ROCKET ASSESSOR

Launches › Amazon Leo (LE-04) · Verdict computed Thu, 01 Oct 2026 18:50:18 UTC

Ariane 64 Block 2 | Amazon Leo (LE-04): launch weather verdict

Will Amazon Leo (LE-04) launch on time?

PENDING No weather verdict yet for Amazon Leo (LE-04): no forecast available for this pad. Forecasts become available about 16 days before launch.

Track record: across 60 resolved launches, directional verdicts (GO / NO-GO) matched the outcome 67% of the time. Every verdict is frozen 24 hours before launch, and the full record, including the misses, is at rocketassessor.com/accuracy.

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Launch details

VehicleAriane 64 Block 2
Launch providerArianespace
Launch time (NET)Sat, 31 Oct 2026 00:00:00 UTC
Launch siteAriane Launch Area 4, Guiana Space Centre, French Guiana
OrbitLEO
Official statusTo Be Determined

What is the Amazon Leo (LE-04) 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.

How is this verdict calculated?

The launch starts at 100 points and loses points for sustained wind, gusts, cloud cover, chance of precipitation and thunderstorm energy at Guiana Space Centre, French Guiana at the launch hour. 75–100 is GO, 50–74 is CAUTION, below 50 is NO-GO. This is an independent, indicative assessment, not the provider's official launch commit criteria.

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