Amazon Leo (KF-03)

Mission

Amazon Leo (KF-03) on Falcon 9 Block 5. Tue 14 Oct 2025, 01:58:00 UTC. Reported outcome: Success. Launch site: Space Launch Complex 40. Source: Launch Library 2.

Third of a three launches contract for Amazon's Kuiper low Earth orbit satellite internet constellation, with 24 satellites on board. Amazon Leo, formerly known as Project Kuiper, is a mega constellation of satellites in Low Earth Orbit that will offer broadband internet access, this constellation will be managed by Kuiper Systems LLC, a subsidiary of Amazon. This constellation is planned to be composed of 3,276 satellites. The satellites are projected to be placed in 98 orbital planes in three orbital layers, one at 590 km, 610 km and 630 km altitude.

Mission type

Communications

Orbit

Low Earth Orbit

Programmes: Amazon Leo

Rocket file imagery

Launch timeline

Times are relative to liftoff.

1. T-38 minTue 14 Oct, 03:20 CEST

   GO for Prop Load

   Launch director verifies go for propellant load

2. T-35 minTue 14 Oct, 03:23 CEST

   Prop Load

   Start of propelland loading

3. T-35 minTue 14 Oct, 03:23 CEST

   Stage 1 LOX Load

   Start of liquid oxygen loading in the first stage

4. T-16 minTue 14 Oct, 03:42 CEST

   Stage 2 LOX Load

   Start of liquid oxygen loading in the second stage

5. T-7 minTue 14 Oct, 03:51 CEST

   Engine Chill

   Start of engine chilling

6. T-1 minTue 14 Oct, 03:57 CEST

   Tank Press

   Fuel tanks are pressurized to flight levels

7. T-1 minTue 14 Oct, 03:57 CEST

   Startup

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

8. T-45 sTue 14 Oct, 03:57 CEST

   GO for Launch

   Launch director verifies go for launch

9. T-3 sTue 14 Oct, 03:57 CEST

   Ignition

   Start of the engine ignition sequence

10. T-0Tue 14 Oct, 03:58 CEST

    Liftoff

    First upwards movement of the rocket

11. T+1 min 12 sTue 14 Oct, 03:59 CEST

    Max-Q

    Maximum dynamic pressure

12. T+2 min 25 sTue 14 Oct, 04:00 CEST

    MECO

    Cut-off of the main engine

13. T+2 min 28 sTue 14 Oct, 04:00 CEST

    Stage 2 Separation

    Separation of the second stage from the first

14. T+2 min 36 sTue 14 Oct, 04:00 CEST

    SES-1

    First start of the second engine

15. T+3 min 25 sTue 14 Oct, 04:01 CEST

    Fairing Separation

    Separation of the payload fairing

16. T+6 min 9 sTue 14 Oct, 04:04 CEST

    Entry Burn Startup

    Start of the atmospheric entry burn

17. T+6 min 35 sTue 14 Oct, 04:04 CEST

    Entry Burn Shutdown

    End of the atmospheric entry burn

18. T+7 min 48 sTue 14 Oct, 04:05 CEST

    Stage 1 Landing Burn

    Start of the first stage landing burn

19. T+8 min 18 sTue 14 Oct, 04:06 CEST

    Stage 1 Landing

    Landing of the first stage

20. T+8 min 30 sTue 14 Oct, 04:06 CEST

    SECO-1

    First cut-off of the second engine

21. T+52 min 50 sTue 14 Oct, 04:50 CEST

    SES-2

    Second start of the second engine

22. T+52 min 53 sTue 14 Oct, 04:50 CEST

    SECO-2

    Second cut-off of the second engine

23. T+56 min 25 sTue 14 Oct, 04:54 CEST

    Payload Deployment Sequence Start

    Start of the payload deployment sequence

24. T+1 h 4 min 6 sTue 14 Oct, 05:02 CEST

    Payload Deployment Sequence End

    End of the payload deployment sequence.

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 40

Cape Canaveral SFS, FL, USA (US)

Coordinates: 28.56194122, -80.57735736