SpaceXFalcon 9 Block 5Space Launch Complex 40, Cape Canaveral SFS, FL, USA
Starlink Group 12-18
Launched
February 11, 2025 · 18:53 UTC
Image: SpaceX
Summary
Starlink Group 12-18 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 40, Cape Canaveral SFS, FL, USA on February 11, 2025 at 18:53 UTC. The launch window ran from 18:53 to 20:44 UTC. It was SpaceX's 469th launch, 20th this year and humanity's 6,880th orbital launch attempt. It was the 380th Falcon 9 Block 5 flight and the 19th this year. Booster B1077 flew for the 18th time and landed at Just Read the Instructions. The payload was bound for low Earth orbit (LEO). The tracked orbit of Starlink 11543, one of 21 catalogued objects, from February 18, 2025, was 322 × 325 km inclined 43.0°. 21 objects from this launch are catalogued, all of them payloads.
- Watch
- Vehicle
- Falcon 9 Block 5 · SpaceXStarlink
- Booster
- B1077 · flight 18 · Autonomous Spaceport Drone Ship at Just Read the Instructions · landed156/157 landed here · 35 days after its previous flight, Starlink Group 6-71 · 600 km downrange
- Mission
- Communications · Low Earth Orbit (LEO)for SpX
- Milestone
- 380th Falcon 9 Block 5 flight · 19th this yearSpaceX's 469th launch20th this yearhumanity's 6,880th orbital launch attempt31st orbital launch attempt this year
Flight preview
Simulate in Flight ClubOrbit: as tracked
Starlink 11543 · NORAD 62981 · 2025-031 · Space-Track · tracking 1 of 21 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2025-031A
- Epoch
- 2025-02-18 18:00:00 UTC
- Mean motion
- 15.84865677 rev/day
- Eccentricity
- 0.0002217
- Inclination
- 43.0048°
- Ascending node
- 159.5141°
- Arg. of perigee
- 291.3149°
- Mean anomaly
- 170.3595°
- Element set
- 999
- Rev at epoch
- 232
- B*
- -0.0028383
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+1M10SMax-Q
- T+2M24SMECO
- T+2M28SStage 2 Separation
- T+2M36SSES-1
- T+3M4SFairing Separation
- T+6M1SEntry Burn Startup
- T+6M29SEntry Burn Shutdown
- T+7M47SStage 1 Landing Burn
- T+8M11SStage 1 Landing
- T+8M39SSECO-1
- T+54M3SSES-2
- T+54M5SSECO-2
- T+1H5M12SStarlink Deployment
Catalogued objects
21 catalogued: 21 payloads; 21 still in orbit
- Starlink 11543 · NORAD 62981 · in orbit
- Starlink 11458 · NORAD 62982 · in orbit
- Starlink 11417 · NORAD 62983 · in orbit
- Starlink 11544 · NORAD 62984 · in orbit
- Starlink 11582 · NORAD 62985 · in orbit
- Starlink 11571 · NORAD 62986 · in orbit
- Starlink 11539 · NORAD 62987 · in orbit
- Starlink 11542 · NORAD 62988 · in orbit
- Starlink 11573 · NORAD 62989 · in orbit
- Starlink 11572 · NORAD 62990 · in orbit
- Starlink 11583 · NORAD 62991 · in orbit
- Starlink 11570 · NORAD 62992 · in orbit
Show 9 more payloads
- Starlink 11576 · NORAD 62993 · in orbit
- Starlink 32899 · NORAD 62994 · in orbit
- Starlink 32819 · NORAD 62995 · in orbit
- Starlink 32703 · NORAD 62996 · in orbit
- Starlink 32881 · NORAD 62997 · in orbit
- Starlink 32898 · NORAD 62998 · in orbit
- Starlink 32658 · NORAD 62999 · in orbit
- Starlink 32673 · NORAD 63000 · in orbit
- Starlink 32437 · NORAD 63001 · 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
288th launch from Space Launch Complex 40, 8th this year · 1,003rd from Cape Canaveral SFS, FL, USA
Local pad time at liftoff: Feb 11, 1:53 PM EST, 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 8 earlier updates
Unofficial Re-stream by SPACE AFFAIRS has started
LL2 · 2/11/2025 · source
Liftoff!
hitura-nobad · 2/11/2025 · source
Unofficial Re-stream by SPACE AFFAIRS has started
LL2 · 2/11/2025 · source
Tweaked T-0.
Cosmic_Penguin · 2/11/2025 · source
GO for launch.
Cosmic_Penguin · 2/11/2025 · source
New T-0.
Cosmic_Penguin · 2/11/2025 · source
Updated launch weather.
Cosmic_Penguin · 2/10/2025 · source
Added launch.
Cosmic_Penguin · 2/4/2025 · source
Questions
When did Starlink Group 12-18 launch?
Starlink Group 12-18 launched on February 11, 2025 at 18:53 UTC. The launch window ran from 18:53 to 20:44 UTC.
Where can I watch Starlink Group 12-18?
Coverage: SpaceX Starlink Group 12-18; SpaceX - Falcon 9 - Starlink 12-18 - SLC-40 - Cape Canaveral SFS - February 11, 2025; Watch live: SpaceX Falcon 9 rocket launches from Cape Canaveral with 21 Starlink satellites. Watch the replay
What rocket launched Starlink Group 12-18?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did Starlink Group 12-18 launch from?
Space Launch Complex 40, Cape Canaveral SFS, FL, USA. Liftoff was Feb 11, 1:53 PM EST local time at the pad.
Did the booster land?
Booster B1077 flew for the 18th time and landed at Just Read the Instructions.
What orbit did Starlink Group 12-18 reach?
The tracked orbit of Starlink 11543, one of 21 catalogued objects, from February 18, 2025, was 322 × 325 km inclined 43.0°.
How many satellites did Starlink Group 12-18 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 12-18 part of?
Starlink. About Starlink