Space Stuff and Launch Info

AI Thread Summary
The discussion highlights the ongoing advancements and events in the aerospace sector, including the upcoming SpaceX Dragon launch and its significance for cargo delivery to the ISS. Participants share links to various articles detailing recent missions, such as NASA's Juno spacecraft studying Jupiter's Great Red Spot and the ExoMars mission's progress. There is also a focus on the collaboration between government and private sectors in space exploration, emphasizing the potential for technological advancements. Additionally, the conversation touches on intriguing phenomena like the WorldView-2 satellite's debris event and the implications of quantum communication technology demonstrated by China's Quantum Science Satellite. Overall, the thread serves as a hub for sharing and discussing significant aerospace developments.
  • #1,401
Polaris Dawn crew member Sarah Gillis provides orbital violin for Rey's Theme or Rey's Theme (at about video 0:25) with planetary accompaniment.
 
  • Love
Likes Jonathan Scott
Physics news on Phys.org
  • #1,403
Static fire test of New Glenn's second stage - progress towards its first launch.

An interesting article discussing how NASA chose to fund two crew capsules in 2014: In the room where it happened: When NASA nearly gave Boeing all the crew funding

Bad weather delayed Crew-9 to September 28. Once it docks with the ISS, the Starliner crew will have their own proper seats on a vehicle again.
This will be the fourth launch ever, and the first from the US, with 50% American and 50% Russian astronauts. Nick Hague was already on one of the other three, and also launched on one of the rare Soyuz flights with two American astronauts.


There are two major interplanetary flights coming up:

* Hera, October 7: It will do a Mars fly-by in March 2025 before entering an orbit around Didymos in December 2026. It will observe the aftermath of the DART impact on Dimorphos. Two cubesats will also land on it.

* Europa Clipper, October 10: Primarily studying Jupiter's moon Europa (from 2030 on), as the name suggests: The magnetic field environment, the chemistry of the surface and gases the moon ejects, radar measurements down to the ocean, and more. With a mass of 6 tonnes it is the largest interplanetary spacecraft ever built and at $5 billion it is the third-most expensive individual spacecraft ever (after JWST and Hubble, not counting modular space stations). Only a fully expendable Falcon Heavy can launch it. SLS would have the payload capability but there are concerns about vibrations and the $2 billion cost difference. It would delay Artemis, too.
 
  • #1,404
Crew-9 will launch in 2:30 (17:17 UTC), the crew is on board. NASA live coverage

The pre-launch conference has some interesting info, too.

Dragon has 4 parachutes. If one fails it's not changing the landing much. With 2 you get a rough but acceptable landing. With 1 it's survivable but you are probably not going to fly again. With 0? From now on, Dragon can use its launch escape system in that case, firing the SuperDraco thrusters to slow down. Certifying the thrusters for a landing would have delayed the program so much that SpaceX decided to use parachutes and abandon propulsive landing - but the requirements are probably lower in a scenario where the alternative is certain death. SpaceX had this emergency option for commercial customers before, but now NASA agreed to use it as well.

We got a picture of one of the backup seats for the Starliner crew. They will be removed once Crew-9 is at the ISS.
backupseat.png
This, combined with the delay of Crew-9 and all the other Starliner-induced activities, has made Crew-8 the longest Dragon flight so far. Dragon was originally certified for 210 days, but that has been increased to 240 days. Dragon Endeavour has been in space for 208 days on this flight.
 
  • #1,405
mfb said:
With 1 it's survivable but you are probably not going to fly again. With 0?
Reminds me of the old Bill Dana routine.

"Where will your space capsule be landing?"
"The state of Nevada"
"And if your parachute fails, what provisions have they made to break your fall?"
"The state of Nevada"
 
  • #1,406
Another anomaly with a Falcon 9 upper stage, this time at the deorbit burn (after deploying Crew-9 successfully).



In July, the first burn had the engine running while oxygen leaked, the re-ignition to circularize the orbit then failed. Dragon launches only use a single engine burn to deploy the spacecraft*, so the deorbit burn was the second use of the engine as well. The specific sensor line that caused the problem in July has been removed, but it could be a similar cause.

*this is less efficient, but simplifies the launch and allows an earlier release of Dragon. This flight is a good example why SpaceX and NASA chose this profile.
 
  • #1,407
That’s interesting that it’s on relight for both anomalies. And that it’s happening in such quick succession.

Wild speculation time: the emphasis on Starship/Superheavy is causing a brain drain on Falcon 9, doubly so with it being seen as a “mature” design. This is the most obvious manifestation of that brain drain.

I hope SpaceX is self-aware enough to recognize that and address it before the rot sets in too deeply (glares at Boeing).
 
  • Skeptical
  • Like
Likes bob012345 and Tom.G
  • #1,408
US FAA grounds SpaceX's Falcon 9 rocket after second-stage malfunction
https://www.reuters.com/technology/...et-after-second-stage-malfunction-2024-09-30/

WASHINGTON, Sept 30 (Reuters) - The U.S. Federal Aviation Administration on Monday said SpaceX must investigate why the second stage of its workhorse Falcon 9 rocket malfunctioned after a NASA astronaut mission on Saturday, grounding the rocket for the third time in three months.

After SpaceX on Saturday launched two astronauts to the International Space Station for NASA, the rocket body that had boosted the crew further into space failed to properly re-light its engine for its "deorbit burn," a routine procedure that discards the booster into the ocean after completing its flight.
 
  • #1,410
Mostly successful. It delivered the second stage to its target orbit. Something went wrong with one of the solid rocket motors, however. It started with an explosion apparently damaging or breaking the nozzle, followed by a very asymmetric pattern of the two solid rocket motors and some more debris flying off later.

1728043925476.png


1:50:26 in ULA's live coverage, this picture was taken from the NASASpaceflight coverage after launch as it has a better angle.

2:30:25: "We did however have an observation on SRB Number 1"
 
Last edited:
  • #1,411
mfb said:
the upper stage which will fly to an interplanetary orbit
Sorry, what's an interplanetary orbit?
 
  • #1,412
berkeman said:
Sorry, what's an interplanetary orbit?
I think the plan was originally to do a Mars launch but the payload wasn’t ready in time?
 
  • #1,413
Flyboy said:
I think the plan was originally to do a Mars launch but the payload wasn’t ready in time?
Vulcan was supposed to launch Dream Chaser to low Earth orbit but they payload wasn't ready in time.
New Glenn was supposed to launch EscaPADE to Mars but the rocket wasn't ready in time (and is still not ready).

ULA just launched into a trajectory that leaves Earth. No specific target.
 
  • #1,414
mfb said:
Vulcan was supposed to launch Dream Chaser to low Earth orbit but they payload wasn't ready in time.
New Glenn was supposed to launch EscaPADE to Mars but the rocket wasn't ready in time (and is still not ready).

ULA just launched into a trajectory that leaves Earth. No specific target.
Ahhhh, okay, got the BE-4 powered birds mixed up. 😆
 
  • #1,415
mfb said:
Vulcan was supposed to launch Dream Chaser to low Earth orbit
mfb said:
New Glenn was supposed to launch EscaPADE to Mars
Flyboy said:
got the BE-4 powered birds mixed up.
You guys talk funny...
 
  • #1,416
Some analysis:



The rocket adjusted its flight a lot to compensate. It altered its orientation to stay on the flight path. It kept the boosters attached a bit longer so they would drop down close to their original splashdown site. The upper stage burned longer to make up for the lost thrust.

We'll have to see if that flight was good enough to certify Vulcan for national security launches. At least the Vulcan version without solid rocket motors should be fine. Maybe they can do more tests on the ground to finish certification.


No update on Falcon 9 yet, but both Hera and Europa Clipper continue their launch preparations, so SpaceX doesn't expect a longer downtime.
 
  • #1,417
mfb said:
Some analysis:



The rocket adjusted its flight a lot to compensate. It altered its orientation to stay on the flight path. It kept the boosters attached a bit longer so they would drop down close to their original splashdown site. The upper stage burned longer to make up for the lost thrust.

We'll have to see if that flight was good enough to certify Vulcan for national security launches. At least the Vulcan version without solid rocket motors should be fine. Maybe they can do more tests on the ground to finish certification.

I think this was a HUGE demonstration of how capable the core and upper stages are, that they could adapt to this scenario and not lose the vehicle.

That said, some sheer dumb luck that the nozzle coming apart didn’t hit the engines or tankage on the core. Northrup Grumman Innovation Systems has a lot of investigating to do.
 
  • #1,418
berkeman said:
Sorry, what's an interplanetary orbit?
"Interplaneyary trajectory" might be less confusing, but these are solar orbits. Solar orbits designed to approach a planet, but solar orbits nevertheless. There have only been 5 probes that left solar orbit with a possibility of a sixth in space now.
 
  • Like
Likes Astronuc and berkeman
  • #1,419
It's not approaching a planet and it's not leaving the Solar System - or at least neither one is planned. A close approach with at least one planet (most likely Earth) in the next few million years is almost guaranteed for everything launched from Earth that doesn't do maneuvers later: Its orbit is still intersecting Earth's orbit.

SpaceX has finished its investigation of the misbehaving deorbit burn. The FAA still needs to approve it, but for now they have made an exception for Hera. Its launch can go ahead. There won't be a deorbit burn as the second stage will leave Earth. We can expect a similar exception for Europa Clipper if that's still needed, but NASA might want to delay the launch a bit anyway.
 
  • #1,421
Vanadium 50 said:
There have only been 5 probes that left solar orbit with a possibility of a sixth in space now.
By my count, only 2. Voyager 1 and 2 have done it by exceeding solar escape velocity. None have done it by colliding with the sun.
 
  • #1,422
Pioneer 10 and 11 and New Horizons are the others. For Ulysses we don't know its future trajectory as it can get close to Jupiter.

The upper stage that launched New Horizons escapes, too.
 
  • #1,423
Last edited:
  • #1,425
Good launch. In this flight the boosters were discarded to get maximum performance out of the engines but this is the sixth flight of these boosters according to the video.
 
  • #1,426
They flew on more than half of all Falcon Heavy missions (6/11), including Psyche a year ago.
At the moment there is just a single Falcon Heavy mission scheduled for 2025, Griffin Mission 1 in September, although military satellites might be added on short notice. There should be more flights in 2026 again.

Still waiting for good weather to land Crew-8, and waiting for Blue Origin to resolve some GPS issue on New Shepard.

In the meantime SpaceX has launched two Starlink missions. They launched 4 rockets from 4 launch pads within 48 hours and recovered 3 boosters (1*Starship, 2*Falcon 9).
 
  • #1,427
6th flight of Starship on November 18. This is just 5 weeks after the previous launch.

The flight profile will be the same as for the fifth flight, but with an added ship engine relight attempt in space. The reentry will be a bit steeper to push the heat shield closer to its limits. Ideally not beyond that. And of course there will be hundreds of smaller improvements to various components and procedures.

The launch window is in the afternoon this time, so reentry over the Indian Ocean will be in daylight.

Flight 7 will be the first flight of "v2". If the relight test of flight 6 is successful, it's possible this one will enter a proper orbit and then de-orbit later. It might even deploy a Starlink satellite prototype (SpaceX is building a larger version for Starship). Don't expect that within 5 weeks, however - larger changes need more time and new FAA approvals, too.

SpaceX video of flight 5.

Edit: Delayed to November 19. Same thing a day later.
 
Last edited:
  • #1,429
A communication problem with the launch tower stopped a second catch attempt, the booster made a soft splashdown in the ocean instead.

The ship flight worked well. The Raptor re-light in space was a success, enabling future missions to stay in orbit for longer. Despite using an older heat shield, removing over 2000 tiles and weakening some areas deliberately, the ship landed safely on target in the ocean. One area of one flap got pretty hot.

SpaceX got approval for up to 25 flights per year. It's also approving the v2 and v3 versions in general. They still need to apply for a launch license for every flight, but this document says that a license can be granted and clears some of the topics common across flights.
 
  • #1,430
SpaceX has launched 17 times in November and 19 times in the last 31 days. It's an outlier compared to the rest of the year, but the 2023 record was already broken earlier in October. They'll probably end up with 135-140 launches, up from 98 last year.

The first New Glenn is at the launch pad. Officially it's still aiming at a December launch.

Dragonfly will launch on Falcon Heavy. Vulcan was eligible to bid but Falcon Heavy has a better track record. Reliability is key if your payload costs over $3 billion. It will become the second vehicle to make atmospheric flights not on Earth, unless some new Mars helicopter sneaks in earlier.
 
  • Like
Likes Tom.G and OCR
  • #1,432
Update on the Artemis 1 heat shield issue and future timeline
The heat shield develops gas internally as it heats up. That gas couldn't escape well, cracking the material and leading to fragments breaking off. Artemis 2 will use the same heat shield (it's already installed) but an adjusted reentry trajectory to mitigate that issue.

Artemis 2 is now targeting April 2026 and Artemis 3 is planned for mid 2027.

Longer article about Isaacman and what it means for NASA

The Space Launch System might be cancelled - potentially even for Artemis 2 already. New Glenn could launch Orion and Vulcan could launch a kick stage to get Orion to the Moon. One extra launch, but it's far cheaper than SLS.
 
  • #1,436
This one’s on SpaceX. Quit beating a dead space capsule horse
 
  • #1,437
Endurance landed in March, it should be ready to fly again by now. Not sure why they don't use that.
 
  • #1,438
Flyboy said:
This one’s on SpaceX. Quit beating a dead space capsule horse
Not sure if that was tongue-in-cheek, but once when skiing in the rockies I saw a sign that warned against going off-trail, saying "Rescue, if possible, will be expensive." You go past that sign 100% at your own risk.
 
Last edited:
  • #1,439
russ_watters said:
Not sure if that was tongue-in-cheek, but once when skiing in the rockies I saw a sign that warned against going off-trail, saying "Rescue, if possible, will be expensive." You go past that sign 100% at your own risk.
It was tongue in cheek. I would rather they take their time to make sure they can get the crew home safely than to rush things to keep to an arbitrary schedule. NASA has a bad track record on that, to the tune of 17 lives. 😒

I just don’t see the point in continuing to claim that they’re “not stranded” with an emphasis on the quotes. They’re safe, they’re able to come home at need, and continuing to fixate and beat on Boeing for whatever the faults that are delaying their return further, even if implied, is not helping anyone, not even SpaceX.
 
  • Like
Likes AlexB23 and russ_watters
  • #1,441
The race is on, who can delay their launch more?

New Glenn is now scheduled for January 12, 6:00 UTC (latest delay due to landing zone weather)
Starship is now scheduled for January 13, 22:00 UTC (unknown reason)

There is also Blue Ghost (flying on Falcon 9) scheduled for January 15 6:00 UTC, a lunar lander by Firefly.


Edit: New Glenn shifted to January 13, Starship shifted to January 15.
 
Last edited:
  • #1,442
New Glenn launch coverage - currently in a hold at T-20 minutes to chill the engines. It might actually launch this time.
Edit: Now counting down from T-30 minutes again.
Edit2: Down to -7 minutes, for the first time the go/no-go poll at -10 minutes was crossed.
Edit3: Liftoff!

Starship shifted to January 16, in 16 hours. I think this is the closest they have been to a launch, too.
 
Last edited:
  • Like
Likes Astronuc and berkeman
  • #1,443
The upper stage reached orbit. The mission will go on for a few more hours, but the primary goal has been reached.

The booster was lost, we don't know yet why or when - telemetry stopped during atmospheric reentry, but that's not necessarily where the booster stopped working.

Edit: Next flight is planned in spring.
 
Last edited:
  • #1,444
AP News - Jeff Bezos’ New Glenn rocket reaches orbit on first test flight
https://apnews.com/article/blue-origin-new-glenn-rocket-jeff-bezos-2466fb0e114a09d88a46f71a1e647d50

CAPE CANAVERAL, Fla. (AP) — Blue Origin launched its massive new rocket on its first test flight Thursday, sending up a prototype satellite to orbit thousands of miles above Earth.

Named after the first American to orbit Earth, the New Glenn rocket blasted off from Florida, soaring from the same pad used to launch NASA’s Mariner and Pioneer spacecraft a half-century ago.

Years in the making with heavy funding by Amazon founder Jeff Bezos, the 320-foot (98-meter) rocket carried an an experimental platform designed to host satellites or release them into their proper orbits.

All seven main engines fired at liftoff as the rocket blazed through the predawn sky to the delight of spectators lining nearby beaches. Bezos took part in the action from Mission Control and Blue Origin employees erupted in cheers once the craft successfully reached orbit 13 minutes later, a feat that drew praise from SpaceX’s Elon Musk.

New Glenn was supposed to fly before dawn Monday, but ice buildup in critical plumbing caused a delay. The rocket is built to haul spacecraft and eventually astronauts to orbit and also the moon.
Ice on cryogenic systems is still a problem.

For this test, the satellite was meant to remain inside the second stage while circling Earth. Plans called for the second stage to be placed in a safe condition to stay in a high, out-of-the-way orbit in accordance with NASA’s practices for minimizing space junk.
Returning space debris, e.g., decommissioned satellites are a continuing concern.
 
  • #1,445
Starship launched. Booster made a successful catch, but Starship lost contact after possible fire. No official word yet.
 
  • #1,446
Starship launched. Booster catch (second time this succeeded), but the ship lost its engines one by one and then telemetry was lost. Looks like the ship is gone. This was the first version 2 ship.
 
  • #1,448
Well that's pretty if nothing else.
 
  • #1,449
mfb said:
Debris from the ship reentering the atmosphere
"Honey, I sure am glad we came down to the Turks and Caicos for our winter vacation"

"Yeah, it's so much warmer and relaxing here on the beach."

"Oh look, they have fireworks too! Oooo!"

"Um, they're coming this way..."

"Get under the beach umbrella!!!" :nb)
 
  • Haha
  • Like
Likes AlexB23 and Astronuc
  • #1,450
Its trajectory avoids inhabited land. The debris is ~100 km up, so even with a relatively steep angle it's still far away.

View from a cruise ship

It caused some chaos for aircraft who planned to fly through the area after the launch. You don't want to do that when it's not clear if all debris has hit the ocean yet.
 
Back
Top