SpaceXFalcon 9 Block 5Space Launch Complex 40, Cape Canaveral SFS, FL, USA
Starlink Group 12-21
Launched
March 13, 2025 · 02:35 UTC
Image: SpaceX
Summary
Starlink Group 12-21 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 40, Cape Canaveral SFS, FL, USA on March 13, 2025 at 02:35 UTC. The launch window ran from 02:20 to 06:51 UTC. It was SpaceX's 479th launch, 30th this year and humanity's 6,898th orbital launch attempt. It was the 389th Falcon 9 Block 5 flight and the 28th this year. Booster B1069 flew for the 22nd time and landed at A Shortfall of Gravitas. The payload was bound for low Earth orbit (LEO). The tracked orbit of Starlink 11602, one of 21 catalogued objects, from March 18, 2025, was 282 × 285 km inclined 43.0°. 21 objects from this launch are catalogued, all of them payloads.
- Watch
- Vehicle
- Falcon 9 Block 5 · SpaceXStarlink
- Booster
- B1069 · flight 22 · Autonomous Spaceport Drone Ship at A Shortfall of Gravitas · landed161/162 landed here · 36 days after its previous flight, Starlink Group 12-3 · 600 km downrange
- Mission
- Communications · Low Earth Orbit (LEO)for SpX
- Milestone
- 389th Falcon 9 Block 5 flight · 28th this yearSpaceX's 479th launch30th this yearhumanity's 6,898th orbital launch attempt49th orbital launch attempt this year
Flight preview
Simulate in Flight ClubOrbit: as tracked
Starlink 11602 · NORAD 63183 · 2025-048 · Space-Track · tracking 1 of 21 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2025-048A
- Epoch
- 2025-03-18 20:00:01 UTC
- Mean motion
- 15.99238409 rev/day
- Eccentricity
- 0.0002125
- Inclination
- 43.0059°
- Ascending node
- 311.295°
- Arg. of perigee
- 259.5033°
- Mean anomaly
- 74.9771°
- Element set
- 999
- Rev at epoch
- 206
- B*
- -0.00046865
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+1M13SMax-Q
- T+2M27SMECO
- T+2M31SStage 2 Separation
- T+2M38SSES-1
- T+3MFairing Separation
- T+6M20SEntry Burn Startup
- T+6M42SEntry Burn Shutdown
- T+8M1SStage 1 Landing Burn
- T+8M25SStage 1 Landing
- T+8M40SSECO-1
- T+53M58SSES-2
- T+54MSECO-2
- T+1H5M7SStarlink Deployment
Catalogued objects
21 catalogued: 21 payloads; 21 still in orbit
- Starlink 11602 · NORAD 63183 · in orbit
- Starlink 11617 · NORAD 63184 · in orbit
- Starlink 11618 · NORAD 63185 · in orbit
- Starlink 11646 · NORAD 63186 · in orbit
- Starlink 11622 · NORAD 63187 · in orbit
- Starlink 11642 · NORAD 63188 · in orbit
- Starlink 11639 · NORAD 63189 · in orbit
- Starlink 11637 · NORAD 63190 · in orbit
- Starlink 11647 · NORAD 63191 · in orbit
- Starlink 11643 · NORAD 63192 · in orbit
- Starlink 11635 · NORAD 63193 · in orbit
- Starlink 11636 · NORAD 63194 · in orbit
Show 9 more payloads
- Starlink 11631 · NORAD 63195 · in orbit
- Starlink 32946 · NORAD 63196 · in orbit
- Starlink 32960 · NORAD 63197 · in orbit
- Starlink 32904 · NORAD 63198 · in orbit
- Starlink 32931 · NORAD 63199 · in orbit
- Starlink 32934 · NORAD 63200 · in orbit
- Starlink 32938 · NORAD 63201 · in orbit
- Starlink 32935 · NORAD 63202 · in orbit
- Starlink 32930 · NORAD 63203 · in orbit
Data from J. McDowell, planet4589.org
About this launch
A batch of 21 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
294th launch from Space Launch Complex 40, 14th this year · 1,009th from Cape Canaveral SFS, FL, USA
Local pad time at liftoff: Mar 12, 10:35 PM EDT, at night
403 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
10 days after the previous launch from this pad
Updates
Launch success.
Show 9 earlier updates
Liftoff.
Cosmic_Penguin · 3/13/2025 · source
Unofficial Re-stream by SPACE AFFAIRS has started
LL2 · 3/13/2025 · source
New T-0.
Cosmic_Penguin · 3/12/2025 · source
Tweaked T-0.
Cosmic_Penguin · 3/12/2025 · source
Updated launch weather.
Cosmic_Penguin · 3/12/2025 · source
Delayed to March 13 UTC.
Cosmic_Penguin · 3/12/2025 · source
New T-0.
Cosmic_Penguin · 3/12/2025 · source
Scrubbed for the day due to high winds.
Cosmic_Penguin · 3/11/2025 · source
Launch on hold.
Cosmic_Penguin · 3/11/2025 · source
Questions
When did Starlink Group 12-21 launch?
Starlink Group 12-21 launched on March 13, 2025 at 02:35 UTC. The launch window ran from 02:20 to 06:51 UTC.
Where can I watch Starlink Group 12-21?
Coverage: SpaceX Starlink Group 12-21; SpaceX - Falcon 9 - Starlink 12-21 - SLC-40 - Cape Canaveral SFS - March 12, 2025; Watch Live: SpaceX Falcon 9 rocket launches 21 Starlink satellites from Cape Canaveral. Watch the replay
What rocket launched Starlink Group 12-21?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did Starlink Group 12-21 launch from?
Space Launch Complex 40, Cape Canaveral SFS, FL, USA. Liftoff was Mar 12, 10:35 PM EDT local time at the pad.
Did the booster land?
Booster B1069 flew for the 22nd time and landed at A Shortfall of Gravitas.
What orbit did Starlink Group 12-21 reach?
The tracked orbit of Starlink 11602, one of 21 catalogued objects, from March 18, 2025, was 282 × 285 km inclined 43.0°.
How many satellites did Starlink Group 12-21 launch?
21 payloads from this launch are catalogued, 21 of them still in orbit (Data from J. McDowell, planet4589.org).
Which program is Starlink Group 12-21 part of?
Starlink. About Starlink