In flight Falcon 9 Block 5 | USSF-481 Watch
Photo: Bill Ingalls · Public domain (US government)

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Starlink Group 15-23

Success Launch Successful SpaceX, Falcon 9 Block 5

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Mission: Starlink Group 15-23

Communications · Low Earth Orbit

A batch of 27 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

Customers: SpaceX

Where to watch

Official Webcast Starlink Mission SpaceX · English Unofficial Re-stream SpaceX Starlink Group 15-23 The Space Devs · English Unofficial Webcast Live: SpaceX Falcon 9 rocket from West Coast with 27 satellites for Starlink internet service Spaceflight Now · English Unofficial Webcast SpaceX Launches Falcon 9 Starlink 15-23 from Vandenberg NASASpaceflight · English

Timeline

  1. T−00:38:00 GO for Prop Load
  2. T−00:35:00 Stage 1 LOX Load
  3. T−00:35:00 Prop Load
  4. T−00:16:00 Stage 2 LOX Load
  5. T−00:07:00 Engine Chill
  6. T−00:01:00 Tank Press
  7. T−00:01:00 Startup
  8. T−00:00:45 GO for Launch
  9. T−00:00:03 Ignition
  10. T+00:00:00 Liftoff
  11. T+00:01:08 Max-Q
  12. T+00:02:25 MECO
  13. T+00:02:29 Stage 2 Separation
  14. T+00:02:36 SES-1
  15. T+00:02:57 Fairing Separation
  16. T+00:06:01 Entry Burn Startup
  17. T+00:06:25 Entry Burn Shutdown
  18. T+00:08:01 Stage 1 Landing Burn
  19. T+00:08:24 Stage 1 Landing
  20. T+00:08:38 SECO-1
  21. T+00:53:12 SES-2
  22. T+00:53:13 SECO-2
  23. T+01:02:04 Starlink Deployment

Updates

  • Launch success. source
  • Liftoff! source
  • Unofficial Re-stream by SPACE AFFAIRS has started source
  • Now targeting Sep 02 at 08:42 UTC source
  • Now targeting Sep 02 at 08:18 UTC source
  • Now targeting Sep 02 at 07:46 UTC source
  • Added launch. source