Ariane 64 Block 2 — mission imagery
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TBD

Amazon Leo (LE-04)

Ariane 64 Block 2ArianespaceAriane Launch Area 4
Thursday, December 31, 2026 · 12:00 AM UTCAdd to Calendar

NextVulcain 2.1 IgnitionT-00:07

Time to launch

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DAYS
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HRS
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Launch Window Confidence
46% — Uncertain

Vehicle

Ariane 64 Block 2

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No description available yet.

Height63 m
LEO Payload21,900 kg
Launches356
Successes311

Provider

Arianespace

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FRA • Founded 1980

Arianespace SA is a multinational company founded in 1980 as the world's first commercial launch service provider. It undertakes the production, operation, and marketing of the Ariane programme. Their vehicles...

Mission Brief

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.

PayloadAmazon Leo (LE-04)
OrbitLow Earth Orbit
CustomerAmazon Leo
Stages2
PadAriane Launch Area 4, Guiana Space Centre, French Guiana

Mission Timeline

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Vulcain 2.1 Ignition

Main-stage Vulcain 2.1 engine ignition before liftoff

T-00:07
11:59 PM UTC
  • Vulcain 2.1 IgnitionT-00:07
Site lock

Launch Site

Ariane Launch Area 4, Guiana Space Centre, French Guiana

LAUNCH SITE
5.256°N, 52.787°W

Schedule History

No delays or schedule changes recorded.