Amazon Leo (LE-03)
Ariane 64 Block 2, Arianespace
Ariane Launch Area 4, Guiana Space Centre, French Guiana
Launch time
T-0
Wed 17 Jun, 14:21:52 CEST
12:21:52 UTC
The rocket put its payload into the planned orbit.
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How sure is this date?
The source gives second precision. Launch plans can change.
Source updated
UpdatedSlip history
No changes since we started tracking on .
- LL2 update
Launch success, all satellites have separated.
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Liftoff.
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New T-0.
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Hold at T-01:08.
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Tweaked T-0.
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Official Webcast by Arianespace has started
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NET June 17.
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Reportedly targeting Q2 2026, as early as April or May
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- LL2 update
NET 2026 with the introduction of Block 2 for Kuiper, per https://spacenews.com/europe-aims-to-end-space-access-crisis-with-ariane-6s-inaugural-launch/
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NET 2025
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Added launch.
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Mission
Amazon Leo (LE-03) on Ariane 64 Block 2 from Ariane Launch Area 4. Launch time, status and recorded date changes from Launch Library 2.
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. 36 satellites will be carried on this Ariane 6 launch.
- Mission type
- Communications
- Orbit
- Low Earth Orbit
Programmes: Amazon Leo
Mission patches
- VA269 Patch
Patch artwork is not shown because its image licence is unconfirmed.
Launch timeline
Times are relative to liftoff.
- T-7 s
Ignition
Start of the engine ignition sequence
- T-0
Liftoff
First upwards movement of the rocket
- T+2 min 21 s
SRB Separation
The solid rocket boosters are separated from the launcher.
- T+3 min 11 s
Fairing Separation
Separation of the payload fairing
- T+7 min 45 s
MECO
Cut-off of the main engine
- T+7 min 51 s
Stage 2 Separation
Separation of the second stage from the first
- T+7 min 59 s
SES-1
First start of the second engine
- T+17 min 51 s
SECO-1
First cut-off of the second engine
- T+1 h 8 min 44 s
SES-2
Second start of the second engine
- T+1 h 9 min 2 s
SECO-2
Second cut-off of the second engine
- T+1 h 26 min 32 s
Payload Deployment Sequence Start
Start of the payload deployment sequence
- T+1 h 51 min 17 s
Payload Deployment Sequence End
End of the payload deployment sequence.
- T+2 h 40 min 57 s
SES-3
Third start of the second engine
- T+2 h 41 min 15 s
SECO-3
Third cut-off of the second engine
Launch pad
Ariane Launch Area 4
Guiana Space Centre, French Guiana (GF)
Coordinates: 5.256319, -52.786838
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