SpaceXFalcon 9 Block 5Space Launch Complex 40, Cape Canaveral SFS, FL, USA
Starlink Group 10-21
Launched
October 26, 2025 · 15:00 UTC
Image: SpaceX
Summary
Starlink Group 10-21 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 40, Cape Canaveral SFS, FL, USA on October 26, 2025 at 15:00 UTC. The launch window ran from 14:05 to 18:05 UTC. It was SpaceX's 590th launch, 141st this year and humanity's 7,098th orbital launch attempt. It was the 497th Falcon 9 Block 5 flight and the 136th this year. Booster B1077 flew for the 24th time and landed at A Shortfall of Gravitas. The payload was bound for low Earth orbit (LEO). Starlink 35352, one of 28 catalogued objects, reached a 491 × 552 km orbit inclined 97.6°. 28 objects from this launch are catalogued, all of them payloads.
- Watch
- SpaceX Starlink Group 10-21The Space Devs
- Watch Live: SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Cape CanaveralSpaceflight Now
- SpaceX Launches Starlink 10-21 MissionNASASpaceflight
- Vehicle
- Falcon 9 Block 5 · SpaceXStarlink
- Booster
- B1077 · flight 24 · Autonomous Spaceport Drone Ship at A Shortfall of Gravitas · landed161/162 landed here · 56 days after its previous flight, Starlink Group 10-14 · 600 km downrange
- Mission
- Communications · Low Earth Orbit (LEO)for SpX
- Milestone
- 497th Falcon 9 Block 5 flight · 136th this yearSpaceX's 590th launch141st this yearhumanity's 7,098th orbital launch attempt249th orbital launch attempt this year
Flight preview
Simulate in Flight ClubOrbit: as tracked
Starlink 35352 · NORAD 66177 · 2025-243 · Space-Track · tracking 1 of 28 objects
Show the numbers for orbit elements
- Object
- OBJECT C
- Object ID
- 2025-242C
- Epoch
- 2025-10-26 09:41:17 UTC
- Mean motion
- 15.17165482 rev/day
- Eccentricity
- 0.0044551
- Inclination
- 97.611°
- Ascending node
- 12.4552°
- Arg. of perigee
- 134.5252°
- Mean anomaly
- 225.9635°
- Element set
- 999
- Rev at epoch
- 3
- B*
- 0.00021434
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile. Booster return drawn from padside's representative arc.
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+2M29SStage 2 Separation
- T+2M36SSES-1
- T+2M45SFairing Separation
- T+6M6SEntry Burn Startup
- T+6M28SEntry Burn Shutdown
- T+7M59SStage 1 Landing Burn
- T+8M23SStage 1 Landing
- T+8M39SSECO-1
- T+50M59SSES-2
- T+51MSECO-2
- T+1H21SStarlink Deployment
Catalogued objects
28 catalogued: 28 payloads; 28 still in orbit
- Starlink 35352 · NORAD 66177 · in orbit
- Starlink 35363 · NORAD 66178 · in orbit
- Starlink 35346 · NORAD 66179 · in orbit
- Starlink 35335 · NORAD 66180 · in orbit
- Starlink 35342 · NORAD 66181 · in orbit
- Starlink 35333 · NORAD 66182 · in orbit
- Starlink 35310 · NORAD 66183 · in orbit
- Starlink 35317 · NORAD 66184 · in orbit
- Starlink 35377 · NORAD 66185 · in orbit
- Starlink 35365 · NORAD 66186 · in orbit
- Starlink 35350 · NORAD 66187 · in orbit
- Starlink 35041 · NORAD 66188 · in orbit
Show 16 more payloads
- Starlink 34694 · NORAD 66189 · in orbit
- Starlink 34863 · NORAD 66190 · in orbit
- Starlink 35061 · NORAD 66191 · in orbit
- Starlink 34937 · NORAD 66192 · in orbit
- Starlink 35197 · NORAD 66193 · in orbit
- Starlink 35374 · NORAD 66194 · in orbit
- Starlink 34813 · NORAD 66195 · in orbit
- Starlink 35409 · NORAD 66196 · in orbit
- Starlink 35259 · NORAD 66197 · in orbit
- Starlink 35518 · NORAD 66198 · in orbit
- Starlink 35509 · NORAD 66199 · in orbit
- Starlink 35551 · NORAD 66200 · in orbit
- Starlink 35543 · NORAD 66201 · in orbit
- Starlink 35534 · NORAD 66202 · in orbit
- Starlink 35548 · NORAD 66203 · in orbit
- Starlink 35490 · NORAD 66204 · 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
343rd launch from Space Launch Complex 40, 63rd this year · 1,062nd from Cape Canaveral SFS, FL, USA
Local pad time at liftoff: Oct 26, 11:00 AM EDT, in daylight
403 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
2 days 13 hours after the previous launch from this pad
Updates
Launch success.
Show 9 earlier updates
Liftoff.
Cosmic_Penguin · 10/26/2025 · source
Now targeting Oct 26 at 15:00 UTC
Nosu · 10/26/2025 · source
Now targeting Oct 26 at 14:40 UTC
Cosmic_Penguin · 10/25/2025 · source
Weather is 85% favorable for launch.
Cosmic_Penguin · 10/25/2025 · source
Weather is 85% favorable for launch.
Nosu · 10/24/2025 · source
Now targeting Oct 26 at 14:05 UTC
Cosmic_Penguin · 10/22/2025 · source
Added launch window.
Cosmic_Penguin · 10/14/2025 · source
NET October 25.
Cosmic_Penguin · 10/13/2025 · source
Now targeting Oct 22 at 15:33 UTC
Cosmic_Penguin · 10/12/2025 · source
Questions
When did Starlink Group 10-21 launch?
Starlink Group 10-21 launched on October 26, 2025 at 15:00 UTC. The launch window ran from 14:05 to 18:05 UTC.
Where can I watch Starlink Group 10-21?
Coverage: SpaceX Starlink Group 10-21; Watch Live: SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Cape Canaveral; SpaceX Launches Starlink 10-21 Mission. Watch the replay
What rocket launched Starlink Group 10-21?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did Starlink Group 10-21 launch from?
Space Launch Complex 40, Cape Canaveral SFS, FL, USA. Liftoff was Oct 26, 11:00 AM EDT local time at the pad.
Did the booster land?
Booster B1077 flew for the 24th time and landed at A Shortfall of Gravitas.
What orbit did Starlink Group 10-21 reach?
Starlink 35352, one of 28 catalogued objects, reached a 491 × 552 km orbit inclined 97.6°.
How many satellites did Starlink Group 10-21 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 10-21 part of?
Starlink. About Starlink