Atlas V 551
SuccessAmazon Leo (KA-01) · United Launch Alliance
Launch time (NET)
Monday, Apr 28, 2025, 23:01 UTC
Launch window
Monday, Apr 28, 2025, 23:00 UTC – Tuesday, Apr 29, 2025, 01:00 UTC
Provider
United Launch Alliance
Rocket
Launch pad
Space Launch Complex 41, Cape Canaveral SFS, FL, USA · Open map
Status
Success
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Mission
Amazon Leo (KA-01)
Type
Communications
Orbit
Low Earth Orbit (LEO)
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. 27 satellites are carried on this launch.
Go to payload page →📡 Livestreams & webcasts
🎬 Recent videos
No recent videos found — this row stays empty until something new appears.
🚀 About the rocket: Atlas V 551
Final Atlas V Launch! Amazon's Internet Satellite Revolution Begins 🚀 | Project Kuiper Explained
enPR Thakur· Jul 3, 2026
New Glenn Anomaly, ULA Launches Penultimate Atlas V 551 - The Flame Trench
enNASASpaceflight· May 30, 2026
ULA Launches Atlas V 551 Viasat-3 F2
enNASASpaceflight· Nov 14, 2025
ULAs Atlas V-551 Launches USSF-51 for the United States Space Force
enNASASpaceflight· Jul 30, 2024
5 things you need to know about Atlas V rocket
enThe Homo Deus Project· Apr 13, 2022
Lanzamiento de Lucy en Atlas V
enkpl 551· Oct 16, 2021
Twilight phenomenon of a Atlas 5 Rocket Launch
enRocket Science· Aug 8, 2021
Atlas V AEHF-5 Mission Profile
enUnited Launch Alliance· Aug 5, 2019
Atlas V 551 launches AFSPC-11 (CBAS & EAGLE)
enSciNews· Apr 14, 2018
Launch Webcast Of ULA Atlas V 501 With NROL 39 And 12 CubeSats - The Best Documentary Ever
enGleason PhD· Dec 6, 2017
[AV0049] United Launch Alliance Atlas V Rocket Blasts Off With CLIO Spacecraft - The Best Documentar
enGleason PhD· Dec 5, 2017
New Horizons Probe Launches to Pluto on a Atlas V NASA 2006 film mission launch video
enMilagros Roma· Nov 25, 2017
California: Space Launch of Atlas V rocket from Vandenberg Air Force Base.
enAlistair “Ali” Reign· Nov 11, 2016
Atlas V 551 - MUOS 4 Launch - September 2, 2015
enSpaceflight101· Sep 2, 2015
NASA Launch Atlas 5 With Juno In HD
enStoryline History· Aug 9, 2011