Starlink Group 17-10

Mission

Starlink Group 17-10 on Falcon 9 Block 5. Sat 13 Sept 2025, 17:55:49 UTC. Reported outcome: Success. Launch site: Space Launch Complex 4E. Source: Launch Library 2.

A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

Mission type

Communications

Orbit

Low Earth Orbit

Launch timeline

Times are relative to liftoff.

1. T-38 minSat 13 Sept, 19:17 CEST

   GO for Prop Load

   Launch director verifies go for propellant load

2. T-35 minSat 13 Sept, 19:20 CEST

   Prop Load

   Start of propelland loading

3. T-35 minSat 13 Sept, 19:20 CEST

   Stage 1 LOX Load

   Start of liquid oxygen loading in the first stage

4. T-16 minSat 13 Sept, 19:39 CEST

   Stage 2 LOX Load

   Start of liquid oxygen loading in the second stage

5. T-7 minSat 13 Sept, 19:48 CEST

   Engine Chill

   Start of engine chilling

6. T-1 minSat 13 Sept, 19:54 CEST

   Tank Press

   Fuel tanks are pressurized to flight levels

7. T-1 minSat 13 Sept, 19:54 CEST

   Startup

   The onboard computer takes control over the countdown and runs last checks

8. T-45 sSat 13 Sept, 19:55 CEST

   GO for Launch

   Launch director verifies go for launch

9. T-3 sSat 13 Sept, 19:55 CEST

   Ignition

   Start of the engine ignition sequence

10. T-0Sat 13 Sept, 19:55 CEST

    Liftoff

    First upwards movement of the rocket

11. T+1 min 12 sSat 13 Sept, 19:57 CEST

    Max-Q

    Maximum dynamic pressure

12. T+2 min 25 sSat 13 Sept, 19:58 CEST

    MECO

    Cut-off of the main engine

13. T+2 min 28 sSat 13 Sept, 19:58 CEST

    Stage 2 Separation

    Separation of the second stage from the first

14. T+2 min 35 sSat 13 Sept, 19:58 CEST

    SES-1

    First start of the second engine

15. T+2 min 55 sSat 13 Sept, 19:58 CEST

    Fairing Separation

    Separation of the payload fairing

16. T+6 min 4 sSat 13 Sept, 20:01 CEST

    Entry Burn Startup

    Start of the atmospheric entry burn

17. T+6 min 28 sSat 13 Sept, 20:02 CEST

    Entry Burn Shutdown

    End of the atmospheric entry burn

18. T+7 min 56 sSat 13 Sept, 20:03 CEST

    Stage 1 Landing Burn

    Start of the first stage landing burn

19. T+8 min 20 sSat 13 Sept, 20:04 CEST

    Stage 1 Landing

    Landing of the first stage

20. T+8 min 39 sSat 13 Sept, 20:04 CEST

    SECO-1

    First cut-off of the second engine

21. T+53 min 39 sSat 13 Sept, 20:49 CEST

    SES-2

    Second start of the second engine

22. T+53 min 41 sSat 13 Sept, 20:49 CEST

    SECO-2

    Second cut-off of the second engine

23. T+1 h 2 min 31 sSat 13 Sept, 20:58 CEST

    Starlink Deployment

    Deployment of the Starlink stack from the rocket

Slip history

Changes recorded by Space Right Now

No changes since we started tracking on Sat 10 Oct 2026, 11:17 UTC.

Launch pad

Space Launch Complex 4E

Vandenberg SFB, CA, USA (US)

Coordinates: 34.632, -120.611