Starlink Group 6-91

Mission

Starlink Group 6-91 on Falcon 9 Block 5. Sat 10 May 2025, 06:28:00 UTC. Reported outcome: Success. Launch site: Space Launch Complex 40. Source: Launch Library 2.

A batch of 28 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

Mission type

Communications

Orbit

Low Earth Orbit

Programmes: Starlink

Launch timeline

Times are relative to liftoff. Clock times are not shown while T-0 is unconfirmed or on hold.

1. T-38 min

   GO for Prop Load

   Launch director verifies go for propellant load

2. T-35 min

   Stage 1 LOX Load

   Start of liquid oxygen loading in the first stage

3. T-35 min

   Prop Load

   Start of propelland loading

4. T-16 min

   Stage 2 LOX Load

   Start of liquid oxygen loading in the second stage

5. T-7 min

   Engine Chill

   Start of engine chilling

6. T-1 min

   Tank Press

   Fuel tanks are pressurized to flight levels

7. T-1 min

   Startup

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

8. T-45 s

   GO for Launch

   Launch director verifies go for launch

9. T-3 s

   Ignition

   Start of the engine ignition sequence

10. T-0

    Liftoff

    First upwards movement of the rocket

11. T+1 min 10 s

    Max-Q

    Maximum dynamic pressure

12. T+2 min 25 s

    MECO

    Cut-off of the main engine

13. T+2 min 28 s

    Stage 2 Separation

    Separation of the second stage from the first

14. T+2 min 36 s

    SES-1

    First start of the second engine

15. T+2 min 56 s

    Fairing Separation

    Separation of the payload fairing

16. T+6 min 2 s

    Entry Burn Startup

    Start of the atmospheric entry burn

17. T+6 min 29 s

    Entry Burn Shutdown

    End of the atmospheric entry burn

18. T+7 min 50 s

    Stage 1 Landing Burn

    Start of the first stage landing burn

19. T+8 min 15 s

    Stage 1 Landing

    Landing of the first stage

20. T+8 min 41 s

    SECO-1

    First cut-off of the second engine

21. T+54 min 6 s

    SES-2

    Second start of the second engine

22. T+54 min 7 s

    SECO-2

    Second cut-off of the second engine

23. T+1 h 5 min 14 s

    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, 11:16 UTC.

Launch pad

Space Launch Complex 40

Cape Canaveral SFS, FL, USA (US)

Coordinates: 28.56194122, -80.57735736