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.

This mission is flown by Arianespace. It is classified as a communications mission. Liftoff is planned from Ariane Launch Area 4. Launch windows shift often; this page is rebuilt every day with the latest scheduled time.

Ariane 64 Block 2 | Amazon Leo (LE-04) is scheduled to lift off on Wednesday, October 07, 2026. The countdown above updates live, so you always see exactly how many days, hours, and minutes are left.