Atlas V 551 | Amazon Leo (KA-01)
Launch Successful
225 days ago • 4/28/2025, 11:00:00 PM
Rocket
Launch Probability
75%
Mission Description
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.
Weather Conditions
Cumulus Cloud Rule, Anvil Cloud Rules, Surface Electric Fields Rule
Launch Videos
🔴 LIVE 🔴 April 9 Broadcast: Atlas V Kuiper 1
🔴 LIVE 🔴 April 9 Broadcast: Atlas V Kuiper 1
youtube.com
🔴 LIVE 🔴 Rocket Launch: Atlas V Kuiper 1
youtube.com
Watch live: ULA Atlas 5 launches with 27 Kuiper satellites for Amazon’s Starlink rival
ULA's Atlas V Launches Amazon's Project Kuiper (KA-01)
Mission Updates
Launch Details
Launch Window
4/28/2025, 11:00:00 PM
to 4/29/2025, 1:00:00 AM
Rocket Details
Atlas V 551
Family: Atlas
Variant: 551
Launch Facility
Space Launch Complex 41
Cape Canaveral SFS, FL, USA