Starlink Group 6-99
Falcon 9 Block 5, SpaceX
Launch Complex 39A, Kennedy Space Center, FL, USA
Launch time
T-0
Wed 17 Dec, 14:42:10 CET
13:42:10 UTC
The rocket put its payload into the planned orbit.
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How sure is this date?
The source gives second precision. Launch plans can change.
Launch probability 95%
Weather concerns: Cumulus Cloud Rule
Launch record updated by LL2
Feed checkedMission
Starlink Group 6-99 on Falcon 9 Block 5. Wed 17 Dec 2025, 13:42:10 UTC. Reported outcome: Success. Launch site: Launch Complex 39A. Source: Launch Library 2.
A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
- Mission type
- Communications
- Orbit
- Low Earth Orbit
Programmes: Starlink

Mission patches
- Space X Starlink Mission Patch
Patch artwork is not shown because its image licence is unconfirmed.
Launch timeline
Times are relative to liftoff.
- T+1 min 12 s
Max-Q
Maximum dynamic pressure
- T+2 min 24 s
MECO
Cut-off of the main engine
- T+2 min 27 s
Stage 2 Separation
Separation of the second stage from the first
- T+2 min 35 s
SES-1
First start of the second engine
- T+2 min 56 s
Fairing Separation
Separation of the payload fairing
- T+6 min 7 s
Entry Burn Startup
Start of the atmospheric entry burn
- T+6 min 34 s
Entry Burn Shutdown
End of the atmospheric entry burn
- T+7 min 59 s
Stage 1 Landing Burn
Start of the first stage landing burn
- T+8 min 23 s
Stage 1 Landing
Landing of the first stage
- T+8 min 38 s
SECO-1
First cut-off of the second engine
- T+53 min 49 s
SES-2
Second start of the second engine
- T+53 min 51 s
SECO-2
Second cut-off of the second engine
- T+1 h 4 min 56 s
Starlink Deployment
Deployment of the Starlink stack from the rocket
Slip history
Changes recorded by Space Right Now
No changes since we started tracking on .
Source updates from Launch Library 2 (11)
Announcements supplied by LL2 may predate our tracking. They are separate from changes observed by Space Right Now.
- LL2 update
Launch success.
Read the source update - LL2 update
Liftoff.
Read the source update - LL2 update
Unofficial Re-stream by SPACE AFFAIRS has started
Read the source update - LL2 update
Unofficial Re-stream by SPACE AFFAIRS has started
Read the source update - LL2 update
Now targeting Dec 17 at 13:42 UTC
Read the source update - LL2 update
Now targeting Dec 17 at 12:19 UTC
Read the source update - LL2 update
Confirmed rescheduled for December 16.
Read the source update - LL2 update
Delayed to December 16, to be officially confirmed.
Read the source update - LL2 update
Updated launch weather, 40% GO at start of window (80% at end).
Read the source update - LL2 update
Now targeting Dec 15 at 13:11 UTC
Read the source update - LL2 update
Added launch.
Read the source update
Launch pad
Launch Complex 39A
Kennedy Space Center, FL, USA (US)
Coordinates: 28.60822681, -80.60428186
View launch pad on a map