SpaceXFalcon 9 Block 5Space Launch Complex 4E, Vandenberg SFB, CA, USA
Starlink Group 11-25
Launched
December 4, 2025 · 20:42 UTC
Image: SpaceX
Summary
Starlink Group 11-25 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 4E, Vandenberg SFB, CA, USA on December 4, 2025 at 20:42 UTC. The launch window ran from 18:12 to 22:12 UTC. It was SpaceX's 610th launch, 161st this year and humanity's 7,139th orbital launch attempt. It was the 517th Falcon 9 Block 5 flight and the 156th this year. Booster B1097 flew for the 4th time and landed at Of Course I Still Love You. The payload was bound for low Earth orbit (LEO). The tracked orbit of Starlink 35866, one of 28 catalogued objects, from December 12, 2025, was 297 × 299 km inclined 53.2°. 28 objects from this launch are catalogued, all of them payloads.
- Watch
- Vehicle
- Falcon 9 Block 5 · SpaceXStarlink
- Booster
- B1097 · flight 4 · Autonomous Spaceport Drone Ship at Of Course I Still Love You · landed209/217 landed here · 17 days after its previous flight, Sentinel-6B · 574 km downrange
- Mission
- Communications · Low Earth Orbit (LEO)for SpX
- Milestone
- 517th Falcon 9 Block 5 flight · 156th this yearSpaceX's 610th launch161st this yearhumanity's 7,139th orbital launch attempt290th orbital launch attempt this year
Flight preview
Simulate in Flight ClubOrbit: as tracked
Starlink 35866 · NORAD 66878 · 2025-283 · Space-Track · tracking 1 of 28 objects
Show the numbers for orbit elements
- Object
- STARLINK-35866
- Object ID
- 2025-283A
- Epoch
- 2025-12-12 20:00:01 UTC
- Mean motion
- 15.94056149 rev/day
- Eccentricity
- 0.00008902
- Inclination
- 53.1549°
- Ascending node
- 73.5258°
- Arg. of perigee
- 57.5648°
- Mean anomaly
- 311.7036°
- Element set
- 999
- Rev at epoch
- 244
- B*
- -0.0033130057
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Flight timeline
- T+1M12SMax-Q
- T+2M25SMECO
- T+2M28SStage 2 Separation
- T+2M35SSES-1
- T+2M55SFairing Separation
- T+6M13SEntry Burn Startup
- T+6M39SEntry Burn Shutdown
- T+8M2SStage 1 Landing Burn
- T+8M27SStage 1 Landing
- T+8M39SSECO-1
- T+54M5SSES-2
- T+54M6SSECO-2
- T+1H57SStarlink Deployment
Catalogued objects
28 catalogued: 28 payloads; 28 still in orbit
- Starlink 35866 · NORAD 66878 · in orbit
- Starlink 35749 · NORAD 66879 · in orbit
- Starlink 35844 · NORAD 66880 · in orbit
- Starlink 35860 · NORAD 66881 · in orbit
- Starlink 35912 · NORAD 66882 · in orbit
- Starlink 35947 · NORAD 66883 · in orbit
- Starlink 36057 · NORAD 66884 · in orbit
- Starlink 35954 · NORAD 66885 · in orbit
- Starlink 35900 · NORAD 66886 · in orbit
- Starlink 35925 · NORAD 66887 · in orbit
- Starlink 35919 · NORAD 66888 · in orbit
- Starlink 35852 · NORAD 66889 · in orbit
Show 16 more payloads
- Starlink 35885 · NORAD 66890 · in orbit
- Starlink 35855 · NORAD 66891 · in orbit
- Starlink 35883 · NORAD 66892 · in orbit
- Starlink 36033 · NORAD 66893 · in orbit
- Starlink 35718 · NORAD 66894 · in orbit
- Starlink 35971 · NORAD 66895 · in orbit
- Starlink 35791 · NORAD 66896 · in orbit
- Starlink 36079 · NORAD 66897 · in orbit
- Starlink 36065 · NORAD 66898 · in orbit
- Starlink 36064 · NORAD 66899 · in orbit
- Starlink 36074 · NORAD 66900 · in orbit
- Starlink 36043 · NORAD 66901 · in orbit
- Starlink 35983 · NORAD 66902 · in orbit
- Starlink 36077 · NORAD 66903 · in orbit
- Starlink 36059 · NORAD 66904 · in orbit
- Starlink 36075 · NORAD 66905 · in orbit
Data from J. McDowell, planet4589.org
About this launch
A batch of 28 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Pad
Space Launch Complex 4E, Vandenberg SFB, CA, USA
234th launch from Space Launch Complex 4E, 60th this year · 848th from Vandenberg SFB, CA, USA
Local pad time at liftoff: Dec 4, 12:42 PM PST, in daylight
303 launches from this pad · 919 from Vandenberg SFB, CA, USA
2 days 15 hours after the previous launch from this pad
Updates
Launch success.
Show 9 earlier updates
Unofficial Re-stream by SPACE AFFAIRS has started
LL2 · 12/4/2025 · source
Liftoff.
Cosmic_Penguin · 12/4/2025 · source
Liftoff.
LL2 · 12/4/2025 · source
Now targeting Dec 04 at 20:42 UTC
Cosmic_Penguin · 12/4/2025 · source
Now targeting Dec 04 at 20:29 UTC
Cosmic_Penguin · 12/4/2025 · source
Now targeting Dec 04 at 20:25 UTC
Cosmic_Penguin · 12/3/2025 · source
Now targeting Dec 04 at 18:12 UTC
Cosmic_Penguin · 11/26/2025 · source
GO for launch.
Cosmic_Penguin · 11/24/2025 · source
Rescheduled for NET December 2.
Cosmic_Penguin · 11/20/2025 · source
Questions
When did Starlink Group 11-25 launch?
Starlink Group 11-25 launched on December 4, 2025 at 20:42 UTC. The launch window ran from 18:12 to 22:12 UTC.
Where can I watch Starlink Group 11-25?
Coverage: SpaceX Starlink Group 11-25; Watch Live: SpaceX to launch 28 Starlink satellites on Falcon 9 rocket from Vandenberg, California; Starlink Mission. Watch the replay
What rocket launched Starlink Group 11-25?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did Starlink Group 11-25 launch from?
Space Launch Complex 4E, Vandenberg SFB, CA, USA. Liftoff was Dec 4, 12:42 PM PST local time at the pad.
Did the booster land?
Booster B1097 flew for the 4th time and landed at Of Course I Still Love You.
What orbit did Starlink Group 11-25 reach?
The tracked orbit of Starlink 35866, one of 28 catalogued objects, from December 12, 2025, was 297 × 299 km inclined 53.2°.
How many satellites did Starlink Group 11-25 launch?
28 payloads from this launch are catalogued, 28 of them still in orbit (Data from J. McDowell, planet4589.org).
Which program is Starlink Group 11-25 part of?
Starlink. About Starlink