Falcon 9 Block 5 | Starlink Group 12-20

A batch of 21 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

Communications · Low Earth Orbit (LEO)

• B1086 · flight 5 · Autonomous Spaceport Drone Ship @ Just Read the Instructions · landed ✓ · last flew Falcon 9 Block 5 | WorldView Legion 5 & 6 · zone record 156/157

• SpaceX Starlink Group 12-20 — The Space Devs
• SpaceX - Falcon 9 - Starlink 12-20 - SLC-40 - Cape Canaveral SFS - March 2, 2025 — SPACE AFFAIRS
• Watch live: SpaceX launches 21 Starlink satellites from Cape Canaveral on Falcon 9 rocket — Spaceflight Now
• Starlink Mission — SpaceX

1. T−38MGO for Prop Load
2. T−35MProp Load
3. T−35MStage 1 LOX Load
4. T−16MStage 2 LOX Load
5. T−7MEngine Chill
6. T−1MStartup
7. T−1MTank Press
8. T−45SGO for Launch
9. T−3SIgnition
10. P0DLiftoff
11. T+1M11SMax-Q
12. T+2M25SMECO
13. T+2M28SStage 2 Separation
14. T+2M36SSES-1
15. T+3M5SFairing Separation
16. T+6MEntry Burn Startup
17. T+6M26SEntry Burn Shutdown
18. T+7M47SStage 1 Landing Burn
19. T+8M13SStage 1 Landing
20. T+8M39SSECO-1
21. T+53M58SSES-2
22. T+54MSECO-2
23. T+1H5M7SStarlink Deployment

• Launch success.

  Cosmic_Penguin · 3/3/2025 · source

• Liftoff.

  Cosmic_Penguin · 3/3/2025 · source

• Updated launch weather, 90% GO.

  Cosmic_Penguin · 3/1/2025 · source

• GO for launch.

  Cosmic_Penguin · 3/1/2025 · source

• Tweaked T-0.

  Cosmic_Penguin · 2/28/2025 · source

• Delayed to NET March 3 UTC.

  Cosmic_Penguin · 2/28/2025 · source

• NET March 1 EST.

  Cosmic_Penguin · 2/26/2025 · source

• Added launch.

  Cosmic_Penguin · 2/18/2025 · source