/
Amazon Leo (LA-04)
Launch Success
Liftoff Time (GMT)
08:28:00
Tuesday December 16, 2025
Watch Replay
NASASpaceflight.com
Mission Details
Read Article
Track Payloads
Amazon Leo (LA-04)
(Project Kuiper)
Amazon Leo, formerly known as Project Kuiper, is a mega constellation of satellites in Low Earth Orbit that will offer broadband internet access managed by Kuiper Systems LLC, a subsidiary of Amazon. This constellation is planned to be composed of 3,236 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.
Manufacturer: Amazon
Operator: Amazon
Low Earth Orbit
27 Payloads
15,422 kilograms
Rocket
Agency
ULAPrice
$153.00 million
Rocket
Diameter: 3.81m
Height: 62.2m
Payload to Orbit
LEO: 18,850 kg
GTO: 8,900 kg
Liftoff Thrust
12,141 Kilonewtons
Fairing
Diameter: 5.4m
Height: 26.5m
Stages
2
Strap-ons
5
Launch Site
Launching
Northeast
Stats
Atlas V
106th
Mission
5th
Mission of 2025
United Launch Alliance
169th
Mission
6th
Mission of 2025
2025
307th
Orbital launch attempt