SpaceXFalcon 9 Block 5Space Launch Complex 40, Cape Canaveral SFS, FL, USA
Starlink Group 10-27
Launched
September 21, 2025 · 10:53 UTC

Image: SpaceX
Summary
Starlink Group 10-27 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 40, Cape Canaveral SFS, FL, USA on September 21, 2025 at 10:53 UTC. The launch window ran from 09:20 to 13:20 UTC. It was SpaceX's 572nd launch, 123rd this year and humanity's 7,067th orbital launch attempt. It was the 480th Falcon 9 Block 5 flight and the 119th this year. Booster B1085 flew for the 11th time and landed at A Shortfall of Gravitas. The payload was bound for low Earth orbit (LEO). The tracked orbit of Starlink 35189, one of 28 catalogued objects, from October 7, 2025, was 361 × 364 km inclined 53.2°. 28 objects from this launch are catalogued, all of them payloads.
- Watch
- SpaceX Starlink Group 10-27The Space Devs
- Watch Live: SpaceX Falcon 9 rocket to launch 28 Starlink satellites from Cape CanaveralSpaceflight Now
- SpaceX Launches Starlink 10-27 MissionNASASpaceflight
- Vehicle
- Falcon 9 Block 5 · SpaceXStarlink
- Booster
- B1085 · flight 11 · Autonomous Spaceport Drone Ship at A Shortfall of Gravitas · landed161/162 landed here · 37 days after its previous flight, Starlink Group 10-20 · 600 km downrange
- Mission
- Communications · Low Earth Orbit (LEO)for SpX
- Milestone
- 480th Falcon 9 Block 5 flight · 119th this yearSpaceX's 572nd launch123rd this yearhumanity's 7,067th orbital launch attempt218th orbital launch attempt this year
Flight preview
Simulate in Flight ClubOrbit: as tracked
Starlink 35189 · NORAD 65676 · 2025-212 · Space-Track · tracking 1 of 28 objects
Show the numbers for orbit elements
- Object
- STARLINK-35189
- Object ID
- 2025-212A
- Epoch
- 2025-10-07 12:42:46 UTC
- Mean motion
- 15.71241029 rev/day
- Eccentricity
- 0.0002042
- Inclination
- 53.1573°
- Ascending node
- 339.2617°
- Arg. of perigee
- 196.147°
- Mean anomaly
- 163.9483°
- Element set
- 999
- Rev at epoch
- 371
- B*
- 0.0025389
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−35MStage 1 LOX Load
- T−35MProp Load
- T−16MStage 2 LOX Load
- T−7MEngine Chill
- T−1MStartup
- T−1MTank Press
- T−45SGO for Launch
- T−3SIgnition
- T−0Liftoff
- T+1M12SMax-Q
- T+2M24SMECO
- T+2M28SStage 2 Separation
- T+2M36SSES-1
- T+2M56SFairing Separation
- T+6M11SEntry Burn Startup
- T+6M37SEntry Burn Shutdown
- T+8MStage 1 Landing Burn
- T+8M24SStage 1 Landing
- T+8M39SSECO-1
- T+54M56SSES-2
- T+54M57SSECO-2
- T+1H4M18SStarlink Deployment
Catalogued objects
28 catalogued: 28 payloads; 28 still in orbit
- Starlink 35189 · NORAD 65676 · in orbit
- Starlink 35222 · NORAD 65677 · in orbit
- Starlink 35233 · NORAD 65678 · in orbit
- Starlink 35205 · NORAD 65679 · in orbit
- Starlink 35070 · NORAD 65680 · in orbit
- Starlink 35230 · NORAD 65681 · in orbit
- Starlink 35235 · NORAD 65682 · in orbit
- Starlink 34886 · NORAD 65683 · in orbit
- Starlink 34795 · NORAD 65684 · in orbit
- Starlink 35145 · NORAD 65685 · in orbit
- Starlink 35137 · NORAD 65686 · in orbit
- Starlink 34856 · NORAD 65687 · in orbit
Show 16 more payloads
- Starlink 34930 · NORAD 65688 · in orbit
- Starlink 34875 · NORAD 65689 · in orbit
- Starlink 34790 · NORAD 65690 · in orbit
- Starlink 34691 · NORAD 65691 · in orbit
- Starlink 34825 · NORAD 65692 · in orbit
- Starlink 35060 · NORAD 65693 · in orbit
- Starlink 35204 · NORAD 65694 · in orbit
- Starlink 35221 · NORAD 65695 · in orbit
- Starlink 34734 · NORAD 65696 · in orbit
- Starlink 35113 · NORAD 65697 · in orbit
- Starlink 35090 · NORAD 65698 · in orbit
- Starlink 35086 · NORAD 65699 · in orbit
- Starlink 35101 · NORAD 65700 · in orbit
- Starlink 35046 · NORAD 65701 · in orbit
- Starlink 35075 · NORAD 65702 · in orbit
- Starlink 34839 · NORAD 65703 · 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 40, Cape Canaveral SFS, FL, USA
336th launch from Space Launch Complex 40, 56th this year · 1,054th from Cape Canaveral SFS, FL, USA
Local pad time at liftoff: Sep 21, 6:53 AM EDT, in twilight
403 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
3 days 1 hour after the previous launch from this pad
Updates
Launch success.
Show 5 earlier updates
Questions
When did Starlink Group 10-27 launch?
Starlink Group 10-27 launched on September 21, 2025 at 10:53 UTC. The launch window ran from 09:20 to 13:20 UTC.
Where can I watch Starlink Group 10-27?
Coverage: SpaceX Starlink Group 10-27; Watch Live: SpaceX Falcon 9 rocket to launch 28 Starlink satellites from Cape Canaveral; SpaceX Launches Starlink 10-27 Mission. Watch the replay
What rocket launched Starlink Group 10-27?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did Starlink Group 10-27 launch from?
Space Launch Complex 40, Cape Canaveral SFS, FL, USA. Liftoff was Sep 21, 6:53 AM EDT local time at the pad.
Did the booster land?
Booster B1085 flew for the 11th time and landed at A Shortfall of Gravitas.
What orbit did Starlink Group 10-27 reach?
The tracked orbit of Starlink 35189, one of 28 catalogued objects, from October 7, 2025, was 361 × 364 km inclined 53.2°.
How many satellites did Starlink Group 10-27 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 10-27 part of?
Starlink. About Starlink
