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Arianespace/Ariane 64 Block 2·Ariane Launch Area 4

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

Orbit: LEO·Type: Communications·Agencies: Amazon Leo

Countdown to T-0

GMT Time
Spaceport
To Be Determined⟳ Estimate revised
Ariane 64 Block 2 | Amazon Leo (LE-04) mission image
Vehicle: Ariane 64 Block 2Credit: ESA\CNES\ArianespaceArianeGroup\Optique Vidéo du CSG–T. Leduc · 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. 35-40 satellites will be carried on each Ariane 6 launch.

Target orbit
LEO · Low Earth Orbit
Mission type
Communications
Payload
Amazon Leo (LE-04)
Agencies
Amazon Leo
Mission Update

NET November 23.

Target liftoff time (UTC)

00:00:00 UTC

Monday, 23 November 2026

Instantaneous window

Planned T-0 liftoff

00:00:00 UTCWindow open
00:00:00 UTCPlanned ignition
00:00:00 UTCWindow close
Rocket family
Ariane
Height
63m
Diameter
5.4m
Payload to LEO
21,900kg
Stages
2