SpaceXFalcon 9 Block 5Space Launch Complex 40, Cape Canaveral SFS, FL, USA
Starlink Group 10-20
Launched
August 14, 2025 · 12:29 UTC
Image: SpaceX
Summary
Starlink Group 10-20 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 40, Cape Canaveral SFS, FL, USA on August 14, 2025 at 12:29 UTC. The launch window ran from 10:47 to 14:47 UTC. It was SpaceX's 551st launch, 102nd this year and humanity's 7,030th orbital launch attempt. It was the 460th Falcon 9 Block 5 flight and the 99th this year. Booster B1085 flew for the 10th time and landed at Just Read the Instructions. The payload was bound for low Earth orbit (LEO). The tracked orbit of Starlink 34981, one of 28 catalogued objects, from August 20, 2025, was 294 × 295 km inclined 53.2°. 28 objects from this launch are catalogued, all of them payloads.
- Watch
- Vehicle
- Falcon 9 Block 5 · SpaceXStarlink
- Booster
- Mission
- Communications · Low Earth Orbit (LEO)for SpX
- Milestone
- 460th Falcon 9 Block 5 flight · 99th this yearSpaceX's 551st launch102nd this yearhumanity's 7,030th orbital launch attempt181st orbital launch attempt this year
Flight preview
Simulate in Flight ClubOrbit: as tracked
Starlink 34981 · NORAD 65198 · 2025-176 · Space-Track · tracking 1 of 28 objects
Show the numbers for orbit elements
- Object
- STARLINK-34981
- Object ID
- 2025-176A
- Epoch
- 2025-08-20 16:00:01 UTC
- Mean motion
- 15.95367859 rev/day
- Eccentricity
- 0.0000526
- Inclination
- 53.1568°
- Ascending node
- 16.1476°
- Arg. of perigee
- 59.1756°
- Mean anomaly
- 88.3693°
- Element set
- 999
- Rev at epoch
- 220
- B*
- -0.00059004
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−1MTank Press
- T−1MStartup
- T−45SGO for Launch
- T−3SIgnition
- T−0Liftoff
- T+1M12SMax-Q
- T+2M24SMECO
- T+2M28SStage 2 Separation
- T+2M35SSES-1
- T+2M56SFairing Separation
- T+6M8SEntry Burn Startup
- T+6M32SEntry Burn Shutdown
- T+7M56SStage 1 Landing Burn
- T+8M20SStage 1 Landing
- T+8M38SSECO-1
- T+54M47SSES-2
- T+54M49SSECO-2
- T+1H4M9SStarlink Deployment
Catalogued objects
28 catalogued: 28 payloads; 28 still in orbit
- Starlink 34981 · NORAD 65198 · in orbit
- Starlink 34821 · NORAD 65199 · in orbit
- Starlink 34865 · NORAD 65200 · in orbit
- Starlink 34843 · NORAD 65201 · in orbit
- Starlink 34905 · NORAD 65202 · in orbit
- Starlink 34914 · NORAD 65203 · in orbit
- Starlink 34787 · NORAD 65204 · in orbit
- Starlink 34796 · NORAD 65205 · in orbit
- Starlink 34763 · NORAD 65206 · in orbit
- Starlink 34901 · NORAD 65207 · in orbit
- Starlink 34841 · NORAD 65208 · in orbit
- Starlink 34976 · NORAD 65209 · in orbit
Show 16 more payloads
- Starlink 34941 · NORAD 65210 · in orbit
- Starlink 34847 · NORAD 65211 · in orbit
- Starlink 34897 · NORAD 65212 · in orbit
- Starlink 34907 · NORAD 65213 · in orbit
- Starlink 34511 · NORAD 65214 · in orbit
- Starlink 33913 · NORAD 65215 · in orbit
- Starlink 34302 · NORAD 65216 · in orbit
- Starlink 34871 · NORAD 65217 · in orbit
- Starlink 34833 · NORAD 65218 · in orbit
- Starlink 34960 · NORAD 65219 · in orbit
- Starlink 34603 · NORAD 65220 · in orbit
- Starlink 34974 · NORAD 65221 · in orbit
- Starlink 34999 · NORAD 65222 · in orbit
- Starlink 34996 · NORAD 65223 · in orbit
- Starlink 34975 · NORAD 65224 · in orbit
- Starlink 34257 · NORAD 65225 · 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
328th launch from Space Launch Complex 40, 48th this year · 1,046th from Cape Canaveral SFS, FL, USA
Local pad time at liftoff: Aug 14, 8:29 AM EDT, in daylight
403 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
2 days 23 hours after the previous launch from this pad
Updates
Launch success.
Show 9 earlier updates
Liftoff.
Cosmic_Penguin · 8/14/2025 · source
Unofficial Re-stream by SPACE AFFAIRS has started
LL2 · 8/14/2025 · source
Weather is 90% favorable for launch.
Cosmic_Penguin · 8/14/2025 · source
Now targeting Aug 14 at 12:29 UTC
Cosmic_Penguin · 8/14/2025 · source
Launch time is accurate to the second.
Cosmic_Penguin · 8/14/2025 · source
Setting GO.
Cosmic_Penguin · 8/12/2025 · source
Delayed to NET August 14.
Cosmic_Penguin · 8/11/2025 · source
Delayed to NET August 13.
Cosmic_Penguin · 8/9/2025 · source
NET August 12.
Cosmic_Penguin · 8/8/2025 · source
Questions
When did Starlink Group 10-20 launch?
Starlink Group 10-20 launched on August 14, 2025 at 12:29 UTC. The launch window ran from 10:47 to 14:47 UTC.
Where can I watch Starlink Group 10-20?
Coverage: SpaceX Starlink Group 10-20; SpaceX - Falcon 9 - Starlink 10-20 - SLC-40 - Cape Canaveral SFS - August 14, 2025; Watch live: SpaceX Falcon 9 rocket launches from Cape Canaveral carrying 28 Starlink satellites. Watch the replay
What rocket launched Starlink Group 10-20?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did Starlink Group 10-20 launch from?
Space Launch Complex 40, Cape Canaveral SFS, FL, USA. Liftoff was Aug 14, 8:29 AM EDT local time at the pad.
Did the booster land?
Booster B1085 flew for the 10th time and landed at Just Read the Instructions.
What orbit did Starlink Group 10-20 reach?
The tracked orbit of Starlink 34981, one of 28 catalogued objects, from August 20, 2025, was 294 × 295 km inclined 53.2°.
How many satellites did Starlink Group 10-20 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 10-20 part of?
Starlink. About Starlink