european space agency

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Rocket Report: SpaceX to make its own propellant; China’s largest launch pad

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United Launch Alliance begins stacking its third Vulcan rocket for the second time.

Visitors walk by models of a Long March 10 rocket, lunar lander, and crew spacecraft during an exhibition on February 24, 2023 in Beijing, China. Credit: Hou Yu/China News Service/VCG via Getty Images

Welcome to Edition 8.02 of the Rocket Report! It’s worth taking a moment to recognize an important anniversary in the history of human spaceflight next week. Fifty years ago, on July 15, 1975, NASA launched a three-man crew on an Apollo spacecraft from Florida and two Russian cosmonauts took off from Kazakhstan, on course to link up in low-Earth orbit two days later. This was the first joint US-Russian human spaceflight mission, laying the foundation for a strained but enduring partnership on the International Space Station. Operations on the ISS are due to wind down in 2030, and the two nations have no serious prospects to continue any partnership in space after decommissioning the station.

As always, we welcome reader submissions. If you don’t want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets, as well as a quick look ahead at the next three launches on the calendar.

Sizing up Europe’s launch challengers. The European Space Agency has selected five launch startups to become eligible for up to 169 million euros ($198 million) in funding to develop alternatives to Arianespace, the continent’s incumbent launch service provider, Ars reports. The five small launch companies ESA selected are Isar Aerospace, MaiaSpace, Rocket Factory Augsburg, PLD Space, and Orbex. Only one of these companies, Isar Aerospace, has attempted to launch a rocket into orbit. Isar’s Spectrum rocket failed moments after liftoff from Norway on a test flight in March. None of these companies is guaranteed an ESA contract or funding. Over the next several months, ESA and the five launch companies will negotiate with European governments for funding leading up to ESA’s ministerial council meeting in November, when ESA member states will set the agency’s budget for at least the next two years. Only then will ESA be ready to sign binding agreements.

Let’s rank ’em … Ars Technica’s space reporters ranked the five selectees for the European Launcher Challenge in order from most likely to least likely to reach orbit. We put Munich-based Isar Aerospace, the most well-funded of the group, at the top of the list after attempting its first orbital launch earlier this year. Paris-based MaiaSpace, backed by ArianeGroup, comes in second, with plans for a partially reusable rocket. Rocket Factory Augsburg, another German company, is in third place after getting close to a launch attempt last year before its first rocket blew up on a test stand. Spanish startup PLD Space is fourth, and Britain’s Orbex rounds out the list. (submitted by EllPeaTea)

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Japan’s Interstellar Technologies rakes in more cash. Interstellar Technologies raised 8.9 billion yen ($61.8 million) to boost the development of its Zero rocket and research and development of satellite systems, Space News reports. The money comes from Japanese financial institutions, venture capital funds, and debt financing. Interstellar previously received funding through agreements with the Japanese government and Toyota, which Interstellar says will add expertise to scale manufacturing of the Zero rocket for “high-frequency, cost-effective launches.” The methane-fueled Zero rocket is designed to deploy a payload of up to 1 metric ton (2,200 pounds) into low-Earth orbit. The unfortunate news from Interstellar’s fundraising announcement is that the company has pushed back the debut flight of the Zero rocket until 2027.

Straight up … Interstellar has aspirations beyond launch vehicles. The company is also developing a satellite communications business, and some of the money raised in the latest investment round will go toward this segment of the company. Interstellar is open about comparing its ambition to that of SpaceX. “On the satellite side, Interstellar is developing communications satellites that benefit from the company’s own launch capabilities,” the company said in a statement. “Backed by Japan’s Ministry of Internal Affairs and Communications and JAXA’s Space Strategy Fund, the company is building a vertically integrated model, similar to SpaceX’s approach with Starlink.”

Korean startup completes second-stage qual testing. South Korean launch services company Innospace says it has taken another step toward the inaugural launch of its Hanbit-Nano rocket by the year’s end with the qualification of the second stage, Aviation Week & Space Technology reports. The second stage uses an in-house-developed 34-kilonewton (7,643-pound-thrust) liquid methane engine. Innospace says the engine achieved a combustion time of 300 seconds, maintaining stability of the fuel and oxidizer supply system, structural integrity, and the launch vehicle integrated control system.

A true micro-launcher … Innospace’s rocket is modest in size and capacity, even among its cohorts in the small launch market. The Hanbit-Nano rocket is designed to launch approximately 200 pounds (90 kilograms) of payload into Sun-synchronous orbit. “With the success of this second stage engine certification test, we have completed the development of the upper stage of the Hanbit-Nano launch vehicle,” said Kim Soo-jong, CEO of Innospace. “This is a very symbolic and meaningful technological achievement that demonstrates the technological prowess and test operation capabilities that Innospace has accumulated over a long period of time, while also showing that we have entered the final stage for commercial launch. Currently, all executives and staff are doing their best to successfully complete the first stage certification test, which is the final gateway for launch, and we will make every effort to prepare for a smooth commercial launch in the second half of the year.”

Two companies forge unlikely alliance in Dubai. Two German entrepreneurs have joined forces with a team of Russian expats steeped in space history to design a rocket using computational AI models, Payload reports. The “strategic partnership” is between LEAP 71, an AI-enabled design startup, and Aspire Space, a company founded by the son of a Soviet engineer who was in charge of launching Zenit rockets from the Baikonur Cosmodrome in Kazakhstan in the 1980s. The companies will base their operations in Dubai. The unlikely pairing aims to develop a new large reusable launch vehicle capable of delivering up to 15 metric tons to low-Earth orbit. Aspire Space is a particularly interesting company if you’re a space history enthusiast. Apart from the connections of Aspire’s founder to Soviet space history, Aspire’s chief technology officer, Sergey Sopov, started his career at Baikonur working on the Energia heavy-lift rocket and Buran space shuttle, before becoming an executive at Sea Launch later in his career.

Trust the computer … It’s easy to be skeptical about this project, but it has attracted an interesting group of people. LEAP 71 has just two employees—its two German co-founders—but boasts lofty ambitions and calls itself a “pioneer in AI-driven engineering.” As part of the agreement with Aspire Space, LEAP 71 will use a proprietary software program called Noyron to design the entire propulsion stack for Aspire’s rockets. The company says its AI-enabled design approach for Aspire’s 450,000-pound-thrust engine will cut in half the time it took other rocket companies to begin test-firing a new engine of similar size. Rudenko forecasts Aspire’s entire project, including a launcher, reusable spacecraft, and ground infrastructure to support it all, will cost more than $1 billion. So far, the project is self-funded, Rudenko told Payload. (submitted by Lin Kayser)

Russia launches ISS resupply freighter. A Russian Progress supply ship launched July 3 from the Baikonur Cosmodrome in Kazakhstan atop a Soyuz-2.1a rocket, NASASpaceflight reports. Packed with 5,787 pounds (2,625 kilograms) of cargo and fuel, the Progress MS-31 spacecraft glided to an automated docking at the International Space Station two days later. The Russian cosmonauts living aboard the ISS will unpack the supplies carried inside the Progress craft’s pressurized compartment. This was the eighth orbital launch of the year by a Russian rocket, continuing a downward trend in launch activity for the Russian space program in recent years.

Celebrating a golden anniversary … The Soyuz rocket that launched Progress MS-31 was painted an unusual blue and white scheme, as it was originally intended for a commercial launch that was likely canceled after Russia’s invasion of Ukraine. It also sported a logo commemorating the 50th anniversary of the Apollo-Soyuz mission in July 1975.

Chinese rocket moves closer to first launch. Chinese commercial launch firm Orienspace is aiming for a late 2025 debut of its Gravity-2 rocket following a recent first-stage engine hot fire test, Space News reports. The “three-in-one” hot fire test verified the performance of the Gravity-2 rocket’s first stage engine, servo mechanisms, and valves that regulate the flow of propellants into the engine, according to a press release from Orienspace. The Gravity-2 rocket’s recoverable and reusable first stage will be powered by nine of these kerosene-fueled engines. The recent hot fire test “lays a solid foundation” for future tests leading up to the Gravity-2’s inaugural flight.

Extra medium … Orienspace’s first rocket, the solid-fueled Gravity-1, completed its first successful flight last year to place multiple small satellites into orbit. Gravity-2 is a much larger vehicle, standing 230 feet (70 meters) tall, the same height as SpaceX’s Falcon 9 rocket. Orienspace’s new rocket will fly in a core-only configuration or with the assistance of two solid rocket boosters. An infographic released by Orienspace in conjunction with the recent engine hot fire test indicates the Gravity-2 rocket will be capable of hauling up to 21.5 metric tons (47,400 pounds) of cargo into low-Earth orbit, placing its performance near the upper limit of medium-lift launchers.

Senator calls out Texas for trying to steal space shuttle. A political effort to remove space shuttle Discovery from the Smithsonian and place it on display in Texas encountered some pushback on Thursday, as a US senator questioned the expense of carrying out what he described as a theft, Ars reports. “This is not a transfer. It’s a heist,” said Sen. Dick Durbin (D-Ill.) during a budget markup hearing before the Senate Appropriations Committee. “A heist by Texas because they lost a competition 12 years ago.” In April, Republican Sens. John Cornyn and Ted Cruz, both representing Texas, introduced the “Bring the Space Shuttle Home Act” that called for Discovery to be relocated from the National Air and Space Museum’s Steven F. Udvar-Hazy Center in northern Virginia and displayed at Space Center Houston. They then inserted an $85 million provision for the shuttle relocation into the Senate version of the “One Big Beautiful Bill,” which, to comply with Senate rules, was more vaguely worded but was meant to achieve the same goal. That bill was enacted on July 4, when President Donald Trump signed it into law.

Dollar signs … As ridiculous as it is to imagine spending $85 million on moving a space shuttle from one museum to another, it’ll actually cost a lot more to do it safely. Citing research by NASA and the Smithsonian, Durbin said that the total was closer to $305 million, and that did not include the estimated $178 million needed to build a facility to house and display Discovery once it was in Houston. Furthermore, it was unclear if Congress even has the right to remove an artifact, let alone a space shuttle, from the Smithsonian’s collection. The Washington, DC, institution, which serves as a trust instrumentality of the US, maintains that it owns Discovery. The paperwork signed by NASA in 2012 transferred “all rights, interest, title, and ownership” for the spacecraft to the Smithsonian. “This will be the first time ever in the history of the Smithsonian someone has taken one of their displays and forcibly taken possession of it. What are we doing here? They don’t have the right in Texas to claim this,” said Durbin.

Starbase keeps getting bigger. Cameron County, Texas, has given SpaceX the green light to build an air separator facility, which will be located less than 300 feet from the region’s sand dunes, frustrating locals concerned about the impact on vegetation and wildlife, the Texas Tribune reports. The commissioners voted 3–1 to give Elon Musk’s rocket company a beachfront construction certificate and dune protection permit, allowing the company to build a facility to produce gases needed for Starship launches. The factory will separate air into nitrogen and oxygen. SpaceX uses liquid oxygen as a propellant and liquid nitrogen for testing and operations.

Saving the roads … By having the facility on site, SpaceX hopes to make the delivery of those gases more efficient by eliminating the need to have dozens of trucks deliver them from Brownsville. The company says they need more than 200 trucks of liquid nitrogen and oxygen delivered for each launch, a SpaceX engineer told the county during a meeting last week. With their application, SpaceX submitted a plan to mitigate expected negative effects on 865 square feet of dune vegetation and 20 cubic yards of dunes, as well as compensate for expected permanent impacts to 7,735 square feet of dune vegetation and 465 cubic yards of dunes. While the project will be built on property owned by SpaceX, the county holds the authority to manage the construction that affects Boca Chica’s dunes.

ULA is stacking its third Vulcan rocket. A little more than a week after its most recent Atlas V rocket launch, United Launch Alliance rolled a Vulcan booster to the Vertical Integration Facility at Cape Canaveral Space Force Station in Florida on July 2 to begin stacking its first post-certification Vulcan rocket, Spaceflight Now reports. The operation, referred to by ULA as Launch Vehicle on Stand (LVOS), is the first major milestone toward the launch of the third Vulcan rocket. The upcoming launch will be the first operational flight of ULA’s new rocket with a pair of US military payloads, following two certification flights in 2024.

For the second time … This is the second time that this particular Vulcan booster was brought to Space Launch Complex 41 in anticipation of a launch campaign. It was previously readied in late October of last year in support of the USSF-106 mission, the Space Force’s designation for the first national security launch to use the Vulcan rocket. However, plans changed as the process of certifying Vulcan to fly government payloads took longer than expected, and ULA pivoted to launch two Atlas V rockets on commercial missions from the same pad before switching back to Vulcan launch preps.

Progress report on China’s Moon rocket. China’s self-imposed deadline of landing astronauts on the Moon by 2030 is now just five years away, and we’re starting to see some tangible progress. Construction of the launch pad for the Long March 10 rocket, the massive vehicle China will use to launch its first crews toward the Moon, is well along at the Wenchang Space Launch Site on Hainan Island. An image shared on the Chinese social media platform Weibo, and then reposted on X, shows the Long March 10’s launch tower near its final height. A mobile launch platform presumably for the Long March 10 is under construction nearby.

Super heavy … The Long March 10 will be China’s most powerful rocket to date, with the ability to dispatch 27 metric tons of payload toward the Moon, a number comparable to NASA’s Space Launch System. Designed for partial reusability, the Long March 10 will use an all-liquid propulsion system and stand more than 92 meters (300 feet) tall. The rocket will launch Chinese astronauts inside the nation’s next-generation Mengzhou crew capsule, along with a lunar lander to transport crew members from lunar orbit to the surface of the Moon using an architecture similar to NASA’s Apollo program.

Next three launches

July 11: Electron | JAKE 4 | Wallops Flight Facility, Virginia | 23: 45 UTC

July 13: Falcon 9 | Dror 1 | Cape Canaveral Space Force Station, Florida | 04: 31 UTC

July 14: Falcon 9 | Starlink 15-2 | Vandenberg Space Force Base, California | 02: 27 UTC

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Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

Rocket Report: SpaceX to make its own propellant; China’s largest launch pad Read More »

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Sizing up the 5 companies selected for Europe’s launcher challenge

Europe, european space agency, isar aerospace, launch, MaiaSpace, orbex, pld space, rocket factory Augsburg, Science, Space / /

The European Space Agency has selected five launch startups to become eligible for up to 169 million euros ($198 million) in funding to develop alternatives to Arianespace, the continent’s incumbent launch service provider.

The five companies ESA selected are Isar Aerospace, MaiaSpace, Rocket Factory Augsburg, PLD Space, and Orbex. Only one of these companies, Isar Aerospace, has attempted to launch a rocket into orbit. Isar’s Spectrum rocket failed moments after liftoff from Norway on a test flight in March.

None of these companies is guaranteed an ESA contract or funding. Over the next several months, the European Space Agency and the five launch companies will negotiate with European governments for funding leading up to ESA’s ministerial council meeting in November, when ESA member states will set the agency’s budget for at least the next two years. Only then will ESA be ready to sign binding agreements.

In a press release, ESA referred to the five companies as “preselected challengers” in a competition for ESA support in the form of launch contracts and an ESA-sponsored demonstration to showcase upgraded launch vehicles to heave heavier payloads into orbit. So far, all five of the challengers are focusing on small rockets.

Earlier this year, ESA released a request for proposals to European industry for bids to compete in the European Launch Challenge. ESA received 12 proposals from European companies and selected five to move on to the next phase of the challenge.

A new way of doing business

In this competition, ESA is eschewing a rule that governs nearly all of the space agency’s other programs. This policy, known as geographic return, guarantees industrial contracts to ESA member states commensurate with the level of money they put into each project. The most obvious example of this is Europe’s Ariane rocket family, whose development was primarily funded by France, followed by Germany in second position. Therefore, the Ariane 6 rocket’s core stage and engines are built in France, and its upper stage is manufactured in Germany.

Sizing up the 5 companies selected for Europe’s launcher challenge Read More »

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Rocket Report: New delay for Europe’s reusable rocket; SpaceX moves in at SLC-37

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Canada is the only G7 nation without a launch program. Quebec wants to do something about that.

This graphic illustrates the elliptical shape of a geosynchronous transfer orbit in green, and the circular shape of a geosynchronous orbit in blue. In a first, SpaceX recently de-orbited a Falcon 9 upper stage from GTO after deploying a communications satellite. Credit: European Space Agency

Welcome to Edition 7.48 of the Rocket Report! The shock of last week’s public spat between President Donald Trump and SpaceX founder Elon Musk has worn off, and Musk expressed regret for some of his comments going after Trump on social media. Musk also backtracked from his threat to begin decommissioning the Dragon spacecraft, currently the only way for the US government to send people to the International Space Station. Nevertheless, there are many people who think Musk’s attachment to Trump could end up putting the US space program at risk, and I’m not convinced that danger has passed.

As always, we welcome reader submissions. If you don’t want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets, as well as a quick look ahead at the next three launches on the calendar.

Quebec invests in small launch company. The government of Quebec will invest CA$10 million ($7.3 million) into a Montreal-area company that is developing a system to launch small satellites into space, The Canadian Press reports. Quebec Premier François Legault announced the investment into Reaction Dynamics at the company’s facility in Longueuil, a Montreal suburb. The province’s economy minister, Christine Fréchette, said the investment will allow the company to begin launching microsatellites into orbit from Canada as early as 2027.

Joining its peers … Canada is the only G7 nation without a domestic satellite launch capability, whether it’s through an independent national or commercial program or through membership in the European Space Agency, which funds its own rockets. The Canadian Space Agency has long eschewed any significant spending on developing a Canadian satellite launcher, and a handful of commercial launch startups in Canada haven’t gotten very far. Reaction Dynamics was founded in 2017 by Bachar Elzein, formerly a researcher in multiphase and reactive flows at École Polytechnique de Montréal, where he specialized in propulsion and combustion dynamics. Reaction Dynamic plans to launch its first suborbital rocket later this year, before attempting an orbital flight with its Aurora rocket as soon as 2027. (submitted by Joey S-IVB)

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Another year, another delay for Themis. The European Space Agency’s Themis program has suffered another setback, with the inaugural flight of its reusable booster demonstrator now all but certain to slip to 2026, European Spaceflight reports. It has been nearly six years since the European Space Agency kicked off the Themis program to develop and mature key technologies for future reusable rocket stages. Themis is analogous to SpaceX’s Grasshopper reusable rocket prototype tested more than a decade ago, with progressively higher hop tests to demonstrate vertical takeoff and vertical landing techniques. When the program started, an initial hop test of the first Themis demonstrator was expected to take place in 2022.

Tethered to terra firma … ArianeGroup, which manufactures Europe’s Ariane rockets, is leading the Themis program under contract to ESA, which recently committed an additional 230 million euros ($266 million) to the effort. This money is slated to go toward the development of a single-engine variant of the Themis program, continued development of the rocket’s methane-fueled engine, and upgrades to a test stand at ArianeGroup’s propulsion facility in Vernon, France. Two months ago, an official update on the Themis program suggested the first Themis launch campaign would begin before the end of the year. Citing sources close to the program, European Spaceflight reports the first Themis integration tests at the Esrange Space Center in Sweden are now almost certain to slip from late 2025 to 2026.

French startup tests a novel rocket engine. While Europe’s large government-backed rocket initiatives face delays, the continent’s space industry startups are moving forward on their own. One of these companies, a French startup named Alpha Impulsion, recently completed a short test-firing of an autophage rocket engine, European Spaceflight reports. These aren’t your normal rocket engines that burn conventional kerosene, methane, or hydrogen fuel. An autophage engine literally consumes itself as it burns, using heat from the combustion process to melt its plastic fuselage and feed the molten plastic into the combustion chamber in a controlled manner. Alpha Impulsion called the May 27 ground firing a successful test of the “largest autophage rocket engine in the world.”

So, why hasn’t this been done before? … The concept of a self-consuming rocket engine sounds like an idea that’s so crazy it just might work. But the idea remained conceptual from when it was first patented in 1938 until an autophage engine was fired in a controlled manner for the first time in 2018. The autophage design offers several advantages, including its relative simplicity compared to the complex plumbing of liquid and hybrid rockets. But there are serious challenges associated with autophage engines, including how to feed molten fuel into the combustion chamber and how to scale it up to be large enough to fly on a viable rocket. (submitted by trimeta and EllPeaTea)

Rocket trouble delays launch of private crew mission. A propellant leak in a Falcon 9 booster delayed the launch of a fourth Axiom Space private astronaut mission to the International Space Station this week, Space News reports. SpaceX announced the delay Tuesday, saying it needed more time to fix a liquid oxygen leak found in the Falcon 9 booster during inspections following a static-fire test Sunday. “Once complete–and pending Range availability–we will share a new launch date,” the company stated. The Ax-4 mission will ferry four commercial astronauts, led by retired NASA commander Peggy Whitson, aboard a Dragon spacecraft to the ISS for an approximately 14-day stay. Whitson will be joined by crewmates from India, Poland, and Hungary.

Another problem, too … While SpaceX engineers worked on resolving the propellant leak on the ground, a leak of another kind in orbit forced officials to order a longer delay to the Ax-4 mission. In a statement Thursday, NASA said it is working with the Russian space agency to understand a “new pressure signature” in the space station’s Russian service module. For several years, ground teams have monitored a slow air leak in the aft part of the service module, and NASA officials have identified it as a safety risk. NASA’s statement on the matter was vague, only saying that cosmonauts on the station recently inspected the module’s interior surfaces and sealed additional “areas of interest.” The segment is now holding pressure, according to NASA. (submitted by EllPeaTea)

SpaceX tries something new with Falcon 9. With nearly 500 launches under its belt, SpaceX’s Falcon 9 rocket isn’t often up to new tricks. But the company tried something new following a launch on June 7 with a radio broadcasting satellite for SiriusXM. The Falcon 9’s upper stage placed the SXM-10 satellite into an elongated, high-altitude transfer orbit, as is typical for payloads destined to operate in geosynchronous orbit more than 22,000 miles (nearly 36,000 kilometers) over the equator. When a rocket releases a satellite in this type of high-energy orbit, the upper stage has usually burned almost all of its propellant, leaving little fuel to steer itself back into Earth’s atmosphere for a destructive reentry. This means these upper stages often remain in space for decades, becoming a piece of space junk that transits across the orbits of many other satellites.

Now, a solution … SpaceX usually deorbits rockets after they deploy payloads like Starlink satellites into low-Earth orbit, but deorbiting a rocket from a much higher geosynchronous transfer orbit is a different matter. “Last week, SpaceX successfully completed a controlled deorbit of the SiriusXM-10 upper stage after GTO payload deployment,” wrote Jon Edwards, SpaceX’s vice president of Falcon and Dragon programs. “While we routinely do controlled deorbits for LEO stages (e.g., Starlink), deorbiting from GTO is extremely difficult due to the high energy needed to alter the orbit, making this a rare and remarkable first for us. This was only made possible due to the hard work and brilliance of the Falcon GNC (guidance, navigation, and control) team and exemplifies SpaceX’s commitment to leading in both space exploration and public safety.”

New Glenn gets a tentative launch date. Five months have passed since Blue Origin’s New Glenn rocket made its mostly successful debut in January. At one point, the company targeted “late spring” for the second launch of the rocket. However, on Monday, Blue Origin’s CEO, Dave Limp, acknowledged on social media that the rocket’s next flight will now no longer take place until at least August 15, Ars reports. Although he did not say so, this may well be the only other New Glenn launch this year. The mission, with an undesignated payload, will be named “Never Tell Me the Odds,” due to the attempt to land the booster. “One of our key mission objectives will be to land and recover the booster,” Limp wrote. “This will take a little bit of luck and a lot of excellent execution. We’re on track to produce eight GS2s [second stages] this year, and the one we’ll fly on this second mission was hot-fired in April.”

Falling short … Before 2025 began, Limp set expectations alongside Blue Origin founder Jeff Bezos: New Glenn would launch eight times this year. That’s not going to happen. It’s common for launch companies to take a while ramping up the flight rate for a new rocket, but Bezos told Ars in January that his priority for Blue Origin this year was to hit a higher cadence with New Glenn. Elon Musk’s rift with President Donald Trump could open a pathway for Blue Origin to capture more government business if the New Glenn rocket is able to establish a reliable track record. Meanwhile, Limp told Blue Origin employees last month that Jarrett Jones, the manager running the New Glenn program, is taking a sabbatical. Although it appears Jones’ leave may have been planned, the timing is curious.

Making way for Starship at Cape Canaveral. The US Air Force is moving closer to authorizing SpaceX to move into one of the largest launch pads at Cape Canaveral Space Force Station in Florida, with plans to use the facility for up to 76 launches of the company’s Starship rocket each year, Ars reports. A draft Environmental Impact Statement (EIS) released by the Department of the Air Force, which includes the Space Force, found SpaceX’s planned use of Space Launch Complex 37 (SLC-37) at Cape Canaveral would have no significant negative impacts on local environmental, historical, social, and cultural interests. The Air Force also found SpaceX’s plans at SLC-37 will have no significant impact on the company’s competitors in the launch industry.

Bringing the rumble … SLC-37 was the previous home to United Launch Alliance’s Delta IV rocket, which last flew from the site in April 2024, a couple of months after the military announced SpaceX was interested in using the launch pad. While it doesn’t have a lease for full use of the launch site, SpaceX has secured a “right of limited entry” from the Space Force to begin preparatory work. This included the explosive demolition of the launch pad’s Delta IV-era service towers and lightning masts Thursday, clearing the way for eventual construction of two Starship launch towers inside the perimeter of SLC-37. The new Starship launch towers at SLC-37 will join other properties in SpaceX’s Starship empire, including nearby Launch Complex 39A at NASA’s Kennedy Space Center, and SpaceX’s privately owned facility at Starbase, Texas.

Preps continue for Starship Flight 10. Meanwhile, at Starbase, SpaceX is moving forward with preparations for the next Starship test flight, which could happen as soon as next month following three consecutive flights that fell short of expectations. This next launch will be the 10th full-scale test flight of Starship. Last Friday, June 6, SpaceX test-fired the massive Super Heavy booster designated to launch on Flight 10. All 33 of its Raptor engines ignited on the launch pad in South Texas. This is a new Super Heavy booster. On Flight 9 last month, SpaceX flew a reused Super Heavy booster that launched and was recovered on a flight in January.

FAA signs off on SpaceX investigation … The Federal Aviation Administration said Thursday it has closed the investigation into Starship Flight 8 in March, which spun out of control minutes after liftoff, showering debris along a corridor of ocean near the Bahamas and the Turks and Caicos Islands. “The FAA oversaw and accepted the findings of the SpaceX-led investigation,” an agency spokesperson said. “The final mishap report cites the probable root cause for the loss of the Starship vehicle as a hardware failure in one of the Raptor engines that resulted in inadvertent propellant mixing and ignition. SpaceX identified eight corrective actions to prevent a reoccurrence of the event.” SpaceX implemented the corrective actions prior to Flight 9 last month, when Starship progressed further into its mission before starting to tumble in space. It eventually reentered the atmosphere over the Indian Ocean. The FAA has mandated a fresh investigation into Flight 9, and that inquiry remains open.

Next three launches

June 13: Falcon 9 | Starlink 12-26 | Cape Canaveral Space Force Station, Florida | 15: 21 UTC

June 14: Long March 2D | Unknown Payload | Jiuquan Satellite Launch Center, China | 07: 55 UTC

June 16: Atlas V | Project Kuiper KA-02| Cape Canaveral Space Force Station, Florida | 17: 25 UTC

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

Rocket Report: New delay for Europe’s reusable rocket; SpaceX moves in at SLC-37 Read More »

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Rocket Report: Stoke is stoked; sovereignty is the buzzword in Europe

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“The idea that we will be able to do it through America… I think is very, very doubtful.”

Stoke Space’s Andromeda upper stage engine is hot-fired on a test stand. Credit: Stoke Space

Welcome to Edition 7.37 of the Rocket Report! It’s been interesting to watch how quickly European officials have embraced ensuring they have a space launch capability independent of other countries. A few years ago, European government satellites regularly launched on Russian Soyuz rockets, and more recently on SpaceX Falcon 9 rockets from the United States. Russia is now non grata in European government circles, and the Trump administration is widening the trans-Atlantic rift. European leaders have cited the Trump administration and its close association with Elon Musk, CEO of SpaceX, as prime reasons to support sovereign access to space, a capability currently offered only by Arianespace. If European nations can reform how they treat their commercial space companies, there’s enough ambition, know-how, and money in Europe to foster a competitive launch industry.

As always, we welcome reader submissions. If you don’t want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets as well as a quick look ahead at the next three launches on the calendar.

Isar Aerospace aims for weekend launch. A German startup named Isar Aerospace will try to launch its first rocket Saturday, aiming to become the first in a wave of new European launch companies to reach orbit, Ars reports. The Spectrum rocket consists of two stages, stands about 92 feet (28 meters) tall, and can haul payloads up to 1 metric ton (2,200 pounds) into low-Earth orbit. Based in Munich, Isar was founded by three university graduate students in 2018. Isar scrubbed a launch attempt Monday due to unfavorable winds at the launch site in Norway.

From the Arctic … Notably, this will be the first orbital launch attempt from a launch pad in Western Europe. The French-run Guiana Space Center in South America is the primary spaceport for European rockets. Virgin Orbit staged an airborne launch attempt from an airport in the United Kingdom in 2023, and the Plesetsk Cosmodrome is located in European Russia. The launch site for Isar is named Andøya Spaceport, located about 650 miles (1,050 kilometers) north of Oslo, inside the Arctic Circle. (submitted by EllPeaTea)

A chance for competition in Europe. The European Space Agency is inviting proposals to inject competition into the European launch market, an important step toward fostering a dynamic multiplayer industry officials hope one day will mimic that of the United States, Ars reports. The near-term plan for the European Launcher Challenge is for ESA to select companies for service contracts to transport ESA and other European government payloads to orbit from 2026 through 2030. A second component of the challenge is for companies to perform at least one demonstration of an upgraded launch vehicle by 2028. The competition is open to any European company working in the launch business.

Challenging the status quo … This is a major change from how ESA has historically procured launch services. Arianespace has been the only European launch provider available to ESA and other European institutions for more than 40 years. But there are private companies across Europe at various stages of developing their own small launchers, and potentially larger rockets, in the years ahead. With the European Launcher Challenge, ESA will provide each of the winners up to 169 million euros ($182 million), a significant cash infusion that officials hope will shepherd Europe’s nascent private launch industry toward liftoff. Companies like Isar Aerospace, Rocket Factory Augsburg, MaiaSpace, and PLD Space are among the contenders for ESA contracts.

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Rocket Lab launches eight satellites. Rocket Lab launched eight satellites Wednesday for a German company that is expanding its constellation to detect and track wildfires, Space News reports. An Electron rocket lifted off from New Zealand and completed deploying its payload of eight CubeSats for OroraTech about 55 minutes later, placing them into Sun-synchronous orbits at an altitude of about 341 miles (550 kilometers). This was Rocket Lab’s fifth launch of the year, and the third in less than two weeks.

Fire goggles … OroraTech launched three satellites before this mission, fusing data from those satellites and government missions to detect and track wildfires. The new satellites are designed to fill a gap in coverage in the afternoon, a peak time for wildfire formation and spread. OroraTech plans to launch eight more satellites later this year. Wildfire monitoring from space is becoming a new application for satellite technology. Last month, OroraTech partnered with Spire for a contract to build a CubeSat constellation called WildFireSat for the Canadian Space Agency. Google is backing FireSat, another constellation of more than 50 satellites to be deployed in the coming years to detect and track wildfires. (submitted by EllPeaTea)

Should Britain have a sovereign launch capability? A UK House of Lords special inquiry committee has heard from industry experts on the importance of fostering a sovereign launch capability, European Spaceflight reports. On Monday, witnesses from the UK space industry testified that the nation shouldn’t rely on others, particularly the United States, to put satellites into orbit. “The idea that we will be able to do it through America… certainly in today’s, you know, the last 50 days, I think is very, very doubtful. The UK needs access to space,” said Scott Hammond, deputy CEO of SaxaVord Spaceport in Scotland.

Looking inward … A representative from one of the most promising UK launch startups agreed. “Most people who are looking to launch are beholden to the United States solutions or services that are there,” said Alan Thompson, head of government affairs at Skyrora. “Without having our own home-based or UK-based service provider, we risk not having that voice and not being able to undertake all these experiments or be able to manifest ourselves better in space.” The UK is the only nation to abandon an independent launch capability after putting a satellite into orbit. The British government canceled the Black Arrow rocket in the early 1970s, citing financial reasons. A handful of companies, including Skyrora, is working to restore the orbital launch business to the UK.

This rocket engine CEO faces some salacious allegations. The Independent published what it described as an exclusive report Monday describing a lawsuit filed against the CEO of RocketStar, a New York-based company that says its mission is “improving upon the engines that power us to the stars.” Christopher Craddock is accused of plundering investor funds to underwrite pricey jaunts to Europe, jewelry for his wife, child support payments, and, according to the company’s largest investor, “airline tickets for international call girls to join him for clandestine weekends in Miami,” The Independent reports. Craddock established RocketStar in 2014 after financial regulators barred him from working on Wall Street over a raft of alleged violations.

Go big or go home … The $6 million lawsuit filed by former CEO Michael Mojtahedi alleges RocketStar “is nothing more than a Ponzi scheme… [that] has been predicated on Craddock’s ability to con new people each time the company has run out of money.” On its website, RocketStar says its work focuses on aerospike rocket engines and a “FireStar Fusion Drive, the world’s first electric propulsion device enhanced with nuclear fusion.” These are tantalizing technologies that have proven elusive for other rocket companies. RocketStar’s attorney told The Independent: “The company denies the allegations and looks forward to vindicating itself in court.”

Another record for SpaceX. Last Thursday, SpaceX launched a batch of clandestine SpaceX-built surveillance satellites for the National Reconnaissance Office from Vandenberg Space Force Base in California, Spaceflight Now reports. This was the latest in a series of flights populating the NRO’s constellation of low-Earth orbit reconnaissance satellites. What was unique about this mission was its use of a Falcon 9 first stage booster that flew to space just nine days prior with a NASA astronomy satellite. The successful launch broke the record for the shortest span between flights of the same Falcon 9 booster, besting a 13.5-day turnaround in November 2024.

A mind-boggling number of launches … This flight also marked the 450th launch of a Falcon 9 rocket since its debut in 2010, and the 139th within a 365-day period, despite suffering its first mission failure in nearly 10 years and a handful of other glitches. SpaceX’s launch pace is unprecedented in the history of the space industry. No one else is even close. In the last Rocket Report I authored, I wrote that SpaceX’s steamroller no longer seems to be rolling downhill. That may be the case as the growth in the Falcon 9 launch cadence has slowed, but it’s hard for me to see anyone else matching SpaceX’s launch rate until at least the 2030s.

Rocket Lab and Stoke Space find an on-ramp. Space Systems Command announced Thursday that it selected Rocket Lab and Stoke Space to join the Space Force’s National Security Space Launch (NSSL) program. The contracts have a maximum value of $5.6 billion, and the Space Force will dole out “task orders” for individual missions as they near launch. Rocket Lab and Stoke Space join SpaceX, ULA, and Blue Origin as eligible launch providers for lower-priority national security satellites, a segment of missions known as Phase 3 Lane 1 in the parlance of the Space Force. For these missions, the Space Force won’t require certification of the rockets, as the military does for higher-value missions in the so-called “Lane 2” segment. However, Rocket Lab and Stoke Space must complete at least one successful flight of their new Neutron and Nova rockets before they are cleared to launch national security payloads.

Stoked at Stoke … This is a big win for Rocket Lab and Stoke. For Rocket Lab, it bolsters the business case for the medium-class Neutron rocket it is developing for flights from Wallops Island, Virginia. Neutron will be partially reusable with a recoverable first stage. But Rocket Lab already has a proven track record with its smaller Electron launch vehicle. Stoke hasn’t launched anything, and it has lofty ambitions for a fully reusable two-stage rocket called Nova. This is a huge vote of confidence in Stoke. When the Space Force released its invitation for an on-ramp to the NSSL program last year, it said bidders must show a “credible plan for a first launch by December 2025.” Smart money is that neither company will launch its rockets by the end of this year, but I’d love to be proven wrong.

Falcon 9 deploys spy satellite. Monday afternoon, a SpaceX Falcon 9 took flight from Florida’s Space Coast and delivered a national security payload designed, built, and operated by the National Reconnaissance Office into orbit, Florida Today reports. Like almost all NRO missions, details about the payload are classified. The mission codename was NROL-69, and the launch came three-and-a-half days after SpaceX launched another NRO mission from California. While we have some idea of what SpaceX launched from California last week, the payload for the NROL-69 mission is a mystery.

Space sleuthing … There’s an online community of dedicated skywatchers who regularly track satellites as they sail overhead around dawn and dusk. The US government doesn’t publish the exact orbital parameters for its classified spy satellites (they used to), but civilian trackers coordinate with one another, and through a series of observations, they can produce a pretty good estimate of a spacecraft’s orbit. Marco Langbroek, a Dutch archeologist and university lecturer on space situational awareness, is one of the best at this, using publicly available information about the flight path of a launch to estimate when the satellite will fly overhead. He and three other observers in Europe managed to locate the NROL-69 payload just two days after the launch, plotting the object in an orbit between 700 and 1,500 kilometers at an inclination of 64.1 degrees to the equator. Analysts speculated this mission might carry a pair of naval surveillance spacecraft, but this orbit doesn’t match up well with any known constellations of NRO satellites.

NASA continues with Artemis II preps. Late Saturday night, technicians at Kennedy Space Center in Florida moved the core stage for NASA’s second Space Launch System rocket into position between the vehicle’s two solid-fueled boosters, Ars reports. Working inside the iconic 52-story-tall Vehicle Assembly Building, ground teams used heavy-duty cranes to first lift the butterscotch orange core stage from its cradle, then rotate it to a vertical orientation and lift it into a high bay, where it was lowered into position on a mobile launch platform. The 212-foot-tall (65-meter) core stage is the largest single hardware element for the Artemis II mission, which will send a team of four astronauts around the far side of the Moon and back to Earth as soon as next year.

Looking like a go … With this milestone, the slow march toward launch continues. A few months ago, some well-informed people in the space community thought there was a real possibility the Trump administration could quickly cancel NASA’s Space Launch System, the high-priced heavy-lifter designed to send astronauts from the Earth to the Moon. The most immediate possibility involved terminating the SLS program before it flies with Artemis II. This possibility appears to have been overcome by circumstances. The rockets most often mentioned as stand-ins for the Space Launch System—SpaceX’s Starship and Blue Origin’s New Glenn—aren’t likely to be cleared for crew missions for at least several years. The long-term future of the Space Launch System remains in doubt.

Space Force says Vulcan is good to go. The US Space Force on Wednesday announced that it has certified United Launch Alliance’s Vulcan rocket to conduct national security missions, Ars reports. “Assured access to space is a core function of the Space Force and a critical element of national security,” said Brig. Gen. Kristin Panzenhagen, program executive officer for Assured Access to Space, in a news release. “Vulcan certification adds launch capacity, resiliency, and flexibility needed by our nation’s most critical space-based systems.” The formal announcement closes a yearslong process that has seen multiple delays in the development of the Vulcan rocket, as well as two anomalies in recent years that were a further setback to certification.

Multiple options … This certification allows ULA’s Vulcan to launch the military’s most sensitive national security missions, a separate lot from those Rocket Lab and Stoke Space are now eligible for (as we report in a separate Rocket Report entry). It elevates Vulcan to launch these missions alongside SpaceX’s Falcon 9 and Falcon Heavy rockets. Vulcan will not be the next rocket that the company launches, however. First up is one of the company’s remaining Atlas V boosters, carrying Project Kuiper broadband satellites for Amazon. This launch could occur in April, although ULA has not set a date. This will be followed by the first Vulcan national security launch, which the Space Force says could occur during the coming “summer.”

Next three launches

March 29: Spectrum | “Going Full Spectrum” | Andøya Spaceport, Norway | 11: 30 UTC

March 29: Long March 7A | Unknown Payload | Wenchang Space Launch Site, China | 16: 05 UTC

March 30: Alpha | LM-400 | Vandenberg Space Force Base, California | 13: 37 UTC

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Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

Rocket Report: Stoke is stoked; sovereignty is the buzzword in Europe Read More »

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ESA finally has a commercial launch strategy, but will member states pay?

Commercial space, Europe, european space agency, launch, Science, Space / /

Late this year, European governments will have the opportunity to pay up or shut up.

The European Space Agency is inviting proposals to inject competition into the European launch market, an important step toward fostering a dynamic multiplayer industry officials hope, one day, will mimic that of the United States.

The near-term plan for the European Launcher Challenge is for ESA to select companies for service contracts to transport ESA and other European government payloads to orbit from 2026 through 2030. A second component of the challenge is for companies to perform at least one demonstration of an upgraded launch vehicle by 2028. The competition is open to any European company working in the launch business.

“What we expect is that these companies will make a step in improving and upgrading their capacity with respect to what they’re presently working on,” said Toni Tolker-Nielsen, ESA’s acting director of space transportation. “In terms of economics and physics, it’s better to have a bigger launcher than a smaller launcher in terms of price per kilogram to orbit.”

“The ultimate goal is, we should be establishing privately developed competitive launch services in Europe, which will allow us to procure launch services in open competition,” Tolker-Nielsen said in an interview with Ars.

From one to many?

ESA and other European institutions currently have just one European provider, Arianespace, to award launch contracts for the continent’s scientific, Earth observation, navigation, and military satellites. Arianespace operates the Ariane 6 and Vega C rockets. Vega C operations will soon be taken over by Italian aerospace company Avio. Both rockets were developed with ESA funding.

The launcher challenge is modeled on NASA’s use of commercial contracting methods beginning nearly 20 years ago with the agency’s commercial cargo program, which kickstarted the development of SpaceX’s Dragon and Northrop Grumman’s Cygnus resupply freighters for the International Space Station. NASA later applied the same model to commercial crew, and most recently for commercial lunar landers.

Uncharacteristically for ESA, the agency is taking a hands-off approach for the launcher challenge. One of the few major requirements is that the winners should offer a “European launch service” that flies from European territory, which includes the French-run Guiana Space Center in South America.

Europe’s second Ariane 6 rocket lifted off March 6 with a French military spy satellite. Credit: European Space Agency

“We are trying something different, where they are completely free to organize themselves,” Tolker-Nielsen said. “We are not pushing anything. We are in a complete service-oriented model here. That’s the principal difference between the new approach and the old approach.”

ESA also isn’t setting requirements on launcher performance, reusability, or the exact number of companies it will select in the challenge. But ESA would like to limit the number of challengers “to a minimum” to ensure the agency’s support is meaningful, without spreading its funding too thin, Tolker-Nielsen said.

“For the ESA-developed launchers, which are Ariane 6 and Vega C, we own the launch system,” Tolker-Nielsen said. “We finished the development, and the deliverables were the launch systems that we own at ESA, and we make it available to an operator—Arianespace, and Avio soon for Vega C—to exploit.”

These ESA-led launcher projects were expensive. The development of Ariane 6 cost European governments more than $4 billion. Ariane 6 is now flying, but none of the up-and-coming European alternatives is operational.

Next steps

It has taken a while to set up the European Launcher Challenge, which won preliminary approval from ESA’s 23 member states at a ministerial-level meeting in 2023. ESA released an “invitation to tender,” soliciting proposals from European launch companies Monday, with submissions due by May 5. This summer, ESA expects to select the top proposals and prepare a funding package for consideration by its member states at the next ministerial meeting in November.

The top factors ESA will consider in this first phase of the challenge are each proposer’s business plan, technical credibility, and financial credibility.

In a statement, ESA said it has allotted up to 169 million euros ($182 million at today’s exchange rates) per challenger. This is significant funding for Europe’s crop of cash-hungry launch startups, each of which has raised no more than a few hundred million euros. But this allotment comes with a catch. ESA’s leaders and the winners of the launch challenge must persuade their home governments to pay up.

Let’s take a moment to compare Europe’s launch industry with that of the United States.

There are multiple viable US commercial launch companies. In the United States, it’s easier to attract venture capital, the government has been a more reliable proponent of commercial spaceflight, and billionaires are part of the launch landscape. SpaceX, led by Elon Musk, dominates the market. Jeff Bezos’s space company, Blue Origin, and United Launch Alliance are also big players with heavy-lift rockets.

Rocket Lab and Firefly Aerospace fly smaller, privately developed launchers. Northrop Grumman’s medium-class launch division is currently in between rockets, although it still occasionally launches small US military satellites on Minotaur rockets derived from decommissioned ICBMs.

Of course, it’s not surprising the sum of US launch companies is higher than in Europe. According to the World Bank, the US economy is about 50 percent larger than the European Union’s. But six American companies with operational orbital rockets, compared to one in Europe today? That is woefully out of proportion.

European officials would like to regain a leading position in the global commercial launch market. With SpaceX’s dominance, that’s a tall hill to climb. At the very least, European politicians don’t want to rely on other countries for access to space. In the last three years, they’ve seen their access to Russian launchers dry up after Russia’s invasion of Ukraine, and after signing a few launch contracts with SpaceX to bridge the gap before the first flight of Ariane 6, they now view the US government and Elon Musk as unreliable partners.

Open your checkbook, please

ESA’s governance structure isn’t favorable for taking quick action. On one hand, ESA member states approve the agency’s budget in multiyear increments, giving its projects a sense of stability over time. However, it takes time to get new projects approved, and ESA’s member states expect to receive benefits—jobs, investment, and infrastructure—commensurate with their spending on European space programs. This policy is known as geographical return, or geo-return.

For example, France has placed a high strategic importance on fielding an independent European launch capability for more than 60 years. The administration of French President Charles de Gaulle made this determination during the Cold War, around the same time he decided France should have a nuclear deterrent fully independent of the United States and NATO.

In order to match this policy, France has been more willing than other European nations to invest in launchers. This means the Ariane rocket family, developed and funded through ESA contracts, has been largely a French enterprise since the first Ariane launch in 1979.

This model is becoming antiquated in the era of commercial spaceflight. Startups across Europe, primarily in France, Germany, the United Kingdom, and Spain, are developing small launchers designed to carry up to 1.5 metric tons of payload to low-Earth orbit. This is too small to directly compete with the Ariane 6 rocket, but eventually, these companies would like to develop larger launchers.

Some European officials, including the former head of the French space agency, blamed geo-return as a reason the Ariane 6 rocket missed its price target.

Toni Tolker-Nielsen, ESA’s acting director of space transportation, speaks at an event in 2021. Credit: ESA/V. Stefanelli

With the European Launcher Challenge, ESA will experiment with a new funding model for the first time. This new “fair contribution” approach will see ESA leadership put forward a plan to its member states at the next big ministerial conference in November. The space agency will ask the countries that benefit most from the winners of the launcher challenge to provide the bulk of the funding for the challengers’ contracts.

So, let’s say Isar Aerospace, which is set to launch its first rocket as soon as this week, is one of the challenge winners. Isar is headquartered in Munich, and its current launch site is in Norway. In this case, expect ESA to ask the governments of Germany and Norway to contribute the most money to pay for Isar’s contract.

MaiaSpace, a French subsidiary of ArianeGroup, the parent company of Arianespace, is also a contender in the launcher challenge. MaiaSpace plans to launch from French Guiana. Therefore, if MaiaSpace gets a contract, France would be on the hook for the lion’s share of the deal’s funding.

Tolker-Nielsen said he anticipates a “number” of the launch challengers will win the backing of their home countries in November, but “maybe not all.”

“So, first there is this criteria that they have to be eligible, and then they have to be funded as well,” he said. “We don’t want to propose funding for companies that we don’t see as credible.”

Assuming the challengers’ contracts get funded, ESA will then work with the European Commission to assign specific satellites to launch on the new commercial rockets.

“The way I look at this is we are not going to choose winners,” Tolker-Nielsen said. “The challenge is not the competition we are doing right now. It is to deliver on the contract. That’s the challenge.”

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

ESA finally has a commercial launch strategy, but will member states pay? Read More »

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This launcher is about to displace the V-2 as Germany’s largest rocket

Commercial space, Europe, european space agency, germany, isar aerospace, launch, Norway, Science, Space / /

Isar Aerospace’s first Spectrum rocket will launch from Andøya Spaceport in Norway.

Seven years ago, three classmates at the Technical University of Munich believed their student engineering project might hold some promise in the private sector.

At the time, Daniel Metzler led a team of 40 students working on rocket engines and launching sounding rockets. Josef Fleischmann was on the team that won the first SpaceX Hyperloop competition. Together with another classmate, Markus Brandl, they crafted rocket parts in a campus workshop before taking the leap and establishing Isar Aerospace, named for the river running through the Bavarian capital.

Now, Isar’s big moment has arrived. The company’s orbital-class first rocket, named Spectrum, is set to lift off from a shoreline launch pad in Norway as soon as Monday.

The three-hour launch window opens at 12: 30 pm local time in Norway, or 7: 30 am EDT in the United States. “The launch date remains subject to weather, safety and range infrastructure,” Isar said in a statement.

Isar’s Spectrum rocket rolls out to its launch pad in Norway. Credit: Isar Aerospace

Isar said it received a launch license from the Norwegian Civil Aviation Authority on March 14, following the final qualification test on the Spectrum rocket in February to validate its readiness for flight.

Notably, this will be the first orbital launch attempt from a launch pad in Western Europe. The French-run Guiana Space Center in South America is the primary spaceport for European rockets. Virgin Orbit staged an airborne launch attempt from an airport in the United Kingdom in 2023, and the Plesetsk Cosmodrome is located in European Russia.

No guarantees

Success is never assured on the inaugural launch of a new rocket. Isar is the first in a wave of European launch startups to arrive at this point. The company developed the Spectrum rocket with mostly private funding, although Isar received multimillion-euro investments from the European Space Agency, the German government, and the NATO Innovation Fund.

All told, Isar says it has raised more than 400 million euros, or $435 million at today’s currency exchange rate, more than any other European launch startup.

“We are approaching the most important moment of our journey so far, and I would like to thank all our team, partners, customers and investors who have been accompanying and trusting us,” said Daniel Metzler, Isar’s co-founder and CEO, in a statement.

Most privately developed rockets have failed to reach orbit on the first try. Several US launch companies that evolved in a similar mold as Isar—such as Rocket Lab, Firefly Aerospace, and Astra—faltered on the way to orbit on their rockets’ first flights.

“With this mission, Isar Aerospace aims to collect as much data and experience as possible on its in-house-developed launch vehicle. It is the first integrated test of all systems,” said Alexandre Dalloneau, Isar’s vice president of mission and launch operations.

“The test results will feed into the iterations and development of future Spectrum vehicles, which are being built and tested in parallel,” Isar said in a statement.

Look familiar? Isar Aerospace’s Spectrum rocket is powered by nine first-stage engines arranged in an “octaweb” configuration patterned on SpaceX’s Falcon 9 rocket. Credit: Isar Aerospace/Wingmen Media

Europe has struggled to regain its footing after SpaceX took over the dominant position in the global commercial launch market, a segment led for three decades by Europe’s Ariane rocket family before SpaceX proved the reliability of the lower-cost, partially reusable Falcon 9 launcher. The continent’s new Ariane 6 rocket, funded by ESA and built by a consortium owned by multinational firms Airbus and Safran, is more expensive than the Falcon 9 and years behind schedule. It finally debuted last year.

One ton to LEO

Isar’s Spectrum rocket is not as powerful as SpaceX’s Falcon 9 or Arianespace’s Ariane 6. But even SpaceX had to start somewhere. Its small Falcon 1 rocket failed three times before tasting success. Spectrum is somewhat larger and more capable than Falcon 1, with performance in line with Firefly’s Alpha rocket.

The fully assembled Spectrum rocket stands about 92 feet (28 meters) tall and measures more than 6 feet (2 meters) in diameter. The expendable launcher is designed to haul payloads up to 1 metric ton (2,200 pounds) into low-Earth orbit. Spectrum is powered by nine Aquila engines on its first stage, and one engine on the second stage, burning a mixture of propane and liquid oxygen propellants.

There are no customer satellites aboard the first Spectrum test flight. The rocket will climb into a polar orbit from Andøya Spaceport in northern Norway, but Isar hasn’t published a launch timeline or the exact parameters of the target orbit.

While modest in size next to Europe’s Ariane launcher family, Isar’s Spectrum is the largest German rocket since the V-2, the World War II weapon of terror launched by Nazi Germany against targets in Great Britain, Belgium, and other places. In the 80 years since the war, German industry developed a handful of small sounding rockets and manufactured upper stages for Ariane rockets.

But German governments have long shunned spending on launchers at levels commensurate with the nation’s place as a top contributor to ESA. France took the lead in the continent’s postwar rocket industry, providing the lion’s share of funding for Ariane and taking responsibility for building engines and booster stages.

Now, 80 years to the week since the last V-2 launch of World War II, Germany again has a homegrown liquid-fueled rocket on the launch pad. This time, it’s for a much different purpose.

As a first step, Isar and other companies in Europe are vying to inject competition with Arianespace into the European launch market. This will begin with small government-funded satellites that otherwise would have likely launched on rideshare flights by SpaceX or Arianespace.

In 2022, the German space agency (known as DLR) announced the selection of research and demo payloads slated to fly on Spectrum’s second launch. The Norwegian Space Agency revealed a contract earlier this month for Isar to launch a pair of satellites for the country’s Arctic Ocean Surveillance program.

Within the next few days, ESA is expected to release an “invitation to tender” for European industry to submit proposals for the European Launcher Challenge. This summer, ESA will select winners from Europe’s crop of launch startups to demonstrate that their rockets can deliver the agency’s scientific satellites to orbit. This is the first time ESA has experimented with a fully commercial business model, with launch service contracts to private companies. Isar is a leading contender to win the launcher challenge, alongside other European companies like Rocket Factory Augsburg, HyImpulse, MaiaSpace, and others.

Previously, ESA has provided billions of euros to Europe’s big incumbent rocket companies for development of new generations of Ariane rockets. Now, ESA wants to follow the path of NASA, which has used fixed-price service contracts to foster commercial cargo and crew transportation to the International Space Station, and most recently, privately owned landers on the Moon.

“Whatever the outcome, Isar Aerospace’s upcoming Spectrum launch will be historic: the first commercial orbital launch from mainland Europe,” Josef Aschbacher, ESA’s director general, posted on X. “The support and co-funding the European Space Agency has given Isar Aerospace and other launch service provider startups is paying off for increased autonomy in Europe. Wishing Isar Aerospace a great launch day with fair weather and most importantly, that the data they receive from the liftoff will speed next iterations of their rockets.”

Toni Tolker-Nielsen, ESA’s acting director of space transportation, called this moment a “paradigm shift” for Europe’s launcher strategy.

“In the last 40 years, we have had these ESA-developed launchers that we have been relying on,” Tolker-Nielsen told Ars in an interview. “So we started with Ariane 1 up to Ariane 6. Vega C came onboard. And it’s been working like that for the last 40 years. Now, we are moving into in the ’30s, and the next decades, to have privately developed launchers.”

Isar Aerospace’s first Spectrum rocket will lift off from the remote Andøya Spaceport in Norway, a gorgeous location that might be the world’s most picturesque launch site. Nestled on the western coast of an island inside the Arctic Circle, Andøya offers an open path over the Norwegian Sea for rockets to fly north, where they can place satellites into polar orbit.

The spaceport is operated by Andøya Space, a company 90 percent owned by the Norwegian government through the Ministry for Trade, Industry, and Fisheries. Until now, Andøya Spaceport has been used for launches of suborbital sounding rockets.

The geography of Norway permits northerly launches from Andøya Spaceport. Credit: Andøya Space

No better time than now

Isar’s first launch comes amid an abrupt turn in European strategic policy as the continent’s leaders struggle with how to respond to moves by President Donald Trump in his first two months in office. In recent weeks, the Trump administration put European leaders on their heels with sudden policy reversals and unpredictable statements on Ukraine, NATO, and the US government’s long-term backstopping of European security.

Friedrich Merz, set to become Germany’s next chancellor, said last month that Europe should strive to “achieve independence” from the United States. “It is clear that the Americans, at least this part of the Americans, this administration, are largely indifferent to the fate of Europe.”

Last week, Merz shepherded a bill through German parliament to amend the country’s constitution, allowing for a significant increase in German defense spending. The incoming chancellor said the change is “nothing less than the first major step towards a new European defense community.”

The erosion of Europe’s trust in the Trump administration prompted rumors that the US government could trigger a “kill switch” to turn off combat capabilities of F-35 fighter jets sold to US allies. This would have previously seemed like a far-fetched conspiracy theory, but some European officials felt compelled to make statements denying the kill switch reports. Still, the recent turbulence in trans-Atlantic relations has some US allies rethinking their plans to buy more US-made fighter jets and weapons systems.

“Reliable and predictable orders should go to European manufacturers whenever possible,” Merz said.

Robert Habeck, Germany’s vice chancellor and economics minister, tours Isar Aerospace in Ottobrunn, Germany, in 2023. Credit: Marijan Murat/picture alliance via Getty Images

This uncertainty extends to space, where it is most apparent in the launch industry. SpaceX, founded and led by Trump ally Elon Musk, dominates the global commercial launch business. European governments have repeatedly turned to SpaceX to launch multiple defense and scientific satellites over the last several years, while Europe encountered delays with its homegrown Ariane 6 and Vega rockets.

Until 2022, Europe and Russia jointly operated Soyuz rockets from the Guiana Space Center in South America to deploy government and commercial payloads to orbit. The partnership ended with Russia’s invasion of Ukraine.

Europe’s flagship Ariane 5 rocket retired in 2023, a year before its replacement—the Ariane 6—debuted on its first test flight from the Guiana Space Center. The first operational flight of the Ariane 6 delivered a French military spy satellite to orbit March 6. The smaller Vega C rocket successfully launched in December, two years after officials grounded the vehicle due to an in-flight failure.

ESA funded development of the Ariane 6 and Vega C in partnership with ArianeGroup, a joint venture between Airbus and Safran, and the Italian defense contractor Avio.

For the moment, Europe’s launcher program is back on track to provide autonomous access to space, a capability European officials consider a strategic imperative. Philippe Baptiste, France’s minister for research and higher education, said after the Ariane 6 flight earlier this month that the launch was “proof” of European space sovereignty.

“The return of Donald Trump to the White House, with Elon Musk at his side, already has significant consequences on our research partnerships, on our commercial partnerships,” Baptiste said in his remarkably pointed prepared remarks. “If we want to maintain our independence, ensure our security, and preserve our sovereignty, we must equip ourselves with the means for strategic autonomy, and space is an essential part of this.”

The problem? Ariane 6 and Vega C are costly, lack a path to reusability, and aren’t geared to match SpaceX’s blistering launch cadence. If Europe wants autonomous access to space, European taxpayers will have to pay a premium. Isar’s Spectrum also isn’t reusable, but European officials hope competition from new startups will produce fresh launch options, and perhaps stimulate an inspired response from Europe’s entrenched launch companies.

“In today’s geopolitical climate, our first test flight is about much more than a rocket launch: Space is one of the most critical platforms for our security, resilience, and technological advancement,” Metzler said. “In the next days, Isar Aerospace will lay the foundations to regain much needed independent and competitive access to space from Europe.”

Tolker-Nielsen, in charge of ESA’s space transportation division, said this is the first of many steps for Europe to develop a thriving commercial launch sector.

“This launch is a milestone, which is very important,” he said. “It’s the first conclusion of all this work, so I will be looking carefully on that. I cross my fingers that it goes well.”

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Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

This launcher is about to displace the V-2 as Germany’s largest rocket Read More »

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Two European satellites launch on mission to blot out the Sun—for science

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This will all happen nearly 40,000 miles above the Earth, so you won’t need your eclipse glasses.

An infrared view of a test of the Proba-3 mission’s laser ranging system, which will allow two spacecraft to fly in formation with millimeter-scale precision. Credit: ESA – M. Pédoussaut / J. Versluys

Two spacecraft developed by the European Space Agency launched on top of an Indian rocket Thursday, kicking off a mission to test novel formation flying technologies and observe a rarely seen slice of the Sun’s ethereal corona.

ESA’s Proba-3 mission is purely experimental. The satellites are loaded with sophisticated sensors and ranging instruments to allow the two spacecraft to orbit the Earth in lockstep with one another. Proba-3 will attempt to achieve millimeter-scale precision, several orders of magnitude better than the requirements for a spacecraft closing in for docking at the International Space Station.

“In a nutshell, it’s an experiment in space to demonstrate a new concept, a new technology that is technically challenging,” said Damien Galano, Proba-3’s project manager.

The two Proba-3 satellites launched from India at 5: 34 am EST (10: 34 UTC) Thursday, riding a Polar Satellite Launch Vehicle (PSLV). The PSLV released Proba-3 into a stretched-out orbit with a low point of approximately 356 miles (573 kilometers), a high point of 37,632 miles (60,563 kilometers), and an inclination of 59 degrees to the equator.

India’s PSLV accelerates through the speed of sound shortly after liftoff with the Proba-3 mission Thursday. Credit: ISRO

After initial checkouts, the two Proba-3 satellites, each smaller than a compact car, will separate from one another to begin their tech demo experiments early next year. The larger of the two satellites, known as the Coronagraph spacecraft, carries a suite of science instruments to image the Sun’s corona, or outer atmosphere. The smaller spacecraft, named Occulter, hosts navigation sensors and low-impulse thrusters to help it maneuver into position less than 500 feet (150 meters) from its Coronagraph companion.

From the point of view of the Coronagraph spacecraft, this is just the right distance for a 4.6-foot (1.4-meter) disk mounted to Proba-3’s Occulter spacecraft to obscure the surface of the Sun. The occultation will block the Sun’s blinding glare and cast a shadow just 3 inches (8 centimeters) onto the Coronagraph satellite, revealing the wispy, super-heated gases that make up the solar corona.

Why do this?

The corona is normally hidden by the brightness of the Sun and is best observed from Earth during total solar eclipses, but these events only last a few minutes. Scientists devised a way to create artificial eclipses using devices known as coronagraphs, which have flown in space on several previous solar research missions. However, these coronagraphs were placed inside a single instrument on a single spacecraft, limiting their effectiveness due to complications from diffraction or vignetting, where sunlight encroaches around the edge of the occulting disk or misses the imaging detector entirely.

Ideally, scientists would like to place the occulting disk much farther from the camera taking images of the Sun. This would more closely mimic what the human eye sees during a solar eclipse. With Proba-3, ESA will attempt to do just that.

“There was simply no other way of reaching the optical performance Proba-3 requires than by having its occulting disk fly on a separate, carefully controlled spacecraft,” said Joe Zender, ESA’s Proba-3 mission scientist. “Any closer and unwanted stray light would spill over the edges of the disk, limiting our close-up views of the Sun’s surrounding corona.”

But deploying one enormous 150-meter-long spacecraft would be cost-prohibitive. With contributions from 14 member states and Canada, ESA developed the dual-spacecraft Proba-3 mission on a budget of approximately 200 million euros ($210 million) over 10 years. Spain and Belgium, which are not among ESA’s highest-spending member states, funded nearly three-quarters of Proba-3’s cost.

The Proba-3 satellites will use several sensors to keep station roughly 150 meters away from one another, including inter-satellite radio links, satellite navigation receivers, and cameras on the Occulter spacecraft to help determine its relative position by monitoring LEDs on the Coronagraph satellite.

For the most precise navigation, the Occulter satellite will shine a laser toward a reflector on the Coronagraph spacecraft. The laser light bounced back to the Occulter spacecraft will allow it to autonomously and continuously track the range to its companion and send signals to fire cold gas thrusters and make fine adjustments.

The laser will give Proba-3 the ability to control the distance between the two satellites with an error of less than a millimeter—around the thickness of an average fingernail—and hold position for up to six hours, 50 times longer than the maximum duration of a total solar eclipse. Proba-3 will create the eclipses while it is flying farthest from Earth in its nearly 20-hour orbit.

Scientists hope to achieve at least 1,000 hours of artificial totality during Proba-3’s two-year prime mission.

Proba-3’s Occulter spacecraft (top) and Coronagraph spacecraft (bottom) will hold position 150 meters away from one another. Credit: ESA-P. Carril

The corona extends millions of miles from the Sun’s convective surface, with temperatures as hot as 3.5 million degrees Fahrenheit. Still, the corona is easily outshined by the glare from the Sun itself. Scientists say it’s important to study this region to understand how the Sun generates the solar wind and drives geomagnetic storms that can affect the Earth.

NASA’s Parker Solar Probe, well-insulated from the scorching heat, became the first spacecraft to fly through the corona in 2021. It is collecting data on the actual conditions within the Sun’s atmosphere, while a network of other spacecraft monitor solar activity from afar to get the big picture.

Proba-3 is tasked with imaging a normally invisible part of the corona as close as 43,500 miles (70,000 kilometers) above the Sun’s surface. Extreme ultraviolet instruments are capable of observing the part of the corona closest to the Sun, while existing coronagraphs on other satellites are good at seeing the outermost portion of the corona.

“That leaves a significant observing gap, from about 3 solar radii down to 1.1 solar radii, that Proba-3 will be able to fill,” said Andrei Zhukov of the Royal Observatory of Belgium, principal investigator for Proba-3’s coronagraph instrument. “This will make it possible, for example, to follow the evolution of the colossal solar explosions called Coronal Mass Ejections as they rise from the solar surface and the outward acceleration of the solar wind.”

Proba-3’s coronagraph instrument will take images as often as once every two seconds, helping scientists search for small-scale fast-moving plasma waves that might be responsible for driving up the corona’s hellish temperatures. The mission will also hunt for the glow of plasma jets scientists believe have a role in accelerating the solar wind, a cloud of particles streaming away from the Sun at speeds of up to 1.2 million mph (2 million km/hr).

These are two of the core science objectives for the Proba-3 mission. But the project has a deeper purpose of proving two satellites can continually fly in tight formation. This level of precision could meet the exacting demands of future space missions, such as Mars Sample Return and the clearing of space junk from low-Earth orbit, according to ESA.

“Proba-3’s coronal observations will take place as part of a larger in-orbit demonstration of precise formation flying,” said Josef Aschbacher, ESA’s director general. “The best way to prove this new European technology works as intended is to produce novel science data that nobody has ever seen before.

“It is not practical today to fly a single 150-meter-long spacecraft in orbit, but if Proba-3 can indeed achieve an equivalent performance using two small spacecraft, the mission will open up new ways of working in space for the future,” Aschbacher said in a statement. “Imagine multiple small platforms working together as one to form far-seeing virtual telescopes or arrays.”

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Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

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Rocket Report: Australia says yes to the launch; Russia delivers for Iran

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The world’s first wooden satellite arrived at the International Space Station this week.

A Falcon 9 booster fires its engines on SpaceX’s “tripod” test stand in McGregor, Texas. Credit: SpaceX

Welcome to Edition 7.19 of the Rocket Report! Okay, we get it. We received more submissions from our readers on Australia’s approval of a launch permit for Gilmour Space than we’ve received on any other news story in recent memory. Thank you for your submissions as global rocket activity continues apace. We’ll cover Gilmour in more detail as they get closer to launch. There will be no Rocket Report next week as Eric and I join the rest of the Ars team for our 2024 Technicon in New York.

As always, we welcome reader submissions. If you don’t want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets as well as a quick look ahead at the next three launches on the calendar.

Gilmour Space has a permit to fly. Gilmour Space Technologies has been granted a permit to launch its 82-foot-tall (25-meter) orbital rocket from a spaceport in Queensland, Australia. The space company, founded in 2012, had initially planned to lift off in March but was unable to do so without approval from the Australian Space Agency, the Australian Broadcasting Corporation reports. The government approved Gilmour’s launch permit Monday, although the company is still weeks away from flying its three-stage Eris rocket.

A first for Australia … Australia hosted a handful of satellite launches with US and British rockets from 1967 through 1971, but Gilmour’s Eris rocket would become the first all-Australian launch vehicle to reach orbit. The Eris rocket is capable of delivering about 670 pounds (305 kilograms) of payload mass into a Sun-synchronous orbit. Eris will be powered by hybrid rocket engines burning a solid fuel mixed with a liquid oxidizer, making it unique among orbital-class rockets. Gilmour completed a wet dress rehearsal, or practice countdown, with the Eris rocket on the launch pad in Queensland in September. The launch permit becomes active after 30 days, or the first week of December. “We do think we’ve got a good chance of launching at the end of the 30-day period, and we’re going to give it a red hot go,” said Adam Gilmour, the company’s co-founder and CEO. (submitted by Marzipan, mryall, ZygP, Ken the Bin, Spencer Willis, MarkW98, and EllPeaTea)

North Korea tests new missile. North Korea apparently completed a successful test of its most powerful intercontinental ballistic missile on October 31, lofting it nearly 4,800 miles (7,700 kilometers) into space before the projectile fell back to Earth, Ars reports. This solid-fueled, multi-stage missile, named the Hwasong-19, is a new tool in North Korea’s increasingly sophisticated arsenal of weapons. It has enough range—perhaps as much as 9,320 miles (15,000 kilometers), according to Japan’s government—to strike targets anywhere in the United States. It also happens to be one of the largest ICBMs in the world, rivaling the missiles fielded by the world’s more established nuclear powers.

Quid pro quo? … The Hwasong-19 missile test comes as North Korea deploys some 10,000 troops inside Russia to support the country’s war against Ukraine. The budding partnership between Russia and North Korea has evolved for several years. Russian President Vladimir Putin has met with North Korean leader Kim Jong Un on multiple occasions, most recently in Pyongyang in June. This has fueled speculation about what Russia is offering North Korea in exchange for the troops deployed on Russian soil. US and South Korean officials have some thoughts. They said North Korea is likely to ask for technology transfers in diverse areas related to tactical nuclear weapons, ICBMs, and reconnaissance satellites.

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Virgin Galactic is on the hunt for cash. Virgin Galactic is proposing to raise $300 million in additional capital to accelerate production of suborbital spaceplanes and a mothership aircraft the company says can fuel its long-term growth, Space News reports. The company, founded by billionaire Richard Branson, suspended operations of its VSS Unity suborbital spaceplane earlier this year. VSS Unity hit a monthly flight cadence carrying small groups of space tourists and researchers to the edge of space, but it just wasn’t profitable. Now, Virgin Galactic is developing larger Delta-class spaceplanes it says will be easier and cheaper to turn around between flights.

All-in with Delta … Michael Colglazier, Virgin Galactic’s CEO, announced the company’s appetite for fundraising in a quarterly earnings call with investment analysts Wednesday. He said manufacturing of components for Virgin Galactic’s first two Delta-class ships, which the company says it can fund with existing cash, is proceeding on schedule at a factory in Arizona. Virgin Galactic previously said it would use revenue from paying passengers on its first two Delta-class ships to pay for development of future vehicles. Instead, Virgin Galactic now says it wants to raise money to speed up work on the third and fourth Delta-class vehicles, along with a second airplane mothership to carry the spaceplanes aloft before they release and fire into space. (submitted by Ken the Bin and EllPeaTea)

ESA breaks its silence on Themis. The European Space Agency has provided a rare update on the progress of its Themis reusable booster demonstrator project, European Spaceflight reports. ESA is developing the Themis test vehicle for atmospheric flights to fine-tune technologies for a future European reusable rocket capable of vertical takeoffs and vertical landings. Themis started out as a project led by CNES, the French space agency, in 2018. ESA member states signed up to help fund the project in 2019, and the agency awarded ArianeGroup a contract to move forward with Themis in 2020. At the time, the first low-altitude hop test was expected to take place in 2022.

Some slow progress … Now, the first low-altitude hop is scheduled for 2025 from Esrange Space Centre in Sweden, a three-year delay. This week, ESA said engineers have completed testing of the Themis vehicle’s main systems, and assembly of the demonstrator is underway in France. A single methane-fueled Prometheus engine, also developed by ArianeGroup, has been installed on the rocket. Teams are currently adding avionics, computers, electrical systems, and cable harnesses. Themis’ stainless steel propellant tanks have been manufactured, tested, and cleaned and are now ready to be installed on the Themis demonstrator. Then, the rocket will travel by road from France to the test site in Sweden for its initial low-altitude hops. After those flights are complete, officials plan to add two more Prometheus engines to the rocket and ship it to French Guiana for high-altitude test flights. (submitted by Ken the Bin and EllPeaTea)

SpaceX will give the ISS a boost. A Cargo Dragon spacecraft docked to the International Space Station on Tuesday morning, less than a day after lifting off from Florida. As space missions go, this one is fairly routine, ferrying about 6,000 pounds (2,700 kilograms) of cargo and science experiments to the space station. One thing that’s different about this mission is that it delivered to the station a tiny 2 lb (900 g) satellite named LignoSat, the first spacecraft made of wood, for later release outside the research complex. There is one more characteristic of this flight that may prove significant for NASA and the future of the space station, Ars reports. As early as Friday, NASA and SpaceX have scheduled a “reboost and attitude control demonstration,” during which the Dragon spacecraft will use some of the thrusters at the base of the capsule. This is the first time the Dragon spacecraft will be used to move the space station.

Dragon’s breath … Dragon will fire a subset of its 16 Draco thrusters, each with about 90 pounds of thrust, for approximately 12.5 minutes to make a slight adjustment to the orbital trajectory of the roughly 450-ton space station. SpaceX and NASA engineers will analyze the results from the demonstration to determine if Dragon could be used for future space station reboost opportunities. The data will also inform the design of the US Deorbit Vehicle, which SpaceX is developing to perform the maneuvers required to bring the space station back to Earth for a controlled, destructive reentry in the early 2030s. For NASA, demonstrating Dragon’s ability to move the space station will be another step toward breaking free of reliance on Russia, which is currently responsible for providing propulsion to maneuver the orbiting outpost. Northrop Grumman’s Cygnus supply ship also previously demonstrated a reboost capability. (submitted by Ken the Bin and N35t0r)

Russia launches Soyuz in service of Iran. Russia launched a Soyuz rocket Monday carrying two satellites designed to monitor the space weather around Earth and 53 small satellites, including two Iranian ones, Reuters reports. The primary payloads aboard the Soyuz-2.1b rocket were two Ionosfera-M satellites to probe the ionosphere, an outer layer of the atmosphere near the edge of space. Solar activity can alter conditions in the ionosphere, impacting communications and navigation. The two Iranian satellites on this mission were named Kowsar and Hodhod. They will collect high-resolution reconnaissance imagery and support communications for Iran.

A distant third … This was only the 13th orbital launch by Russia this year, trailing far behind the United States and China. We know of two more Soyuz flights planned for later this month, but no more, barring a surprise military launch (which is possible). The projected launch rate puts Russia on pace for its quietest year of launch activity since 1961, the year Yuri Gagarin became the first person to fly in space. A major reason for this decline in launches is the decisions of Western governments and companies to move their payloads off of Russian rockets after the invasion of Ukraine. For example, OneWeb stopped launching on Soyuz in 2022, and the European Space Agency suspended its partnership with Russia to launch Soyuz rockets from French Guiana. (submitted by Ken the Bin)

H3 deploys Japanese national security satellite. Japan launched a defense satellite Monday aimed at speedier military operations and communication on an H3 rocket and successfully placed it into orbit, the Associated Press reports. The Kirameki 3 satellite will use high-speed X-band communication to support Japan’s defense ministry with information and data sharing, and command and control services. The satellite will serve Japanese land, air, and naval forces from its perch in geostationary orbit alongside two other Kirameki communications satellites.

Gaining trust … The H3 is Japan’s new flagship rocket, developed by Mitsubishi Heavy Industries (MHI) and funded by the Japan Aerospace Exploration Agency (JAXA). The launch of Kirameki 3 marked the third consecutive successful launch of the H3 rocket, following a debut flight in March 2023 that failed to reach orbit. This was the first time Japan’s defense ministry put one of its satellites on the H3 rocket. The first two Kirameki satellites launched on a European Ariane 5 and a Japanese H-IIA rocket, which the H3 will replace. (submitted by Ken the Bin, tsunam, and EllPeaTea)

Rocket Lab enters the race for military contracts. Rocket Lab is aiming to chip away at SpaceX’s dominance in military space launch, confirming its bid to compete for Pentagon contracts with its new medium-lift rocket, Neutron, Space News reports. Last month, the Space Force released a request for proposals from launch companies seeking to join the military’s roster of launch providers in the National Security Space Launch (NSSL) program. The Space Force will accept bids for launch providers to “on-ramp” to the NSSL Phase 3 Lane 1 contract, which doles out task orders to launch companies for individual missions. In order to win a task order, a launch provider must be on the Phase 3 Lane 1 contract. Currently, SpaceX, United Launch Alliance, and Blue Origin are the only rocket companies eligible. SpaceX won all of the first round of Lane 1 task orders last month.

Joining the club … The Space Force is accepting additional risk for Lane 1 missions, which largely comprise repeat launches deploying a constellation of missile-tracking and data-relay satellites for the Space Development Agency. A separate class of heavy-lift missions, known as Lane 2, will require rockets to undergo a thorough certification by the Space Force to ensure their reliability. In order for a launch company to join the Lane 1 roster, the Space Force requires bidders to be ready for a first launch by December 2025. Peter Beck, Rocket Lab’s founder and CEO, said he thinks the Neutron rocket will be ready for its first launch by then. Other new medium-lift rockets, such as Firefly Aerospace’s MLV and Relativity’s Terran-R, almost certainly won’t be ready to launch by the end of next year, leaving Rocket Lab as the only company that will potentially join incumbents SpaceX, ULA, and Blue Origin. (submitted by Ken the Bin)

Next Starship flight is just around the corner. Less than a month has passed since the historic fifth flight of SpaceX’s Starship, during which the company caught the booster with mechanical arms back at the launch pad in Texas. Now, another test flight could come as soon as November 18, Ars reports. The improbable but successful recovery of the Starship first stage with “chopsticks” last month, and the on-target splashdown of the Starship upper stage halfway around the world, allowed SpaceX to avoid an anomaly investigation by the Federal Aviation Administration. Thus, the company was able to press ahead on a sixth test flight if it flew a similar profile. And that’s what SpaceX plans to do, albeit with some notable additions to the flight plan.

Around the edges … Perhaps the most significant change to the profile for Flight 6 will be an attempt to reignite a Raptor engine on Starship while it is in space. SpaceX tried to do this on a test flight in March but aborted the burn because the ship’s rolling motion exceeded limits. A successful demonstration of a Raptor engine relight could pave the way for SpaceX to launch Starship into a higher stable orbit around Earth on future test flights. This is required for SpaceX to begin using Starship to launch Starlink Internet satellites and perform in-orbit refueling experiments with two ships docked together. (submitted by EllPeaTea)

China’s version of Starship. China has updated the design of its next-generation heavy-lift rocket, the Long March 9, and it looks almost exactly like a clone of SpaceX’s Starship rocket, Ars reports. The Long March 9 started out as a conventional-looking expendable rocket, then morphed into a launcher with a reusable first stage. Now, the rocket will have a reusable booster and upper stage. The booster will have 30 methane-fueled engines, similar to the number of engines on SpaceX’s Super Heavy booster. The upper stage looks remarkably like Starship, with flaps in similar locations. China intends to fly this vehicle for the first time in 2033, nearly a decade from now.

A vehicle for the Moon … The reusable Long March 9 is intended to unlock robust lunar operations for China, similar to the way Starship, and to some extent Blue Origin’s Blue Moon lander, promises to support sustained astronaut stays on the Moon’s surface. China says it plans to land its astronauts on the Moon by 2030, initially using a more conventional architecture with an expendable rocket named the Long March 10, and a lander reminiscent of NASA’s Apollo lunar lander. These will allow Chinese astronauts to remain on the Moon for a matter of days. With Long March 9, China could deliver massive loads of cargo and life support resources to sustain astronauts for much longer stays.

Ta-ta to the tripod. The large three-legged vertical test stand at SpaceX’s engine test site in McGregor, Texas, is being decommissioned, NASA Spaceflight reports. Cranes have started removing propellant tanks from the test stand, nicknamed the tripod, towering above the Central Texas prairie. McGregor is home to SpaceX’s propulsion test team and has 16 test cells to support firings of Merlin, Raptor, and Draco engines multiple times per day for the Falcon 9 rocket, Starship, and Dragon spacecraft.

Some history … The tripod might have been one of SpaceX’s most important assets in the company’s early years. It was built by Beal Aerospace for liquid-fueled rocket engine tests in the late 1990s. Beal Aerospace folded, and SpaceX took over the site in 2003. After some modifications, SpaceX installed the first qualification version of its Falcon 9 rocket on the tripod for a series of nine-engine test-firings leading up to the rocket’s inaugural flight in 2010. SpaceX test-fired numerous new Falcon 9 boosters on the tripod before shipping them to launch sites in Florida or California. Most recently, the tripod was used for testing of Raptor engines destined to fly on Starship and the Super Heavy booster.

Next three launches

Nov. 9:  Long March 2C | Unknown Payload | Jiuquan Satellite Launch Center, China | 03: 40 UTC

Nov. 9: Falcon 9 | Starlink 9-10 | Vandenberg Space Force Base, California | 06: 14 UTC

Nov. 10:  Falcon 9 | Starlink 6-69 | Cape Canaveral Space Force Station, Florida | 21: 28 UTC

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Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

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SpaceX launches Europe’s Hera asteroid mission ahead of Hurricane Milton

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The launch of another important mission, NASA’s Europa Clipper, is on hold due to Hurricane Milton.

The European Space Agency’s Hera spacecraft flies away from the Falcon 9 rocket’s upper stage a little more than an hour after liftoff Monday. Credit: SpaceX

Two years ago, a NASA spacecraft smashed into a small asteroid millions of miles from Earth to test a technique that could one day prove useful to deflect an object off a collision course with Earth. The European Space Agency launched a follow-up mission Monday to go back to the crash site and see the damage done.

The nearly $400 million (363 million euro) Hera mission, named for the Greek goddess of marriage, will investigate the aftermath of a cosmic collision between NASA’s DART spacecraft and the skyscraper-size asteroid Dimorphos on September 26, 2022. NASA’s Double Asteroid Redirection Test mission was the first planetary defense experiment, and it worked, successfully nudging Dimorphos off its regular orbit around a larger companion asteroid named Didymos.

But NASA had to sacrifice the DART spacecraft in the deflection experiment. Its destruction meant there were no detailed images of the condition of the target asteroid after the impact. A small Italian CubeSat deployed by DART as it approached Dimorphos captured fuzzy long-range views of the collision, but Hera will perform a comprehensive survey when it arrives in late 2026.

“We are going to have a surprise to see what Dimorphos looks like, which is, first, scientifically exciting, but also important because if we want to validate the technique and validate the model that can reproduce the impact, we need to know the final outcome,” said Patrick Michel, principal investigator on the Hera mission from Côte d’Azur Observatory in Nice, France. “And we don’t have it. With Hera, it’s like a detective going back to the crime scene and telling us what really happened.”

Last ride before the storm

The Hera spacecraft, weighing in at 2,442 pounds (1,108 kilograms), lifted off on top of a SpaceX Falcon 9 rocket at 10: 52 am EDT (14: 52 UTC) Monday from Cape Canaveral Space Force Station, Florida.

Officials weren’t sure the weather conditions at Cape Canaveral would permit a launch Monday, with widespread rain showers and a blanket of cloud cover hanging over Florida’s Space Coast. But the conditions were just good enough to be acceptable for a rocket launch, and the Falcon 9 lit its nine kerosene-fueled engines to climb away from pad 40 after a smooth countdown.

SpaceX’s Falcon 9 rocket lifts off from Cape Canaveral Space Force Station, Florida, with ESA’s Hera mission.

Credit: SpaceX

SpaceX’s Falcon 9 rocket lifts off from Cape Canaveral Space Force Station, Florida, with ESA’s Hera mission. Credit: SpaceX

This was probably the final opportunity to launch Hera before the spaceport shutters in advance of Hurricane Milton, a dangerous Category 5 storm taking aim at the west coast of Florida. If the mission didn’t launch Monday, SpaceX was prepared to move the Falcon 9 rocket and the Hera spacecraft back inside a hangar for safekeeping until the storm passes.

Meanwhile, at NASA’s Kennedy Space Center a few miles away, SpaceX is securing a Falcon Heavy rocket with the Europa Clipper spacecraft to ride out Hurricane Milton inside a hangar at Launch Complex 39A. Europa Clipper is a $5.2 billion flagship mission to explore Jupiter’s most enigmatic icy moon, and it was supposed to launch Thursday, the same day Hurricane Milton will potentially move over Central Florida.

NASA announced Sunday that it is postponing Europa Clipper’s launch until after the storm.

“The safety of launch team personnel is our highest priority, and all precautions will be taken to protect the Europa Clipper spacecraft,” said Tim Dunn, senior launch director at NASA’s Launch Services Program. “Once we have the ‘all-clear’ followed by facility assessment and any recovery actions, we will determine the next launch opportunity for this NASA flagship mission.”

Europa Clipper must launch by November 6 in order to reach Jupiter and its moon Europa in 2030. ESA’s Hera mission had a similarly tight window to get off the ground in October and arrive at asteroids Didymos and Dimorphos in December 2026.

Returning to flight

The Falcon 9 did its job Monday, accelerating the Hera spacecraft to a blistering speed of 26,745 mph (43,042 km/hr) with successive burns by its first stage booster and upper stage engine. This was the highest-speed payload injection ever achieved by SpaceX.

SpaceX did not attempt to recover the Falcon 9’s reusable booster on Monday’s flight because Hera needed all of the rocket’s oomph to gain enough speed to escape the pull of Earth’s gravity.

“Good launch, good orbit, and good payload deploy,” wrote Kiko Dontchev, SpaceX’s vice president of launch, on X.

This was the first Falcon 9 launch in nine days—an unusually long gap between SpaceX missions—after the rocket’s upper stage misfired during a maneuver to steer itself out of orbit following an otherwise successful launch September 28 with a two-man crew heading for the International Space Station.

The upper stage engine apparently “over-burned,” and the rocket debris fell into the atmosphere short of its expected reentry corridor in the Pacific Ocean, sources said. The Federal Aviation Administration grounded the Falcon 9 rocket while SpaceX investigates the malfunction, but the FAA granted approval for SpaceX to launch the Hera mission because its trajectory would carry the rocket away from Earth, rather than back into the atmosphere for reentry.

“The FAA has determined that the absence of a second stage reentry for this mission adequately mitigates the primary risk to the public in the event of a reoccurrence of the mishap experienced with the Crew-9 mission,” the FAA said in a statement.

Members of the Hera team from ESA and its German prime contractor, OHB, pose with the spacecraft inside SpaceX’s payload processing facility in Florida.

Credit: SpaceX

Members of the Hera team from ESA and its German prime contractor, OHB, pose with the spacecraft inside SpaceX’s payload processing facility in Florida. Credit: SpaceX

This was the third time the FAA has grounded SpaceX’s Falcon 9 rocket fleet in less than three months, following another upper stage failure in July that caused the destruction of 20 Starlink Internet satellites and the crash-landing of a Falcon 9 booster on an offshore drone ship in August. Federal regulators are responsible for ensuring commercial rocket launches don’t endanger the public.

These were the first major anomalies on any Falcon 9 launch since 2021.

It’s not clear when the FAA will clear SpaceX to resume launching other Falcon 9 missions. However, the launch of the Europa Clipper mission on a Falcon Heavy rocket, which uses essentially the same upper stage as a Falcon 9, is not licensed by the FAA because it is managed by NASA, another government agency. NASA will have final authority on whether to give the green light for the launch of Europa Clipper.

Surveying the damage

ESA’s Hera spacecraft is on course for a flyby of Mars next March to take advantage of the red planet’s gravity to slingshot itself on a trajectory to intercept its twin target asteroids. Near Mars, Hera will zoom relatively close to the planet’s asteroid-like moon, Deimos, to obtain rare closeups.

Then, Hera will approach Didymos and Dimorphos a little more than two years from now, maneuvering around the binary asteroid system at a range of distances, eventually moving as close as about a half-mile (1 kilometer) away.

Italy’s LICIACube spacecraft snapped this image of asteroids Didymos (lower left) and Dimorphos (upper right) a few minutes after the impact of DART on September 26, 2022.

Credit: ASI/NASA

Italy’s LICIACube spacecraft snapped this image of asteroids Didymos (lower left) and Dimorphos (upper right) a few minutes after the impact of DART on September 26, 2022. Credit: ASI/NASA

Dimorphos orbits Didymos once every 11 hours and 23 minutes, roughly 32 minutes shorter than the orbital period before DART’s impact in 2022. This change in orbit proved the effectiveness of a kinetic impactor in deflecting an asteroid that threatens Earth.

Dimorphos, the smaller of the two asteroids, has a diameter of around 500 feet (150 meters), while Didymos measures approximately a half-mile (780 meters) wide. Neither asteroid poses a risk to Earth, so NASA chose them as the objective for DART.

The Hubble Space Telescope spotted a debris field trailing the binary asteroid system after DART’s impact. Astronomers identified at least 37 boulders drifting away from the asteroids, material ejected when the DART spacecraft slammed into Dimorphos at a velocity of 14,000 mph (22,500 kmh).

Scientists will use Hera, with its suite of cameras and instruments, to study how the strike by DART changed the asteroid Dimorphos. Did the impact leave a crater, or did it reshape the entire asteroid? There are “tentative hints” that the asteroid’s shape changed after the collision, according to Michael Kueppers, Hera’s project scientist at ESA.

“If this is the case, it would also mean that the cohesion of Dimorphos is extremely low; that indeed, even an object the size of Dimorphos would be held together by its weight, by its gravity, and not by cohesion,” Kueppers said. “So it really would be a rubble pile.”

Hera will also measure the mass of Dimorphos, something DART was unable to do. “That is important to measure the efficiency of the impact… which was the momentum that was transferred from the impacting satellite to the asteroid,” Kueppers said.

This NASA/ESA Hubble Space Telescope image of the asteroid Dimorphos was taken on December 19, 2022, nearly three months after the asteroid was impacted by NASA’s DART mission. Hubble’s sensitivity reveals a few dozen boulders knocked off the asteroid by the force of the collision.

Credit: NASA, ESA, D. Jewitt (UCLA)

This NASA/ESA Hubble Space Telescope image of the asteroid Dimorphos was taken on December 19, 2022, nearly three months after the asteroid was impacted by NASA’s DART mission. Hubble’s sensitivity reveals a few dozen boulders knocked off the asteroid by the force of the collision. Credit: NASA, ESA, D. Jewitt (UCLA)

The central goal of Hera is to fill the gaps in knowledge about Didymos and Dimorphos. Precise measurements of DART’s momentum, coupled with a better understanding of the interior structure of the asteroids, will allow future mission planners to know how best to deflect a hazardous object threatening Earth.

“The third part is to generally investigate the two asteroids to know their physical properties, their interior properties, their strength, essentially to be able to extrapolate or to scale the outcome of DART to another impact should we really need it one day,” Kueppers said.

Hera will release two briefcase-size CubeSats, named Juventas and Milani, to work in concert with ESA’s mothership. Juventas carries a compact radar to probe the internal structure of the smaller asteroid and will eventually attempt a landing on Dimorphos. Milani will study the mineral composition of individual boulders around DART’s impact site.

“This is the first time that we send a spacecraft to a small body, which is actually a multi-satellite system, with one main spacecraft and two CubeSats doing closer proximity operations,” Michel said. “This has never been done.”

Artist’s illustration of the Hera spacecraft with its two deployable CubeSats, Juventas and Milani, in the vicinity of the Didymos binary asteroid system. The CubeSats will communicate with ground teams via radio links with the Hera mothership.

Credit: ESA-Science Office

Artist’s illustration of the Hera spacecraft with its two deployable CubeSats, Juventas and Milani, in the vicinity of the Didymos binary asteroid system. The CubeSats will communicate with ground teams via radio links with the Hera mothership. Credit: ESA-Science Office

One source of uncertainty, and perhaps worry, about the environment around Didymos and Dimorphos is the status of the debris field observed by Hubble a few months after DART’s impact. But this is not likely to be a problem, according to Kueppers.

“I’m not really worried about potential boulders at Didymos,” he said, recalling the relative ease with which ESA’s Rosetta spacecraft navigated around an active comet from 2014 through 2016.

Ignacio Tanco, ESA’s flight director for Hera, doesn’t share Kuepper’s optimism.

“We didn’t hit the comet with a hammer,” said Tanco, who is responsible for keeping the Hera spacecraft safe. “The debris question for me is actually a source of… I wouldn’t say concern, but certainly precaution. It’s something that we’ll need to approach carefully once we get there.”

“That’s the difference between an engineer and a scientist,” Kuepper joked.

Scientists originally wanted Hera to be in the vicinity of the Didymos binary asteroid system before DART’s arrival, allowing it to directly observe the impact and its fallout. But ESA’s member states did not approve funding for the Hera mission in time, and the space agency only signed the contract to build the Hera spacecraft in 2020.

ESA first studied a mission like DART and Hera more than 20 years ago, when scientists proposed a mission called Don Quijote to get an asteroid deflection. But other missions took priority in Europe’s space program. Now, Hera is on course to write the final chapter of the story of humanity’s first planetary defense test.

“This is our contribution of ESA to humanity to help us in the future protect our planet,” said Josef Aschbacher, ESA’s director general.

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

SpaceX launches Europe’s Hera asteroid mission ahead of Hurricane Milton Read More »

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Rocket Report: Falcon 9 is back; Starship could be recovered off Australia

atlas v, european space agency, falcon 9, launch, NASA, rocket report, Science, Space, spacex, starship, united launch alliance / /

Starship down under —

Elon Musk doesn’t expect the next Starship test flight to occur before late August.

–

Welcome to Edition 7.05 of the Rocket Report! The Federal Aviation Administration grounded SpaceX’s Falcon 9 rocket for 15 days after a rare failure of its upper stage earlier this month. The FAA gave the green light for Falcon 9 to return to flight July 25, and within a couple of days, SpaceX successfully launched three missions from three launch pads. There’s a lot on Falcon 9’s to-do list, so we expect SpaceX to quickly return to form with several flights per week.

As always, we welcome reader submissions. If you don’t want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets as well as a quick look ahead at the next three launches on the calendar.

Big delay for a reusable rocket testbed. The French space agency, CNES, has revealed that the inaugural test flight of its Callisto reusable rocket demonstrator will not take place until late 2025 or early 2026, European Spaceflight reports. CNES unveiled an updated website for the Callisto rocket program earlier this month, showing the test rocket has been delayed from a debut launch later this year to until late 2025 or early 2026. The Callisto rocket is designed to test techniques and technologies required for reusable rockets, such as vertical takeoff and vertical landing, with suborbital flights from the Guiana Space Center in South America.

Cooperative action … Callisto, which stands for Cooperative Action Leading to Launcher Innovation in Stage Toss-back Operations, is a joint project between CNES, German space agency DLR, and JAXA, the Japanese space agency. It will stand 14 meters (46 feet) tall and weigh about 4 metric tons (8,800 pounds), with an engine supplied by Japan. Callisto is one of several test projects in Europe aiming to pave the way for a future reusable rocket. (submitted by EllPeaTea and Ken the Bin)

The easiest way to keep up with Eric Berger’s space reporting is to sign up for his newsletter, we’ll collect his stories in your inbox.

Small step for Themis. Another European project established to demonstrate reusable rocket tech is making slow progress toward a first flight. The Themis project, funded by the European Space Agency, is similar in purpose to the Callisto testbed discussed above. This week, the German aerospace manufacturing company MT Aerospace announced it has begun testing a demonstrator of the landing legs that will be used aboard the Themis reusable booster, European Spaceflight reports. The landing legs for Themis are made of carbon fiber-reinforced plastic composites, and the initial test demonstrated good deployment and showed it would withstand the impact energy of landing.

Also delayed … Like Callisto, Themis is facing delays in getting to the launch pad. ArianeGroup, the ESA-selected Themis prime contractor, had been expected to conduct an initial hop test of the demonstrator before the end of 2024. However, officials have announced the initial hop tests won’t happen until sometime next year. The Themis booster is intended to eventually become the first stage booster for an orbital-class partially reusable rocket being developed by MaiaSpace, a subsidiary of ArianeGroup. (submitted by Ken the Bin)

Falcon 9 is flying again. A SpaceX Falcon 9 rocket returned to flight on July 27, barely two weeks after an upper stage failure ended a streak of more than 300 consecutive successful launches, Ars reports. By some measures this was an extremely routine mission—it was, after all, SpaceX’s 73rd launch of this calendar year. And like many other Falcon 9 launches this year, the “Starlink 10-9” mission carried 23 of the broadband Internet satellites into orbit. However, after a rare failure earlier this month, this particular Falcon 9 rocket was making a return-to-flight for the company and attempting to get the world’s most active booster back into service.

Best part is no part … The Falcon 9 successfully deployed its payload of Starlink satellites about an hour after lifting off from NASA’s Kennedy Space Center in Florida. Later in the weekend, SpaceX launched two more Starlink missions on Falcon 9 rockets from Florida and California, notching three flights in less than 28 hours. The launch failure on the previous Falcon 9 launch was caused by a liquid oxygen leak on the upper stage, which led to a “hard start” on the upper stage engine when it attempted to reignite in flight. Engineers and technicians were quickly able to pinpoint the cause of the leak, a crack in a “sense line” for a pressure sensor attached to the vehicle’s liquid oxygen system.

Atlas V’s NSSL era is over. United Launch Alliance delivered a classified US military payload to orbit Tuesday for the last time with an Atlas V rocket, ending the Pentagon’s use of Russian rocket engines as national security missions transition to all-American launchers, Ars reports. This was the 101st launch of an Atlas V rocket since its debut in 2002, and the 58th and final Atlas V mission with a US national security payload since 2007. The Atlas V is powered by an RD-180 main engine made in Russia, and with a little prodding from SpaceX (via a lawsuit) and Congress, the Pentagon started making moves to end its reliance on the RD-180 a decade ago.

Other options available … The RD-180 never failed on a National Security Space Launch (NSSL) mission using the Atlas V rocket, but its use became politically untenable after Russia’s annexation of Crimea in 2014, which predated Russia’s full-scale invasion of Ukraine eight years later. SpaceX began launching US military missions in 2018, and ULA debuted its new Vulcan rocket in January. Assuming a successful second test flight of Vulcan in September, ULA’s next-generation rocket has a good shot at launching its first national security mission by the end of the year. The Space Force’s policy is to maintain at least two independent launch vehicles capable of flying military payloads into orbit. Vulcan and SpaceX’s Falcon rocket family fulfill that requirement, so the military no longer needs the Atlas V. However, 15 more Atlas V rockets remain in ULA’s inventory for future commercial flights.

Crackdown at the Cape. While this week’s landmark launch of the Atlas V rocket is worthy of celebration, there’s a new ULA policy that deserves ridicule, Ars reports. Many of the spectacular photos of rocket launches shared on social media come from independent photographers, who often make little to no money working for an established media organization. Instead, they rely on sales of prints to recoup at least some of their expenses for gas, food, and camera equipment needed to capture these images, which often serve as free publicity for launch providers like ULA. Last month, ULA announced it will no longer permit these photographers to set up remote cameras at their launch pads if they sell their images independently. This new policy was in place for the Atlas V launch from Cape Canaveral, Florida, on Tuesday morning.

But why? … “ULA will periodically confirm editorial publication for media participating in remote camera placement,” ULA stated in an email distributed to photographers last month. “If publication does not occur, or photos are sold outside of editorial purposes, privileges to place remote cameras may be revoked.” To the photographers who spend many hours preparing their equipment, waiting to set up and remove cameras, and persevering through scrubs and more, it seemed like a harsh judgment. And nobody knows why it happened. ULA has offered no public comment about the new policy, and the company did not respond to questions from Ars about the agreement.

Astroscale achieves a first in orbit. There are more than 2,000 mostly intact dead rockets circling the Earth, but until this year, no one ever launched a satellite to go see what one looked like after many years of tumbling around the planet, Ars reports. A Japanese company named Astroscale launched a small satellite in February to chase down the derelict upper stage from a Japanese H-IIA rocket. Astroscale’s ADRAS-J spacecraft arrived near the H-IIA upper stage in April, and the company announced this week that its satellite has now completed two 360-degree fly-arounds of the rocket. This is the first time a satellite has maneuvered around an actual piece of space junk, and it offers an unprecedented snapshot of how an abandoned rocket holds up to 15 years in the harsh environment of space.

Prepping for the future … Astroscale’s ADRAS-J mission is partially funded by the Japan Aerospace Exploration Agency (JAXA). Astroscale and JAXA also have a contract for a follow-up mission named ADRAS-J2, which will attempt to link up with the same H-IIA rocket and steer it on a trajectory to burn up in Earth’s atmosphere. This would be the first demonstration of active debris removal, a concept pursued by Astroscale and other companies to help clear space junk out of low-Earth orbit.

An update on Ariane 6. The European Space Agency has released its first update on the results from the first flight of the Ariane 6 rocket since its launch July 9. Europe’s new flagship rocket had a mostly successful inaugural test flight. Its first stage, solid rocket boosters, and upper stage performed as expected for the first phase of the flight, delivering eight small satellites into an on-target orbit. The launch pad at the Guiana Space Center in South America also held up to the violent environment of launch, ESA said.

Still investigating … However, the final phase of the mission didn’t go according to plan. The upper stage’s Vinci engine was supposed to reignite for a third time on the test flight to deorbit the rocket, which would have released two small reentry capsules on technology demonstration missions to test heat shield technologies. This didn’t happen. An Auxiliary Propulsion Unit, which is a small engine to provide additional bursts of thrust and pressurize the upper stage’s propellant tanks, shut down shortly after startup ahead of the third burn of the primary Vinci engine. “This meant the Vinci engine’s third boost could not take place,” ESA said. “Analysis of the APU’s behavior is ongoing and further information will be made available as soon as possible, while the next task force update is expected in September.” (submitted by Ken the Bin)

Room to grow at Starbase. SpaceX has since launched Starship four times from its launch site in South Texas, known as Starbase, and is planning a fifth launch within the next two months, Ars reports. However, as it continues to test Starship and make plans for regular flights, SpaceX will need a higher flight rate. This is especially true as the company is unlikely to activate additional launch pads for Starship in Florida until at least 2026. To that end, SpaceX has asked the FAA for permission for up to 25 flights a year from South Texas, as well as the capability to land both the Starship upper stage and Super Heavy booster stage back at the launch site.

The answer is probably yes … On Monday, the FAA signaled that it is inclined to grant this request. The agency released a draft assessment indicating that its extensive 2022 analysis of Starship launch activities on the environment, wildlife, local communities, and more was sufficient to account for SpaceX’s proposal for more launches. There is more to do for this conclusion to become official, including public meetings and a public comment period this month.

SpaceX eyes Australia. SpaceX is in talks with US and Australian officials to land and recover one of its Starship rockets off Australia’s coast, a possible first step toward a bigger presence for Elon Musk’s company in the region as the two countries bolster security ties, Reuters reports. At the end of SpaceX’s fourth Starship test flight in June, the rocket made a controlled splashdown in the Indian Ocean hundreds of miles off the northwest coast of Australia. The discussions now underway are focused on the possibility of towing a future Starship vehicle from its splashdown point in the ocean to a port in Australia, where SpaceX engineers could inspect it and learn more about how it performed.

Eventually, it’ll come back to land … On the next Starship flight, currently planned for no earlier than late August, SpaceX plans to attempt to recover Starship’s giant Super Heavy booster using catch arms on the launch pad tower in Texas. On Sunday, Elon Musk told SpaceX and Tesla enthusiasts at an event called the “X Takeover” that it will take a few more flights for engineers to get comfortable returning the Starship itself to a landing onshore. “We want to be really confident that the ship heat shield is super robust and lands at the exact right location,” he said. “So before we try to bring the ship back to the launch site, we probably want to have at least three successful landings of the ship [at sea].” (submitted by Ken the Bin)

Next three launches

August 2: Electron | “Owl for One, One for Owl” | Mahia Peninsula, New Zealand | 16: 39 UTC

August 3: Falcon 9 | NG-21 | Cape Canaveral Space Force Station, Florida | 15: 28 UTC

August 4: Falcon 9 | Starlink 11-1 | Vandenberg Space Force Base, California | 07: 00 UTC

Listing image by SpaceX

Rocket Report: Falcon 9 is back; Starship could be recovered off Australia Read More »

armada-to-apophis—scientists-recycle-old-ideas-for-rare-asteroid-encounter

Armada to Apophis—scientists recycle old ideas for rare asteroid encounter

Apophis, asteroid, european space agency, NASA, osiris rex, planetary science, Ramses, Science, solar system, Space / /

Tick-tock —

“It will miss the Earth. It will miss the Earth. It will miss the Earth.”

–

This artist's concept shows the possible appearance of ESA's RAMSES spacecraft, which will release two small CubeSats for additional observations at Apophis.

Enlarge / This artist’s concept shows the possible appearance of ESA’s RAMSES spacecraft, which will release two small CubeSats for additional observations at Apophis.

For nearly 20 years, scientists have known an asteroid named Apophis will pass unusually close to Earth on Friday, April 13, 2029. But most officials at the world’s space agencies stopped paying much attention when updated measurements ruled out the chance Apophis will impact Earth anytime soon.

Now, Apophis is again on the agenda, but this time as a science opportunity, not as a threat. The problem is there’s not much time to design, build and launch a spacecraft to get into position near Apophis in less than five years. The good news is there are designs, and in some cases, existing spacecraft, that governments can repurpose for missions to Apophis, a rocky asteroid about the size of three football fields.

Scientists discovered Apophis in 2004, and the first measurements of its orbit indicated there was a small chance it could strike Earth in 2029 or in 2036. Using more detailed radar observations of Apophis, scientists in 2021 ruled out any danger to Earth for at least the next 100 years.

“The three most important things about Apophis are: It will miss the Earth. It will miss the Earth. It will miss the Earth,” said Richard Binzel, a professor of planetary science at MIT. Binzel has co-chaired several conferences since 2020 aimed at drumming up support for space missions to take advantage of the Apophis opportunity in 2029.

“An asteroid this large comes this close only once per 1,000 years, or less frequently,” Binzel told Ars. “This is an experiment that nature is doing for us, bringing a large asteroid this close, such that Earth’s gravitational forces and tidal forces are going to tug and possibly shake this asteroid. The asteroid’s response is insightful to its interior.”

It’s important, Binzel argues, to get a glimpse of Apophis before and after its closest approach in 2029, when it will pass less than 20,000 miles (32,000 kilometers) from Earth’s surface, closer than the orbits of geostationary satellites.

“This is a natural experiment that will reveal how hazardous asteroids are put together, and there is no other way to get this information without vastly complicated spacecraft experiments,” Binzel said. “So this is a once-per-many-thousands-of-years experiment that nature is doing for us. We have to figure out how to watch.”

This week, the European Space Agency announced preliminary approval for a mission named RAMSES, which would launch in April 2028, a year ahead of the Apophis flyby, to rendezvous with the asteroid in early 2029. If ESA member states grant full approval for development next year, the RAMSES spacecraft will accompany Apophis throughout its flyby with Earth, collecting imagery and other scientific measurements before, during, and after closest approach.

The challenge of building and launching RAMSES in less than four years will serve as good practice for a potential future real-world scenario. If astronomers find an asteroid that’s really on a collision course with Earth, it might be necessary to respond quickly. Given enough time, space agencies could mount a reconnaissance mission, and if necessary, a mission to deflect or redirect the asteroid, likely using a technique similar to the one demonstrated by NASA’s DART mission in 2022.

“RAMSES will demonstrate that humankind can deploy a reconnaissance mission to rendezvous with an incoming asteroid in just a few years,” said Richard Moissl, head of ESA’s planetary defense office. “This type of mission is a cornerstone of humankind’s response to a hazardous asteroid. A reconnaissance mission would be launched first to analyze the incoming asteroid’s orbit and structure. The results would be used to determine how best to redirect the asteroid or to rule out non-impacts before an expensive deflector mission is developed.”

Shaking off the cobwebs

In order to make a 2028 launch feasible for RAMSES, ESA will reuse the design of a roughly half-ton spacecraft named Hera, which is scheduled for launch in October on a mission to survey the binary asteroid system targeted by the DART impact experiment in 2022. Copying the design of Hera will reduce the time needed to get RAMSES to the launch pad, ESA officials said.

“Hera demonstrated how ESA and European industry can meet strict deadlines and RAMSES will follow its example,” said Paolo Martino, who leads ESA’s development of Ramses, which stands for the Rapid Apophis Mission for Space Safety.

ESA’s space safety board recently authorized preparatory work on the RAMSES mission using funds already in the agency’s budget. OHB, the German spacecraft manufacturer that is building Hera, will also lead the industrial team working on RAMSES. The cost of RAMSES will be “significantly lower” than the 300-million-euro ($380 million) cost of the Hera mission, Martino wrote in an email to Ars.

“There is still so much we have yet to learn about asteroids but, until now, we have had to travel deep into the Solar System to study them and perform experiments ourselves to interact with their surface,” said Patrick Michel, a planetary scientist at the French National Center for Scientific Research, and principal investigator on the Hera mission.

“For the first time ever, nature is bringing one to us and conducting the experiment itself,” Michel said in a press release. “All we need to do is watch as Apophis is stretched and squeezed by strong tidal forces that may trigger landslides and other disturbances and reveal new material from beneath the surface.”

Assuming it gets the final go-ahead next year, RAMSES will join NASA’s OSIRIS-APEX mission in exploring Apophis. NASA is steering the spacecraft, already in space after its use on the OSIRIS-REx asteroid sample return mission, toward a rendezvous with Apophis in 2029, but it won’t arrive at its new target until a few weeks after its close flyby of Earth. The intricacies of orbital mechanics prevent a rendezvous with Apophis any earlier.

Observations from OSIRIS-APEX, a larger spacecraft than RAMSES with a sophisticated suite of instruments, “will deliver a detailed look of what Apophis is like after the Earth encounter,” Binzel said. “But until we establish the state of Apophis before the Earth encounter, we have only one side of the picture.”

At its closest approach, asteroid Apophis will closer to Earth than the ring of geostationary satellites over the equator.

Enlarge / At its closest approach, asteroid Apophis will closer to Earth than the ring of geostationary satellites over the equator.

Scientists are also urging NASA to consider launching a pair of mothballed science probes on a trajectory to fly by Apophis some time before its April 2029 encounter with Earth. These two spacecraft were built for NASA’s Janus mission, which the agency canceled last year after the mission fell victim to launch delays with NASA’s larger Psyche asteroid explorer. The Janus probes were supposed to launch on the same rocket as Psyche, but problems with the Psyche mission forced a delay in the launch of more than one year.

Despite the delay, Psyche could still reach its destination in the asteroid belt, but the new launch trajectory meant Janus would be unable to visit the two binary asteroids scientists originally wanted to explore with the probes. After spending nearly $50 million on the mission, NASA put the twin Janus spacecraft, each about the size of a suitcase, into long-term storage.

At the most recent workshop on Apophis missions in April, scientists heard presentations on more than 20 concepts for spacecraft and instrument measurements at Apophis.

They included an idea from Blue Origin, Jeff Bezos’s space company, to use its Blue Ring space tug as a host platform for multiple instruments and landers that could descend to the surface of Apophis, assuming research institutions have enough time and money to develop their payloads. A startup named Exploration Laboratories has proposed partnering with NASA’s Jet Propulsion Laboratory on a small spacecraft mission to Apophis.

“At the conclusion of the workshop, it was my job to try to bring forward some consensus, because if we don’t have some consensus on our top priority, we may end up with nothing,” Binzel said. “The consensus recommendation for ESA was to more forward with RAMSES.”

Workshop participants also gently nudged NASA to use the Janus probes for a mission to Apophis. “Apophis is a mission in search of a spacecraft, and Janus is a spacecraft in search of a mission,” Binzel said. “As a matter of efficiency and basic logic, Janus to Apophis is the highest priority.”

A matter of money

But NASA’s science budget, and especially funding for its planetary science vision, is under stress. Earlier this week, NASA canceled an already-built lunar rover named VIPER after spending $450 million on the mission. The mission had exceeded its original development cost by greater than 30 percent, prompting an automatic cancellation review.

The funding level for NASA’s science mission directorate this year is nearly $500 million less than last year’s budget, and $900 million below the White House’s budget request for fiscal year 2024. Because of the tight budget, NASA officials have said, for now, they are not starting development of any new planetary science missions as they focus on finishing projects already in the pipeline, like the Europa Clipper mission, the Dragonfly quadcopter to visit Saturn’s moon Titan, and the Near-Earth Object (NEO) Surveyor telescope to search for potentially hazardous asteroids.

These grainy radar views of asteroid Apophis were captured using radars at NASA's Goldstone Deep Space Communications Complex in California and Green Bank Telescope in West Virginia.

Enlarge / These grainy radar views of asteroid Apophis were captured using radars at NASA’s Goldstone Deep Space Communications Complex in California and Green Bank Telescope in West Virginia.

NASA has asked the Janus team to look at the feasibility of launching on the same rocket as NEO Surveyor in 2027, according to Dan Scheeres, the Janus principal investigator at the University of Colorado. With such a launch in 2027, Janus could capture the first up-close images of Apophis before RAMSES and OSIRIS-APEX get there.

“This is something that we’re currently presenting in some discussions with NASA, just to make sure that they understand what the possibilities are there,” Scheeres said in a meeting last week of the Small Bodies Advisory Group, which represents the asteroid science community.

“These spacecraft are capable of performing future scientific flyby missions to near-Earth asteroids,” Scheeres said. “Each spacecraft has a high-quality Malin visible imager and a thermal infrared imager. Each spacecraft has the ability to track and image an asteroid system through a close, fast flyby.”

“The scientific return from an Apophis flyby by Janus could be one of the best opportunities out there,” said Daniella DellaGiustina, lead scientist on the OSIRIS-APEX mission from the University of Arizona.

Binzel, who has led the charge for Apophis missions, said there is also some symbolic value to having a spacecraft escort the asteroid by Earth. Apophis will be visible in the skies over Europe and Africa when it is closest to our planet.

“When 2 billion people are watching this, they are going to ask, ‘What are our space agencies doing?’ And if the answer is, ‘Oh, we’ll be there. We’re getting there,’ which is OSIRIS-APEX, I don’t think that’s a very satisfying answer,” Binzel said.

“As the international space community, we want to demonstrate on April 13, 2029, that we are there and we are watching, and we are watching because we want to gain the most knowledge and the most understanding about these objects that is possible, because someday it could matter,” Binzel said. “Someday, our detailed knowledge of hazardous asteroids would be among the most important knowledge bases for the future of humanity.”

Armada to Apophis—scientists recycle old ideas for rare asteroid encounter Read More »

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Rocket Report: China flies reusable rocket hopper; Falcon Heavy dazzles

china, european space agency, falcon 9, falcon heavy, Firefly Aerospace, launch, rocket lab, rocket report, Science, Space, spacex, united launch alliance, vulcan / /
SpaceX's 10th Falcon Heavy rocket climbs into orbit with a new US government weather satellite.

Enlarge / SpaceX’s 10th Falcon Heavy rocket climbs into orbit with a new US government weather satellite.

Welcome to Edition 6.50 of the Rocket Report! SpaceX launched its 10th Falcon Heavy rocket this week with the GOES-U weather satellite for NOAA, and this one was a beauty. The late afternoon timing of the launch and atmospheric conditions made for great photography. Falcon Heavy has become a trusted rocket for the US government, and its next flight in October will deploy NASA’s Europa Clipper spacecraft on the way to explore one of Jupiter’s enigmatic icy moons.

As always, we welcome reader submissions, and if you don’t want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets as well as a quick look ahead at the next three launches on the calendar.

Sir Peter Beck dishes on launch business. Ars spoke with the recently knighted Peter Beck, founder and CEO of Rocket Lab, on where his scrappy company fits in a global launch marketplace dominated by SpaceX. Rocket Lab racked up the third-most number of orbital launches by any US launch company (it’s headquartered in California but primarily assembles and launches rockets in New Zealand). SpaceX’s rideshare launch business with the Falcon 9 rocket is putting immense pressure on small launch companies like Rocket Lab. However, Beck argues his Electron rocket is a bespoke solution for customers desiring to put their satellite in a specific place at a specific time, a luxury they can’t count on with a SpaceX rideshare.

Ruthlessly efficient … A word that Beck returned to throughout his interview with Ars was “ruthless.” He said Rocket Lab’s success is a result of the company being “ruthlessly efficient and not making mistakes.” At one time, Rocket Lab was up against Virgin Orbit in the small launch business, and Virgin Orbit had access to capital through billionaire Richard Branson. Now, SpaceX is the 800-pound gorilla in the market. “We have a saying here at Rocket Lab that we have no money, so we have to think. We’ve never been in a position to outspend our competitors. We just have to out-think them. We have to be lean and mean.”

Firefly reveals plans for new launch sites. Firefly Aerospace plans to use the state of Virginia-owned launch pad at NASA’s Wallops Flight Facility for East Coast launches of its Alpha small-satellite rocket, Aviation Week reports. The company plans to use Pad 0A for US military and other missions, particularly those requiring tight turnaround between procurement and launch. This is the same launch pad previously used by Northrop Grumman’s Antares rocket, and it’s the soon-to-be home of the Medium Launch Vehicle (MLV) jointly developed by Northrop and Firefly. The launch pad will be configured for Alpha launches beginning in 2025, according to Firefly, which previously planned to develop an Alpha launch pad at Cape Canaveral Space Force Station in Florida. Now, Alpha and MLV rockets will fly from the same site on the East Coast, while Alpha will continue launching from the West Coast at Vandenberg Space Force Base, California.

Hello, Sweden… A few days after the announcement for launches from Virginia, Firefly unveiled a collaborative agreement with Swedish Space Corporation to launch Alpha rockets from the Esrange Space Center in Sweden as soon as 2026. Esrange has been the departure point for numerous suborbital and sounding rocket for nearly 50 years, but the spaceport is being upgraded for orbital satellite launches. A South Korean startup named Perigee Aerospace announced in May it signed an agreement to be the first user of Esrange’s orbital launch capability. Firefly is the second company to make plans to launch satellites from the remote site in northern Sweden. (submitted by Ken the Bin and brianrhurley)

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China hops closer to reusable rockets. The Shanghai Academy of Spaceflight Technology (SAST), part of China’s apparatus of state-owned aerospace companies, has conducted the country’s highest altitude launch and landing test so far as several teams chase reusable rocket capabilities, Space News reports. A 3.8-meter-diameter (9.2-foot) test article powered by three methane liquid-oxygen engines lifted off from the Gobi Desert on June 23 and soared to an altitude of about 12 kilometers (7.5 miles) before setting down successfully for a vertical propulsive touchdown on landing legs at a nearby landing area. SAST will follow up with a 70-kilometer (43.5-mile) suborbital test using grid fins for better control. A first orbital flight of the new reusable rocket is planned for 2025.

Lots of players … If you don’t exclusively follow China’s launch sector, you should be forgiven for being unable to list all the companies working on new reusable rockets. Late last year, a Chinese startup named iSpace flew a hopper rocket testbed to an altitude of several hundred meters as part of a development program for the company’s upcoming partially reusable Hyperbola 2 rocket. A company named Space Pioneer plans to launch its medium-class Tianlong 3 rocket for the first time later this year. Tianlong 3 looks remarkably like SpaceX’s Falcon 9, and its first stage will eventually be made reusable. China recently test-fired engines for the government’s new Long March 10, a partially reusable rocket planned to become China’s next-generation crew launch vehicle. These are just a few of the reusable rocket programs in China. (submitted by Ken the Bin)

Spanish launch startup invests in Kourou. PLD Space says it is ready to start construction at a disused launch complex at the Guiana Space Center in Kourou, French Guiana. The Spanish launch startup announced this week a 10 million euro ($10.7 million) investment in the launch complex for its Miura 5 rocket, with preparations of the site set to begin “after the summer.” The launch pad was previously used by the French Diamant rocket in the 1970s and is located several miles away from the launch pads used by the European Ariane 6 and Vega rockets. PLD Space is on track to become the first fully commercial company to launch from the spaceport in South America.

Free access to space … Also this week, PLD Space announced a new program to offer space aboard the first two flights of its Miura 5 rocket for free, European Spaceflight reports. The two-stage Miura 5 rocket will be capable of delivering about a half-ton of payload mass into a Sun-synchronous orbit. PLD Space will offer free launch services aboard the first two Miura 5 flights, which are expected to take place in late 2025 and early 2026. The application process will close on July 30, and winning proposals will be announced on November 30. (submitted by Ken the Bin and EllPeaTea)

Rocket Report: China flies reusable rocket hopper; Falcon Heavy dazzles Read More »