NET November 23.
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Amazon Leo (LE-04)
Ariane 64 Block 2
Latest published target
November 23, 2026 · time to be confirmed. An exact time has not been published.
Source record updated . This is a source update, not a confirmed launch time.
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Target time, not a confirmed liftoff.
Mission
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. 35-40 satellites will be carried on each Ariane 6 launch.
- Launch vehicle
- Ariane 64 Block 2
- Mission type
- Communications
- Destination orbit
- Low Earth Orbit
- Launch pad
- Ariane Launch Area 4
- Provider
- Arianespace
- Programs
- Amazon Leo
The vehicle
Published configuration and flight history.

Ariane 64 Block 2
Ariane 6 variant with four upgraded P160C solid boosters, enabling heavier payloads. Each P160C booster holds 14 additional tons of propellant, compared to the P120C boosters of the Block 1 variant.
- Height
- 63 m
- Diameter
- 5.4 m
- Stages
- 2
- Recorded launches
- 1
- First flight
- 2026-06-17
Launch window
A precise launch window has not been published.
Launch site & orbit
Guiana Space Centre, French Guiana
Launch site & orbit
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Understand this orbit
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Before you set off
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Coverage & sources
Links supplied by the mission data provider.
Coverage and times may change.
Mission coverage
No viewing link has been published yet.
Further reading
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