Author Topic: SpaceX F9 : Starlink group 11-30 : VSFB SLC-4E : 23 November 2025 (08:48 UTC)  (Read 15053 times)

Online catdlr

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Looks like one of the landing legs is damaged?

No, it appears fine.  All the same extension and angle

The video clip highlighted here showed a normal landing.  The flames are normal.


Landing clip

https://youtube.com/clip/UgkxgBlrMxxP1Kn6fOHd0LYPvR6-N1daCUsN?si=YjXOMhw2TOUXIlTp
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Offline unison8557

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Looks like one of the landing legs is damaged?

No, it appears fine.  All the same extension and angle

The video clip highlighted here showed a normal landing.  The flames are normal.


Landing clip

https://youtube.com/clip/UgkxgBlrMxxP1Kn6fOHd0LYPvR6-N1daCUsN?si=YjXOMhw2TOUXIlTp

I was looking at the left landing leg - it seemed like it was bouncing around right after landing. But looking closer it's obviously just an artifact making it vibrate just a little out of sync with the rest of the frame.
« Last Edit: 11/23/2025 08:36 am by unison8557 »

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https://twitter.com/spacecoastwest/status/1992530774634201581

Quote
Magnus B - Space Coast West
@spacecoastwest
The 100th Falcon 9 booster, B1100 delivers its first payload with the launch of Starlink 11-30 and 28 Starlink satellites to a low earth orbit from SLC-4E at Vandenberg Space Force Base in California
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Looks like one of the landing legs is damaged?

No, it appears fine.  All the same extension and angle

The video clip highlighted here showed a normal landing.  The flames are normal.


Landing clip

https://youtube.com/clip/UgkxgBlrMxxP1Kn6fOHd0LYPvR6-N1daCUsN?si=YjXOMhw2TOUXIlTp

I was looking at the left landing leg - it seemed like it was bouncing around right after landing. But looking closer it's obviously just an artifact making it vibrate just a little out of sync with the rest of the frame.

Bouncing is typical. Remember, it is not a hover with a soft landing; it is a hoverslam designed to land just as the engine turns off. Depending on the waves in the ocean, it may bounce and slide around. This is normal.


Here is one where it bounces and moves over a little

https://www.youtube.com/watch?v=7x2QJ9B_qH4
« Last Edit: 11/23/2025 08:53 am by catdlr »
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https://twitter.com/_rykllan/status/1992531770445856928


Quote
rykllan
@_rykllan
#Falcon9 fairing halves of #Starlink 11-30
« Last Edit: 11/23/2025 08:55 am by catdlr »
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https://twitter.com/SpaceX/status/1992532224684773542

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SpaceX
@SpaceX

Deployment of 28 @Starlink satellites confirmed

https://twitter.com/SpaceX/status/1992534055402066427

Quote
SpaceX
@SpaceXFalcon 9 launches 28 @Starlink satellites from California
« Last Edit: 11/23/2025 04:39 pm by catdlr »
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My coverage for tonight's launch is complete. This is Tony from NSF. Wishing you a wonderful morning! 
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Online Galactic Penguin SST

https://twitter.com/turkeybeaver/status/1992626203522437571

Kiko Dontchev confirms the booster ID:

Quote
This was the first flight of Booster 1100, the 100th Falcon 9 booster!
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Offline StraumliBlight

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https://x.com/turkeybeaver/status/1992626203522437571

Kiko Dontchev confirms the booster ID:

Quote
This was the first flight of Booster 1100, the 100th Falcon 9 booster!

Do the 7 Falcon 9 Block 1.0 boosters not count?

Online Galactic Penguin SST

https://twitter.com/spacecoastwest/status/1993053343250538917

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The 💯 Falcon 9 booster, B1100.1 returns to the Port of Long Beach following its first flight from Vandenberg Space Force Base in California.
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Online Galactic Penguin SST

Starlink satellites s/n 35956 (2025-271N/66629) was launched as part of the Group 11-30 launch.

https://twitter.com/Starlink/status/2001691802911289712

Quote
On December 17, Starlink experienced an anomaly on satellite 35956, resulting in loss of communications with the vehicle at 418 km. The anomaly led to venting of the propulsion tank, a rapid decay in semi-major axis by about 4 km, and the release of a small number of trackable low relative velocity objects. SpaceX is coordinating with the @USSpaceForce and @NASA to monitor the objects.
 
The satellite is largely intact, tumbling, and will reenter the Earth’s atmosphere and fully demise within weeks. The satellite's current trajectory will place it below the @Space_Station, posing no risk to the orbiting lab or its crew.
 
As the world’s largest satellite constellation operator, we are deeply committed to space safety. We take these events seriously. Our engineers are rapidly working to root cause and mitigate the source of the anomaly and are already in the process of deploying software to our vehicles that increases protections against this type of event.
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Offline StraumliBlight

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https://celestrak.org/NORAD/elements/supplemental/table.php?INTDES=2025-271

Jonathan McDowell Linkedin [Dec 18]

Quote
According to SpaceX, on Dec 17 one of the Group 11-30 satellites, Starlink 35956 (66629, 2025-271N), suffered a failure with venting of the propulsion tank and release of some debris objects. This is reflected in a 3km dip in the orbit tracking seen here
« Last Edit: 12/18/2025 09:05 pm by StraumliBlight »

Offline eeergo

What causes an EP (argon) tank to overpressurize and burst out ("venting" being a likely euphemism for bursting, given the debris field generated)?
-DaviD-

Offline eeergo

-DaviD-

Online catdlr

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https://x.com/astroEdLu/status/2002171311062425959

Quote
Ed Lu
@astroEdLu

We @LeoLabs_Space are tracking hundreds of debris objects associated with @starlink 35396. As per usual, these objects tend to spread out along the orbital track, and have already spread out over 6000km.
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Offline StraumliBlight

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https://x.com/astroEdLu/status/2002171311062425959

LeoLab Linkedin [Dec 19]

Quote
LeoLabs orbital diagnostics tools captured early evidence of the SpaceX Starlink 35956 fragment creation event on 17 Dec 2025.

We quickly assessed that the satellite’s initial drop in orbital altitude was likely caused by an internal energetic source rather than a collision with space debris or another object.

LeoLabs Global Radar Network immediately detected tens of objects in the vicinity of the satellite after the event. Additional fragments may have been produced — analysis is ongoing. Due to the low altitude of the event, fragments from this anomaly will likely de-orbit within a few weeks.

We’ll continue to monitor the situation and deliver safety information to operators as needed.

https://www.space-track.org

Quote
U.S. Space Forces-Space (S4S) has confirmed an anomalous debris event of STARLINK-35956 (INTLDES 2025-271, 66629), which likely occurred 18 Dec 25 at 0140 UTC. There is no assessed risk to the ISS. Analysis is ongoing. Please refer to SpaceX for additional information on this event.

https://twitter.com/michaelnicollsx/status/2002419447521562638

Quote
Imagery collected by Vantor’s WorldView-3 satellite about 1 day after the anomaly shows that @starlink Satellite 35956 is largely intact.  The 12-cm resolution image was collected over Alaska from 241 km away.  We appreciate the rapid response by @vantortech to provide this imagery.  Additional data suggest that there is a small number of trackable debris objects from the event, and we expect the satellite and debris to reenter and fully demise within weeks.

Vantor Linkedin [Dec 19]

Quote
We partnered with SpaceX to rapidly image a Starlink satellite following a reported on-orbit anomaly.
 
Within hours, we used our WorldView Space capability to collect a 12 cm non-Earth image that provided visual intelligence about the condition of the spacecraft. WorldView-3 was 241 km away from the Starlink when it collected this image, which shows the satellite is largely intact. SpaceX will use this image to further assess the spacecraft’s condition.
 
“Our Collection Planning team responded within hours to an urgent commercial customer request to gain visual intelligence on a satellite that had lost communications,” said Todd Surdey, EVP and General Manager of Enterprise and Emerging Products. “By leveraging our non-Earth imaging capabilities and expanded collection capacity, we were able to move quickly and provide confirmation that the satellite was mostly intact, enabling SpaceX to assess potential damage.”
 
This collection highlights how responsive space operations can deliver actionable insights in the most time-sensitive situations.
« Last Edit: 12/31/2025 12:27 pm by StraumliBlight »

Offline eeergo

https://bsky.app/profile/planet4589.bsky.social/post/3mcnzlbnwzs25

Quote from: planet4589.bsky.social
According to the US Space Force TIP (Target Impact Prediction) the Starlink 35956 satellite, which suffered an internal failure on Dec 18 and generated as-yet-uncataloged debris, has reentered over N Queensland and Papua New Guinea at about 0713 UTC Jan 17
-DaviD-

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