Author Topic: SpaceX F9 : Starlink group 6-99 : KSC LC-39A : 17 December 2025 (13:42 UTC)  (Read 5696 times)

Online Galactic Penguin SST

Thread for the Starlink Group 6-99 launch.

Launch 17 December 2025, at 13:42:10 UTC (8:42 am EST), from KSC LC-39A, on booster 1094-6. The first stage successfully landed aboard Just Read The Instructions.

Payload 29 Starlink V2.0 Mini satellites, to a 42.99 degrees inclination orbit on a southeastern trajectory.  Initial orbit 263 x 274 km.

Please use the Starlink Discussion Thread for all general discussion on Starlink.

Check the Starlink Index Thread for links to more Starlink information.



L2 SpaceX: https://forum.nasaspaceflight.com/index.php?board=60.0
« Last Edit: 12/17/2025 04:02 pm by zubenelgenubi »
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https://www.spacex.com/launches/sl-6-99

Quote
SpaceX’s Falcon 9 is targeting the launch of 29 Starlink satellites to low-Earth orbit from Launch Complex 39A (LC-39A) at NASA's Kennedy Space Center in Florida.

A live webcast of this mission will begin about five minutes prior to liftoff, which you can watch here and on X @SpaceX. You can also watch the webcast on the X TV app.

This will be the sixth flight for the first stage booster supporting this mission, which previously launched Ax-4, Crew-11, Cygnus NG-23, and two Starlink missions. Following stage separation, the first stage will land on the Just Read the Instructions droneship, which will be stationed in the Atlantic Ocean.
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Offline zubenelgenubi

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https://celestrak.org/NORAD/elements/supplemental/
Supplemental GP Element Sets
Current as of 2025 Dec 12 18:17:31 UTC (Day 346)
Quote
Starlink G6-99 Pre-Launch   
Derived from a pre-launch Starlink-G6-99 state vector, provided by SpaceX. SupGP data is provided for the entire stack, as well as one for a single satellite.

Launch: 2025-12-15 13:11:00 UTC.
Deploy: 2025-12-15 14:16:11.400 UTC.
Launch window: 2025-12-15 13:11:00 UTC to 2025-12-15 17:11:00 UTC.

https://celestrak.org/NORAD/elements/supplemental/table.php?FILE=starlink-g6-99&FORMAT=tle
Pre-Launch Derived Orbit:
263 km x 274 km x 42.99 deg
« Last Edit: 12/12/2025 05:40 pm by zubenelgenubi »
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Weather (ground winds) at 40% GO at start of window and 80% towards the end:
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Offline Steven Pietrobon

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PDF of online press kit.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Here is a consolidated post of available video links for this launch:

SpaceX's direct live broadcast on
Website: https://www.spacex.com/launches/sl-6-99
 Twitter:  https://x.com/i/broadcasts/1kvJpMElqrLxE

NSF Live Coverage:  https://youtube.com/watch?v=JD05O8b1kKM

SpaceX Re-broadcast alternatives on YouTube:
Space Affairs:  https://youtube.com/watch?v=JD05O8b1kKM

Replay supplied by The Space Devs (15 min after the broadcast end):  https://youtube.com/@thespacedevs/videos

Summary Video provided by SciNews (15 min after the broadcast ends):  https://youtube.com/@SciNewsRo/videos

Post Launch Extras:

CelesTrak has ephemeris-based SupGP data: https://celestrak.org/NORAD/elements/supplemental/
Max-Qproductions by Pete Carstens: https://www.youtube.com/@maxqproductions1
PSA #3:  Paywall? View this video on how-to temporary Disable Java-Script: youtu.be/KvBv16tw-UM
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https://celestrak.org/NORAD/elements/supplemental/
Supplemental GP Element Sets
Current as of 2025 Dec 14 21:17:10 UTC (Day 348)
Quote
Starlink G6-99 Pre-Launch   
Derived from a pre-launch Starlink-G6-99 state vector, provided by SpaceX. SupGP data is provided for the entire stack, as well as one for a single satellite.

Launch: 2025-12-15 13:27:30 UTC.
Deploy: 2025-12-15 14:32:41.400 UTC.
Launch window: 2025-12-15 13:27:30 UTC to 2025-12-15 13:27:59 UTC.

Backup Launch Opportunity #1   
Launch: 2025-12-15 13:28:00 UTC.
Deploy: 2025-12-15 14:33:11.400 UTC.
Launch window: 2025-12-15 13:28:00 UTC to 2025-12-15 13:28:09 UTC.

Backup Launch Opportunity #2   
Launch: 2025-12-15 13:41:20 UTC.
Deploy: 2025-12-15 14:46:31.400 UTC.
Launch window: 2025-12-15 13:41:20 UTC to 2025-12-15 13:41:59 UTC.

Backup Launch Opportunity #3   
Launch: 2025-12-15 13:49:40 UTC.
Deploy: 2025-12-15 14:54:51.400 UTC.
Launch window: 2025-12-15 13:49:40 UTC to 2025-12-15 13:52:59 UTC.

Backup Launch Opportunity #4   
Launch: 2025-12-15 14:03:30 UTC.
Deploy: 2025-12-15 15:08:41.400 UTC.
Launch window: 2025-12-15 14:03:30 UTC to 2025-12-15 14:10:49 UTC.

Backup Launch Opportunity #5   
Launch: 2025-12-15 14:10:50 UTC.
Deploy: 2025-12-15 15:16:01.400 UTC.
Launch window: 2025-12-15 14:10:50 UTC to 2025-12-15 14:18:19 UTC.

Backup Launch Opportunity #6   
Launch: 2025-12-15 14:27:00 UTC.
Deploy: 2025-12-15 15:32:11.400 UTC.
Launch window: 2025-12-15 14:27:00 UTC to 2025-12-15 14:37:19 UTC.

Backup Launch Opportunity #7   
Launch: 2025-12-15 15:02:10 UTC.
Deploy: 2025-12-15 16:07:21.400 UTC.
Launch window: 2025-12-15 15:02:10 UTC to 2025-12-15 15:05:49 UTC.

Backup Launch Opportunity #8   
Launch: 2025-12-15 15:27:40 UTC.
Deploy: 2025-12-15 16:32:51.400 UTC.
Launch window: 2025-12-15 15:27:40 UTC to 2025-12-15 15:28:29 UTC.

Backup Launch Opportunity #9   
Launch: 2025-12-15 15:37:30 UTC.
Deploy: 2025-12-15 16:42:41.400 UTC.
Launch window: 2025-12-15 15:37:30 UTC to 2025-12-15 15:50:39 UTC.

Backup Launch Opportunity #10   
Launch: 2025-12-15 15:50:40 UTC.
Deploy: 2025-12-15 16:55:51.400 UTC.
Launch window: 2025-12-15 15:50:40 UTC to 2025-12-15 15:56:09 UTC.

Backup Launch Opportunity #11   
Launch: 2025-12-15 16:02:20 UTC.
Deploy: 2025-12-15 17:07:31.400 UTC.
Launch window: 2025-12-15 16:02:20 UTC to 2025-12-15 16:04:59 UTC.

Backup Launch Opportunity #12   
Launch: 2025-12-15 16:05:00 UTC.
Deploy: 2025-12-15 17:10:11.400 UTC.
Launch window: 2025-12-15 16:05:00 UTC to 2025-12-15 16:14:39 UTC.

Backup Launch Opportunity #13   
Launch: 2025-12-15 16:38:50 UTC.
Deploy: 2025-12-15 17:44:01.400 UTC.
Launch window: 2025-12-15 16:38:50 UTC to 2025-12-15 16:40:59 UTC.

Backup Launch Opportunity #14   
Launch: 2025-12-15 16:43:10 UTC.
Deploy: 2025-12-15 17:48:21.400 UTC.
Launch window: 2025-12-15 16:43:10 UTC to 2025-12-15 16:45:29 UTC.

Backup Launch Opportunity #15   
Launch: 2025-12-15 16:58:30 UTC.
Deploy: 2025-12-15 18:03:41.400 UTC.
Launch window: 2025-12-15 16:58:30 UTC to 2025-12-15 17:00:49 UTC.
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

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https://celestrak.org/NORAD/elements/supplemental/
Supplemental GP Element Sets
Current as of 2025 Dec 14 21:17:10 UTC (Day 348)

NextSpaceflight and SpaceX are showing 13:11:00 as the intended launch time, which doesn't match any of the above??
PSA #3:  Paywall? View this video on how-to temporary Disable Java-Script: youtu.be/KvBv16tw-UM
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Offline zubenelgenubi

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https://celestrak.org/NORAD/elements/supplemental/
Supplemental GP Element Sets
Current as of 2025 Dec 14 21:17:10 UTC (Day 348)

NextSpaceflight and SpaceX are [still] showing 13:11:00 as the intended launch time, which doesn't match any of the above??
Note my addition in [ ] to your post above.

IDK, but I suspect either the SpaceX clock has not yet been updated (has happened before),
OR Celestrak needs to update their data (has happened before).
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

Online catdlr

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https://celestrak.org/NORAD/elements/supplemental/
Supplemental GP Element Sets
Current as of 2025 Dec 14 21:17:10 UTC (Day 348)

NextSpaceflight and SpaceX are [still] showing 13:11:00 as the intended launch time, which doesn't match any of the above??
Note my addition in [ ] to your post above.

IDK, but I suspect either the SpaceX clock has not yet been updated (has happened before),
OR Celestrak needs to update their data (has happened before).

SpaceX just changed the countdown to TBD on their website for this launch, probably to adjust to your list.
PSA #3:  Paywall? View this video on how-to temporary Disable Java-Script: youtu.be/KvBv16tw-UM
A golden rule from Chris B:  "focus on what is being said, not disparage people who say it."

Online Galactic Penguin SST

Not yet officially confirmed, but both Celestrak and Ben Cooper are showing this delaying to the 16th:

https://celestrak.org/NORAD/elements/supplemental/
Supplemental GP Element Sets
Current as of 2025 Dec 15 00:46:26 UTC (Day 349)
Quote
Starlink G6-99 Pre-Launch   
Derived from a pre-launch Starlink-G6-99 state vector, provided by SpaceX. SupGP data is provided for the entire stack, as well as one for a single satellite.

Launch: 2025-12-16 12:45:00 UTC.
Deploy: 2025-12-16 13:50:11.400 UTC.
Launch window: 2025-12-16 12:45:00 UTC to 2025-12-16 12:47:29 UTC.


Backup Launch Opportunity #1
Launch: 2025-12-16 12:54:20 UTC.
Deploy: 2025-12-16 13:59:31.400 UTC.
Launch window: 2025-12-16 12:54:20 UTC to 2025-12-16 12:59:09 UTC.

Backup Launch Opportunity #2
Launch: 2025-12-16 12:59:20 UTC.
Deploy: 2025-12-16 14:04:31.400 UTC.
Launch window: 2025-12-16 12:59:20 UTC to 2025-12-16 12:59:29 UTC.

Backup Launch Opportunity #3
Launch: 2025-12-16 13:00:50 UTC.
Deploy: 2025-12-16 14:06:01.400 UTC.
Launch window: 2025-12-16 13:00:50 UTC to 2025-12-16 13:00:59 UTC.

Backup Launch Opportunity #4
Launch: 2025-12-16 13:11:00 UTC.
Deploy: 2025-12-16 14:16:11.400 UTC.
Launch window: 2025-12-16 13:11:00 UTC to 2025-12-16 13:14:49 UTC.

Backup Launch Opportunity #5
Launch: 2025-12-16 13:22:40 UTC.
Deploy: 2025-12-16 14:27:51.400 UTC.
Launch window: 2025-12-16 13:22:40 UTC to 2025-12-16 13:22:59 UTC.

Backup Launch Opportunity #6
Launch: 2025-12-16 13:30:40 UTC.
Deploy: 2025-12-16 14:35:51.400 UTC.
Launch window: 2025-12-16 13:30:40 UTC to 2025-12-16 13:34:09 UTC.

Backup Launch Opportunity #7
Launch: 2025-12-16 13:39:00 UTC.
Deploy: 2025-12-16 14:44:11.400 UTC.
Launch window: 2025-12-16 13:39:00 UTC to 2025-12-16 13:44:39 UTC.

Backup Launch Opportunity #8
Launch: 2025-12-16 13:44:40 UTC.
Deploy: 2025-12-16 14:49:51.400 UTC.
Launch window: 2025-12-16 13:44:40 UTC to 2025-12-16 13:47:59 UTC.

Backup Launch Opportunity #9
Launch: 2025-12-16 14:02:10 UTC.
Deploy: 2025-12-16 15:07:21.400 UTC.
Launch window: 2025-12-16 14:02:10 UTC to 2025-12-16 14:13:19 UTC.

Backup Launch Opportunity #10
Launch: 2025-12-16 14:13:20 UTC.
Deploy: 2025-12-16 15:18:31.400 UTC.
Launch window: 2025-12-16 14:13:20 UTC to 2025-12-16 14:17:59 UTC.

Backup Launch Opportunity #11
Launch: 2025-12-16 14:27:30 UTC.
Deploy: 2025-12-16 15:32:41.400 UTC.
Launch window: 2025-12-16 14:27:30 UTC to 2025-12-16 14:30:49 UTC.

Backup Launch Opportunity #12
Launch: 2025-12-16 14:31:00 UTC.
Deploy: 2025-12-16 15:36:11.400 UTC.
Launch window: 2025-12-16 14:31:00 UTC to 2025-12-16 14:31:09 UTC.

Backup Launch Opportunity #13
Launch: 2025-12-16 14:46:50 UTC.
Deploy: 2025-12-16 15:52:01.400 UTC.
Launch window: 2025-12-16 14:46:50 UTC to 2025-12-16 14:49:09 UTC.

Backup Launch Opportunity #14
Launch: 2025-12-16 14:56:40 UTC.
Deploy: 2025-12-16 16:01:51.400 UTC.
Launch window: 2025-12-16 14:56:40 UTC to 2025-12-16 15:01:49 UTC.

Backup Launch Opportunity #15
Launch: 2025-12-16 15:09:00 UTC.
Deploy: 2025-12-16 16:14:11.400 UTC.
Launch window: 2025-12-16 15:09:00 UTC to 2025-12-16 15:10:19 UTC.

Backup Launch Opportunity #16
Launch: 2025-12-16 15:10:20 UTC.
Deploy: 2025-12-16 16:15:31.400 UTC.
Launch window: 2025-12-16 15:10:20 UTC to 2025-12-16 15:10:29 UTC.

Backup Launch Opportunity #17
Launch: 2025-12-16 15:19:50 UTC.
Deploy: 2025-12-16 16:25:01.400 UTC.
Launch window: 2025-12-16 15:19:50 UTC to 2025-12-16 15:24:39 UTC.

Backup Launch Opportunity #18
Launch: 2025-12-16 15:24:40 UTC.
Deploy: 2025-12-16 16:29:51.400 UTC.
Launch window: 2025-12-16 15:24:40 UTC to 2025-12-16 15:26:49 UTC.

Backup Launch Opportunity #19
Launch: 2025-12-16 15:32:30 UTC.
Deploy: 2025-12-16 16:37:41.400 UTC.
Launch window: 2025-12-16 15:32:30 UTC to 2025-12-16 15:32:49 UTC.

Backup Launch Opportunity #20
Launch: 2025-12-16 15:42:20 UTC.
Deploy: 2025-12-16 16:47:31.400 UTC.
Launch window: 2025-12-16 15:42:20 UTC to 2025-12-16 15:53:19 UTC.

Backup Launch Opportunity #21
Launch: 2025-12-16 15:53:20 UTC.
Deploy: 2025-12-16 16:58:31.400 UTC.
Launch window: 2025-12-16 15:53:20 UTC to 2025-12-16 15:55:19 UTC.

Backup Launch Opportunity #22
Launch: 2025-12-16 16:01:20 UTC.
Deploy: 2025-12-16 17:06:31.400 UTC.
Launch window: 2025-12-16 16:01:20 UTC to 2025-12-16 16:07:19 UTC.

Backup Launch Opportunity #23
Launch: 2025-12-16 16:21:40 UTC.
Deploy: 2025-12-16 17:26:51.400 UTC.
Launch window: 2025-12-16 16:21:40 UTC to 2025-12-16 16:21:49 UTC.

Backup Launch Opportunity #24
Launch: 2025-12-16 16:21:50 UTC.
Deploy: 2025-12-16 17:27:01.400 UTC.
Launch window: 2025-12-16 16:21:50 UTC to 2025-12-16 16:22:59 UTC.

Backup Launch Opportunity #25
Launch: 2025-12-16 16:29:00 UTC.
Deploy: 2025-12-16 17:34:11.400 UTC.
Launch window: 2025-12-16 16:29:00 UTC to 2025-12-16 16:36:09 UTC.
« Last Edit: 12/15/2025 02:42 am by zubenelgenubi »
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and opportunity #0 match NextSpace Flight

Launch: 2025-12-16 12:45:00 UTC.
Deploy: 2025-12-16 13:50:11.400 UTC.
Launch window: 2025-12-16 12:45:00 UTC to 2025-12-16 12:47:29 UTC.
PSA #3:  Paywall? View this video on how-to temporary Disable Java-Script: youtu.be/KvBv16tw-UM
A golden rule from Chris B:  "focus on what is being said, not disparage people who say it."

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Probably the same poor weather forecast as delayed the Atlas launch.
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

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Probably the same poor weather forecast as delayed the Atlas launch.

Its' also delaying 6-82 tonight
PSA #3:  Paywall? View this video on how-to temporary Disable Java-Script: youtu.be/KvBv16tw-UM
A golden rule from Chris B:  "focus on what is being said, not disparage people who say it."

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« Last Edit: 12/15/2025 01:38 am by catdlr »
PSA #3:  Paywall? View this video on how-to temporary Disable Java-Script: youtu.be/KvBv16tw-UM
A golden rule from Chris B:  "focus on what is being said, not disparage people who say it."

Online Galactic Penguin SST

Delayed to December 17 per SpaceX's mission page.

Booster recovery weather risk might be the reason ("Moderate" risk for 16th & "Low-Moderate" for 17th).
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Delayed to December 17 per SpaceX's mission page.

Booster recovery weather risk might be the reason ("Moderate" risk for 16th & "Low-Moderate" for 17th).

https://www.spacex.com/launches/sl-6-99
Launch 17 December 12:19 to 16:19 UTC = 07:19 to 11:19 am EST
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

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Delayed to December 17 per SpaceX's mission page.

Booster recovery weather risk might be the reason ("Moderate" risk for 16th & "Low-Moderate" for 17th).

https://www.spacex.com/launches/sl-6-99
Launch 17 December 12:19 to 16:19 UTC = 07:19 to 11:19 am EST


Fog at VSFB doesn't seem as bad as wind.
PSA #3:  Paywall? View this video on how-to temporary Disable Java-Script: youtu.be/KvBv16tw-UM
A golden rule from Chris B:  "focus on what is being said, not disparage people who say it."

Offline zubenelgenubi

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Delayed to December 17 per SpaceX's mission page.

Booster recovery weather risk might be the reason ("Moderate" risk for 16th & "Low-Moderate" for 17th).
https://www.spacex.com/launches/sl-6-99
Launch 17 December 12:19 to 16:19 UTC = 07:19 to 11:19 am EST

https://celestrak.org/NORAD/elements/supplemental/
Supplemental GP Element Sets
Current as of 2025 Dec 15 22:17:56 UTC (Day 349)
Quote
Starlink G6-99 Pre-Launch   
Derived from a pre-launch Starlink-G6-99 state vector, provided by SpaceX. SupGP data is provided for the entire stack, as well as one for a single satellite.

Launch: 2025-12-17 12:22:20 UTC.
Deploy: 2025-12-17 13:27:31.400 UTC.
Launch window: 2025-12-17 12:22:20 UTC to 2025-12-17 12:23:29 UTC.


Backup Launch Opportunity #1   
Launch: 2025-12-17 12:23:30 UTC.
Deploy: 2025-12-17 13:28:41.400 UTC.
Launch window: 2025-12-17 12:23:30 UTC to 2025-12-17 12:35:49 UTC.

Backup Launch Opportunity #2   
Launch: 2025-12-17 12:52:50 UTC.
Deploy: 2025-12-17 13:58:01.400 UTC.
Launch window: 2025-12-17 12:52:50 UTC to 2025-12-17 13:03:29 UTC.

Backup Launch Opportunity #3   
Launch: 2025-12-17 13:18:20 UTC.
Deploy: 2025-12-17 14:23:31.400 UTC.
Launch window: 2025-12-17 13:18:20 UTC to 2025-12-17 13:18:39 UTC.

Backup Launch Opportunity #4   
Launch: 2025-12-17 13:18:40 UTC.
Deploy: 2025-12-17 14:23:51.400 UTC.
Launch window: 2025-12-17 13:18:40 UTC to 2025-12-17 13:20:19 UTC.

Backup Launch Opportunity #5   
Launch: 2025-12-17 13:20:20 UTC.
Deploy: 2025-12-17 14:25:31.400 UTC.
Launch window: 2025-12-17 13:20:20 UTC to 2025-12-17 13:31:49 UTC.

Backup Launch Opportunity #6   
Launch: 2025-12-17 13:42:10 UTC.
Deploy: 2025-12-17 14:47:21.400 UTC.
Launch window: 2025-12-17 13:42:10 UTC to 2025-12-17 13:43:49 UTC.


Backup Launch Opportunity #7   
Launch: 2025-12-17 13:43:50 UTC.
Deploy: 2025-12-17 14:49:01.400 UTC.
Launch window: 2025-12-17 13:43:50 UTC to 2025-12-17 13:47:09 UTC.

Backup Launch Opportunity #8   
Launch: 2025-12-17 13:47:10 UTC.
Deploy: 2025-12-17 14:52:21.400 UTC.
Launch window: 2025-12-17 13:47:10 UTC to 2025-12-17 13:48:39 UTC.

Backup Launch Opportunity #9   
Launch: 2025-12-17 14:01:10 UTC.
Deploy: 2025-12-17 15:06:21.400 UTC.
Launch window: 2025-12-17 14:01:10 UTC to 2025-12-17 14:01:29 UTC.

Backup Launch Opportunity #10   
Launch: 2025-12-17 14:01:30 UTC.
Deploy: 2025-12-17 15:06:41.400 UTC.
Launch window: 2025-12-17 14:01:30 UTC to 2025-12-17 14:15:39 UTC.

Backup Launch Opportunity #11   
Launch: 2025-12-17 14:30:00 UTC.
Deploy: 2025-12-17 15:35:11.400 UTC.
Launch window: 2025-12-17 14:30:00 UTC to 2025-12-17 14:37:29 UTC.

Backup Launch Opportunity #12   
Launch: 2025-12-17 14:55:00 UTC.
Deploy: 2025-12-17 16:00:11.400 UTC.
Launch window: 2025-12-17 14:55:00 UTC to 2025-12-17 14:56:59 UTC.

Backup Launch Opportunity #13   
Launch: 2025-12-17 14:57:00 UTC.
Deploy: 2025-12-17 16:02:11.400 UTC.
Launch window: 2025-12-17 14:57:00 UTC to 2025-12-17 14:58:19 UTC.

Backup Launch Opportunity #14   
Launch: 2025-12-17 14:59:40 UTC.
Deploy: 2025-12-17 16:04:51.400 UTC.
Launch window: 2025-12-17 14:59:40 UTC to 2025-12-17 15:09:59 UTC.

Backup Launch Opportunity #15   
Launch: 2025-12-17 15:19:00 UTC.
Deploy: 2025-12-17 16:24:11.400 UTC.
Launch window: 2025-12-17 15:19:00 UTC to 2025-12-17 15:19:29 UTC.

Backup Launch Opportunity #16   
Launch: 2025-12-17 15:19:30 UTC.
Deploy: 2025-12-17 16:24:41.400 UTC.
Launch window: 2025-12-17 15:19:30 UTC to 2025-12-17 15:23:29 UTC.

Backup Launch Opportunity #17   
Launch: 2025-12-17 15:26:40 UTC.
Deploy: 2025-12-17 16:31:51.400 UTC.
Launch window: 2025-12-17 15:26:40 UTC to 2025-12-17 15:27:09 UTC.

Backup Launch Opportunity #18   
Launch: 2025-12-17 15:27:10 UTC.
Deploy: 2025-12-17 16:32:21.400 UTC.
Launch window: 2025-12-17 15:27:10 UTC to 2025-12-17 15:29:09 UTC.

Backup Launch Opportunity #19   
Launch: 2025-12-17 15:41:00 UTC.
Deploy: 2025-12-17 16:46:11.400 UTC.
Launch window: 2025-12-17 15:41:00 UTC to 2025-12-17 15:41:29 UTC.
SpaceX countdown clock is currently T-0 17 December 12:19:00 UTC, window opening.
« Last Edit: 12/16/2025 11:32 pm by zubenelgenubi »
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

Offline zubenelgenubi

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SpaceX countdown clock is currently T-0 17 December 12:19:00 UTC, window opening.

https://www.spacex.com/launches/sl-6-99
New SpaceX T-0 13:42:10 UTC = 8:42:10 am EST
Backup Launch Opportunity #6   
Launch: 2025-12-17 13:42:10 UTC.
Deploy: 2025-12-17 14:47:21.400 UTC.
Launch window: 2025-12-17 13:42:10 UTC to 2025-12-17 13:43:49 UTC.
« Last Edit: 12/16/2025 11:38 pm by zubenelgenubi »
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

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