SpaceXFalcon 9 Block 5Space Launch Complex 4E, Vandenberg SFB, CA, USA
Starlink Group 11-20
Launched
September 29, 2025 · 02:04 UTC
Image: SpaceX
Summary
Starlink Group 11-20 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 4E, Vandenberg SFB, CA, USA on September 29, 2025 at 02:04 UTC. The launch window ran from 23:32 to 03:32 UTC. It was SpaceX's 577th launch, 128th this year and humanity's 7,076th orbital launch attempt. It was the 485th Falcon 9 Block 5 flight and the 124th this year. Booster B1063 flew for the 28th time and landed at Of Course I Still Love You. The payload was bound for low Earth orbit (LEO). The tracked orbit of Starlink 35392, one of 28 catalogued objects, from October 8, 2025, was 314 × 315 km inclined 53.2°. 28 objects from this launch are catalogued, all of them payloads.
- Watch
- SpaceX Starlink Group 11-20The Space Devs
- Watch Live: SpaceX Falcon 9 rocket launches 28 Starlink satellites from CaliforniaSpaceflight Now
- Starlink MissionSpaceX
- Vehicle
- Falcon 9 Block 5 · SpaceXStarlink
- Booster
- Mission
- Communications · Low Earth Orbit (LEO)for SpX
- Milestone
- 485th Falcon 9 Block 5 flight · 124th this yearSpaceX's 577th launch128th this yearhumanity's 7,076th orbital launch attempt227th orbital launch attempt this year
Flight preview
Simulate in Flight ClubOrbit: as tracked
Starlink 35392 · NORAD 65823 · 2025-221 · Space-Track · tracking 1 of 28 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2025-221A
- Epoch
- 2025-10-08 15:04:00 UTC
- Mean motion
- 15.88298471 rev/day
- Eccentricity
- 0.000072
- Inclination
- 53.1555°
- Ascending node
- 80.2751°
- Arg. of perigee
- 120.0381°
- Mean anomaly
- 240.0716°
- Element set
- 999
- Rev at epoch
- 272
- B*
- 0.0029221874
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Flight timeline
- T−38MGO for Prop Load
- T−35MProp Load
- T−35MStage 1 LOX Load
- T−16MStage 2 LOX Load
- T−7MEngine Chill
- T−1MTank Press
- T−1MStartup
- T−45SGO for Launch
- T−3SIgnition
- T−0Liftoff
- T+1M12SMax-Q
- T+2M25SMECO
- T+2M28SStage 2 Separation
- T+2M35SSES-1
- T+2M56SFairing Separation
- T+6M6SEntry Burn Startup
- T+6M32SEntry Burn Shutdown
- T+8M1SStage 1 Landing Burn
- T+8M25SStage 1 Landing
- T+8M39SSECO-1
- T+53M19SSES-2
- T+53M20SSECO-2
- T+1H11SStarlink Deployment
Catalogued objects
28 catalogued: 28 payloads; 27 still in orbit
- Starlink 35392 · NORAD 65823 · in orbit
- Starlink 35281 · NORAD 65824 · in orbit
- Starlink 35397 · NORAD 65825 · in orbit
- Starlink 35381 · NORAD 65826 · in orbit
- Starlink 35393 · NORAD 65827 · in orbit
- Starlink 35396 · NORAD 65828 · in orbit
- Starlink 35244 · NORAD 65829 · in orbit
- Starlink 35368 · NORAD 65830 · in orbit
- Starlink 35337 · NORAD 65831 · in orbit
- Starlink 35277 · NORAD 65832 · in orbit
- Starlink 35345 · NORAD 65833 · in orbit
- Starlink 35320 · NORAD 65834 · in orbit
Show 16 more payloads
- Starlink 35349 · NORAD 65835 · in orbit
- Starlink 35356 · NORAD 65836 · in orbit
- Starlink 35314 · NORAD 65837 · in orbit
- Starlink 35324 · NORAD 65838 · in orbit
- Starlink 35102 · NORAD 65839 · in orbit
- Starlink 35364 · NORAD 65840 · in orbit
- Starlink 35238 · NORAD 65841 · re-entered January 29, 2026
- Starlink 35298 · NORAD 65842 · in orbit
- Starlink 35301 · NORAD 65843 · in orbit
- Starlink 35148 · NORAD 65844 · in orbit
- Starlink 35302 · NORAD 65845 · in orbit
- Starlink 35290 · NORAD 65846 · in orbit
- Starlink 35262 · NORAD 65847 · in orbit
- Starlink 35308 · NORAD 65848 · in orbit
- Starlink 35231 · NORAD 65849 · in orbit
- Starlink 35252 · NORAD 65850 · 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
220th launch from Space Launch Complex 4E, 46th this year · 834th from Vandenberg SFB, CA, USA
Local pad time at liftoff: Sep 28, 7:04 PM PDT, in twilight
303 launches from this pad · 919 from Vandenberg SFB, CA, USA
2 days 21 hours after the previous launch from this pad
Updates
Launch success.
Show 7 earlier updates
Liftoff.
Cosmic_Penguin · 9/29/2025 · source
Unofficial Re-stream by SPACE AFFAIRS has started
LL2 · 9/29/2025 · source
Now targeting Sep 29 at 02:04 UTC
Cosmic_Penguin · 9/29/2025 · source
Now targeting Sep 29 at 01:28 UTC
Cosmic_Penguin · 9/28/2025 · source
Launch time is accurate to the second.
Cosmic_Penguin · 9/28/2025 · source
GO for launch.
Cosmic_Penguin · 9/23/2025 · source
Added launch per marine navigation warnings.
Cosmic_Penguin · 9/19/2025 · source
Questions
When did Starlink Group 11-20 launch?
Starlink Group 11-20 launched on September 29, 2025 at 02:04 UTC. The launch window ran from 23:32 to 03:32 UTC.
Where can I watch Starlink Group 11-20?
Coverage: SpaceX Starlink Group 11-20; Watch Live: SpaceX Falcon 9 rocket launches 28 Starlink satellites from California; Starlink Mission. Watch the replay
What rocket launched Starlink Group 11-20?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did Starlink Group 11-20 launch from?
Space Launch Complex 4E, Vandenberg SFB, CA, USA. Liftoff was Sep 28, 7:04 PM PDT local time at the pad.
Did the booster land?
Booster B1063 flew for the 28th time and landed at Of Course I Still Love You.
What orbit did Starlink Group 11-20 reach?
The tracked orbit of Starlink 35392, one of 28 catalogued objects, from October 8, 2025, was 314 × 315 km inclined 53.2°.
How many satellites did Starlink Group 11-20 launch?
28 payloads from this launch are catalogued, 27 of them still in orbit (Data from J. McDowell, planet4589.org).
Which program is Starlink Group 11-20 part of?
Starlink. About Starlink