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Ariane 64 Block 2: Amazon Leo (LE-04)

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.

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16 daysat the earliest. The countdown starts when a launch time is set.

Monday, 23 November 2026
Ariane 64 Block 2: Amazon Leo (LE-04)

Mission Data

Arianespace
🇪🇺ArianespaceEst. 1980
Launch VehicleAriane 64 Block 2
Vehicle FamilyAriane
Vehicle Record1 of 1 launches (100%)
Provider TypeCommercial
Agency Record313 successes / 15 failures (95%)
Success Streak16 consecutive
ProgramAmazon Leo · Communication Constellation
Mission TypeCommunications
Target OrbitLow Earth Orbit
Launch PadAriane Launch Area 4
LocationGuiana Space Centre, French Guiana GUF
Orbital Launches This Year#269
Agency Launches This Year#5
Launches From This Pad9
Launches From This Site336
Status Note

Current date is a placeholder or rough estimation based on unreliable or interpreted sources.

About 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.

Launch updates

  1. NET November 23.

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  2. NET November.

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  3. Possible delay to launch due to Ariane 6 engines issue.

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  4. NET October 7.

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Launch Site

Ariane Launch Area 4 · 5.2563°N 52.7868°W

Launch data from Launch Library 2 by The Space Devs.