Mitsubishi develops technology to 3D print cubesat antennas in space using sunlight

Capitalism in space: Mitsubishi this week announced a new technology it had developed that will allow small cubesats to 3D print antennas in space much larger than the satellite itself, using the sun’s ultraviolet radiation to harden the resin.

The full press release can be read here [pdf].

– On-orbit manufacturing eliminates the need for an antenna structure that can withstand vibrations and shocks during launch, which is required for conventional antenna reflectors, making it possible to reduce the weight and thickness of antenna reflectors, thereby contributing to the reduction of satellite weight and launch costs.

– Assuming the use of a 3U CubeSat (100 x 100 x 300 mm) specification, an antenna reflector with a diameter of 165 mm, which is larger than the size of the CubeSat bus, was fabricated in air, and a gain of 23.5 dB was confirmed in the Ku band (13.5 GHz).

Obviously this is still in development, but once viable commercially it will expand the capabilities of cubesats enormously, especially for interplanetary missions which need larger antennas for communications.

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Starliner successfully docks with ISS

Starliner docked to ISS
Screen capture just after soft docking.

Boeing and NASA today successfully docked an unmanned Starliner capsule to ISS for the first time, completing the up-from-Earth portion of this demo mission to prove out this Boeing spacecraft as a future ferry to bring astronauts to and from the station.

The screen capture to the right, taken from the live feed, shows Starliner just after a successful soft capture docking. This was shortly followed by a hard dock.

They will open the hatch tomorrow after checking out the capsule’s linkage with ISS.

The docking itself was delayed by about 78 minutes, partly to time the docking during a period of good orbital communications and partly because of an issue with NASA’s own docking ring on the station that required engineers to reset it.

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India delays launch of manned mission to do two abort tests first

The new colonial movement: India’s space agency ISRO has decided to delay the launch of its Gaganyaan manned orbital mission at least one more year (until ’24) in order to do two abort tests of the capsule.

“The first Test Vehicle for this purpose is ready and we will launch it in September this year. The human capsule will be sent up 15 kilometres, we will simulate an abort and then the capsule will be safely brought down by parachutes into the sea,โ€™โ€™ Somanath, who is also Secretary, Department of Space, said.

The second Test Vehicle will be launched in December this year, sent to a greater height and then brought back after a similar simulation is carried out.

The mission had originally been scheduled to launch in ’22, but was delayed significantly by India’s panic over Wuhan.

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Zhurong goes into hibernation

Overview map

According to a report today in China’s state-run press, the team running its Zhurong Mars rover have placed it into a hibernation mode in order to sit out the Martian winter.

To tackle the dust storms and low-temperature challenges, the Chinese rover went into dormancy on Wednesday. It is expected to wake up and resume work in December when the dust clears and Mars enters its spring season, the administration said in a statement.

The rover sits somewhere in the blue circle in the map to the right, created using elevation data and images from Mars Reconnaissance Orbiter (MRO). This region is about 25 degrees north latitude, so though it is in the dry equatorial regions of Mars, it still gets very cold in winter, down to -180 degrees Fahrenheit at night. Furthermore, the increased winter dust storms block the light from the Sun, which reduces the available power the rover’s solar panels can produce.

Chinese engineers have apparently adapted the hibernation techniques they use on the Moon with their Yutu-2 rover to place Zhurong in hibernation.

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Starliner reaches proper orbit despite thruster problems

Unbelievable: During the post-launch press conference last night Boeing officials revealed that, though the final burn to get Boeing’s Starliner capsule into orbit using its own thrusters succeeded, the thrusters did not function as planned.

Boeing Vice President Mark Nappi said a Starliner thruster failed after firing for one second as the spacecraft made a burn to enter orbit after separating from its Atlas V launch vehicle. The flight software switched to a second thruster, which fired for 25 seconds before shutting down prematurely. A third thruster took over and completed the firing, Nappi said.

The thrusters were made by Aerojet Rocketdyne, which also made the valves that did not work in the previous launch attempt in the summer of 2021. Whether the two problems are related is not known at this time.

A NASA official also noted that a cooling unit on the spacecraft operated “sluggishly during ascent,” but began working correctly once in orbit.

Right now NASA and Boeing are planning to proceed with the docking on ISS tonight at 7:10 pm (Eastern). It appears that though two thrusters have failed, they have ten more thrusters that can be used for further maneuvers throughout the mission. Furthermore, these thrusters are not used during the actual rendezvous and docking.

The live stream of the docking goes live at 3:30 pm (Eastern), and is embedded below. Until then enjoy NASA propaganda, some of it might be of interest.

Update: NASA has cut off coverage of the docking on the channel I had embedded previously. I have now embedded an active live feed.

» Read more

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ULA’s Atlas-5 rocket successfully launches Starliner into orbit

Atlas-5 immediately after lift-off
Screen capture just after lift-off

Capitalism in space: ULA’s Atlas-5 rocket today successfully launched Boeing’s manned Starliner capsule into orbit on its second attempt to complete an unmanned demo mission to ISS.

The capsule having been deployed by the rocket then followed with a final burn using the capsule’s own engines to get into its proper orbit for rendezvous with ISS tomorrow at 7:10 pm (Eastern). It was during this rendezvous period that Starliner had its problems in the first demo mission in December 2019 that caused the mission to be aborted prior to docking. Hopefully those software issues have been solved and all will go well through tomorrow.

It is interesting to compare the operation and equipment of Boeing/ULA vs SpaceX. While SpaceX has aimed for a sleek look, Boeing/ULA both retain the industrial feel of past rocketry. Neither is wrong, but the difference highlights the consequences of having competing operations. You get variety.

The leaders in the 2022 launch race:

21 SpaceX
15 China
7 Russia
3 Rocket Lab
3 ULA

American private enterprise now leads China 30 to 15 in the national rankings, and the entire world combined 30 to 25.

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Watching Boeing’s Starliner launch tonight

At 6:54 pm (Eastern) tonight a ULA Atlas-5 rocket will launch Boeing’s manned Starliner capsule on its second attempt to complete an unmanned demo mission to ISS.

NASA’s live coverage will begin at 6 pm on NASA-TV. I have embedded the youtube channel of this live stream below the fold. At the moment the station is broadcasting its regular NASA propaganda (some of which is actually informative). The launch’s actual coverage will begin at 6 pm (Eastern), and continue until the spacecraft is successfully inserted into orbit. Further coverage of the flight, including docking with ISS, will be as follows:

9 pm (Eastern) โ€“ Post launch press conference (time subject to change).

May 20
3:30 pm (Eastern) โ€“ Coverage begins of the rendezvous and docking to ISS, with the actual docking scheduled for 7:10 pm (Eastern).

May 21
11:30 am (Eastern) โ€“ Coverage of the opening of Starliner’s hatch, scheduled for 11:45 am (Eastern).

Boeing’s first attempt to complete this mission in December 2019 was forced to return to Earth before docking with ISS because of numerous software issues. Then, an attempt to launch again in August 2021 was scrubbed because numerous valves in the capsule’s service module failed to operate properly during the countdown. The company had to return the capsule to the factory to replace that service module as well as make some changes to the valves to make today’s launch possible.

For Boeing, these delays and fixes have cost the company a lot of money, since its contract with NASA is fixed price. This second demo mission will cost Boeing about $400 million, but even worse, the delays meant that SpaceX got some of the business with NASA and other private customers that it might have gotten had Starliner been operational.

Update: NASA has cut off coverage of the docking on the channel I had embedded previously. I have now embedded an active live feed.

» Read more

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Technical issue on New Shepard delays fifth passenger flight

Capitalism in space: Because of an as yet unexplained technical issue discovered on its New Shepard suborbital spacecraft, Blue Origin has scrubbed tomorrow’s planned fifth passenger flight.

The only information the company released was in a tweet yesterday:

During our final vehicle check-outs, we observed one of New Shepardโ€™s back-up systems was not meeting our expectations for performance.

No other information has so far been released, nor has the company indicated when the flight might be rescheduled. It is intended to carry six passengers on a short suborbital flight, including one making his second flight on New Shepard.

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ABL completes and ships new upper stage only 4 months after test explosion

Capitalism in space: The smallsat rocket startup ABL has successfully completed construction and testing of a new upper stage for the first launch of its RS1 rocket, shipping it to the launch site in Alaska only four months after an explosion during testing destroyed an earlier stage.

Before the January accident, the company had planned a first launch of the RS1 rocket, capable of placing up to 1,350 kilograms into low Earth orbit for a list price of $12 million, early in the year. Shortly after the accident, the company estimated a three-month delay in its plans. Piemont said after the recent acceptance tests that the company was now targeting โ€œearly summerโ€ for its first launch, pending completion of acceptance tests of the first stage.

Though the company’s goal had been to lose only three months and the actual delay was four months, the overall speed in which it recovered is impressive. Right now ABL is one of four smallsat rocket companies (ABL, Firefly, Aevum, and Relativity) attempting to complete its first launch this year. This success suggests ABL has a good chance of succeeding.

Below is a video of a successful static fire test of this new stage, released by the company. It is a pleasant change from most such PR videos, in that the company simply shows us the test, with some minor editing, but includes no dramatic but fake background music. Life isn’t a movie.
» Read more

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SpaceX successfully launches 53 Starlink satellites

Capitalism in space: SpaceX this morning successfully used its Falcon 9 rocket to send another 53 Starlink satellites into orbit.

The first stage completed its fifth mission, landing on the drone ship.

The leaders in the 2022 launch race:

21 SpaceX
15 China
6 Russia
3 Rocket Lab
2 ULA

The U.S. now leads China 29 to 15 in the national rankings, and the entire world combined 29 to 24.

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Aerojet Rocketdyne reprimands its executive chairman for trying to oust CEO

During the failed effort of Lockheed Martin to buy Aerojet Rocketdyne late last year, it appears Aerojet’s executive chairman, Warren Lichtenstein, made improper public and private attempts to enlist others to replace the company’s CEO, Eileen Drake, even though the board had not authorized a search for a new CEO and had in fact issued a memo telling Lichtenstein not to look for one.

Yesterday a formal investigation [pdf] came to that conclusion, and reprimanded Lichtenstein for those actions.

Mr. Lichtenstein acted improperly in taking those actions, including by failing to follow the directives given to him in the Guidance Memo. This memorandum is a formal reprimand for that conduct, and a
mandate to Mr. Lichtenstein that he comply with the Companyโ€™s Code of Conduct and make no statements or communications to persons external to the Company concerning the Companyโ€™s CEO, any search for a new CEO, management tenure or succession generally, or the strategic direction of the Company, unless (i) specifically pre-approved by the Board, (ii) the statements or communications are made to stockholders as part of his efforts concerning the election of directors at the next annual meeting, or (iii) the statements or communications are made as part of his efforts seeking suitable persons to serve as CEO of the Company in the event his nominees are elected.

While most of this is typical corporate office politics, it does reflect badly on the management at Aerojet Rocketdyne. It appears the board is not working together well. For example, Lichtenstein claimed he had these discussions because he was concerned the merger — which he supported — would fail, and wanted to take actions to address those concerns. Apparently the board did not. Another example is the fight with Boeing over the valve problems in Starliner.

Since the merger failed, this rocket engine company is now on its own again. Though for awhile it seemed to be struggling, the recent deal with ULA for 116 engines appears to have put it on its feet again.

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Launcher fills customer list for first flight of its space tug

Capitalism in space: The startup space tug company Launcher announced yesterday that it has signed deals with ten customers, filling its manifest, for the first test flight of its Orbiter tug.

The tug and its payloads will be launched in October on a Falcon 9. Six of those customers, all cubesats, will be deployed into their preferred orbit by the tug, while four others are payloads that will simply ride on the tug.

The company is now selling planned future missions scheduled in ’23 on other Falcon 9 launches. It is also developing its own smallsat rocket, Launcher Light, with a planned first launch in ’24.

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Elon Musk gives another tour of Starbase

Tim Dodd of Everyday Astronaut has posted another 44 minute long interview with Elon Musk that took place as Musk gave him a recent tour at Boca Chica, walking around the base of the Starship and Superheavy boosters being prepared for that first orbital launch.

I have embedded the interview below. It has the following interesting take-aways:

  • In describing their decision to eliminate completely a separate attitude thrust system for Starship and instead use the fuels in the main tanks using controllable vents, Musk once again demonstrated his engineering philosophy that “the best part is no part.”
  • The company is definitely planning to test the deployment of some Starlink satellites on that first orbital test flight.
  • Musk once again emphasized that there is a high expectation that this first orbital flight will fail, but they are unbothered by this because this first ship is considered a prototype anyway that must be redesigned. Whether it completes its flight or not, the flight will tell them what needs to be done for future iterations.
  • They are aiming with Starship to reduce to cost to bring a ton to the surface of Mars from $1 billion to $100K. Musk called this improvement “insane” but entirely possible.
  • Musk also noted how the design of Starship is not like a plane, which wants to develop lift. Starship instead is designed to fall, but do so as “draggy” as possible. The goal is to shed as much velocity as possible, as soon as possible.

Dodd also notes this video is the first of a new series.
» Read more

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ISRO successfully tests human-rated solid rocket booster

India’s space agency ISRO announced on May 13, 2022 that it had successfully tested the man-rated version of the solid rocket strap-on booster used on its GSLV Mark 3 rocket that will launch its first manned mission into space.

The 20 m long and 3.2 m diameter booster is the worldโ€™s second-largest operational booster with solid propellant. During this test, about 700 parameters were monitored and the performance of all the systems was normal.

Launch of the Gaganyaan manned mission is now targeting ’23.

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FAA approves Huntsville airport as landing site for Dream Chaser

Capitalism in space: The FAA announced on May 13, 2022 that it has approved use of Huntsville International airport for landing Sierra Space’s reusable Dream Chaser cargo mini-shuttle, once it begins flying.

The approval covers “up to eight reentry operations at the airport from 2023 to 2027.” Though Sierra Space will still need to get its launch license from the FAA before those flights can happen, it looks like the company is finally getting close to the first flight of Tenacity, its first Dream Chaser ship.

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SpaceX launches 53 Starlink satellites on a new Falcon 9 rocket

Capitalism in space: SpaceX today successfully launched another 53 Starlink satellites, the company’s second launch in less than 24 hours.

The most newsworthy component of this launch is that for first time since February 2, 2022, and only the fourth time since the beginning of 2020, the Falcon 9 rocket used a new first stage, which successfully landed on its drone ship in the Atlantic. It appears that SpaceX is adding about two new boosters per year to its first stage fleet, based on the evidence from these launches.

The leaders in the 2022 launch race:

20 SpaceX
15 China
6 Russia
3 Rocket Lab
2 ULA

The U.S. now leads China 28 to 15 in the national rankings, and the entire world combined 28 to 24.

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SpaceX successfully launches another 53 Starlink satellites

Capitalism in space: SpaceX today successfully launched another 53 Starlink satellites, using a Falcon 9 first stage for the fifth time.

The first stage landed successfully on a drone ship.

The leaders in the 2022 launch race:

19 SpaceX
15 China
6 Russia
3 Rocket Lab
2 ULA

The U.S. now leads China 27 to 15 in the national rankings, as well as the entire world combined 27 to 24, leads that should widen in the next week with two more SpaceX launches as well as Boeing’s Starliner unmanned demo mission launch on ULA’s Atlas-5.

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Astra reveals vague details about its next larger rocket

Capitalism in space: In a public event in California yesterday Chris Kemp, CEO of the rocket startup Astra, revealed some vague details about the company’s new larger rocket, dubbed Rocket 4.0.

The vehicle will be able to place up to 300 kilograms into low Earth orbit and 200 kilograms into sun-synchronous orbit at a โ€œbase priceโ€ of $3.95 million. By contrast, Astraโ€™s current Rocket 3.3 vehicle can accommodate a small fraction of that payload, having to date launched only a few cubesats at a time.

…The biggest change in the rocket is its first stage propulsion. While Rocket 3.3 uses five of Astraโ€™s Delphin engines, generating a combined 35,000 pounds-force of thrust, Rocket 4.0 will use two larger engines that produce a combined 70,000 pounds-force of thrust.

Kemp’s presentation however did not reveal whether Astra is building it or whether the company is buying it from someone else. He did say the company does not plan to attempt ot reuse any portion of Rocket 4.0, saying that the economics did not work for Astra.

His presentation also suggested a first launch for late this year, using a mission control made up of only two people, what he called “a pilot and a co-pilot.”

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