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ULA Atlas V 551 launches Amazon Leo Atlas 5 (LA-05)

Publisher

NASASpaceflight

April 4, 2026 at 4:47 AM

ULA Atlas V 551 launches Amazon Leo Atlas 5 (LA-05) video artwork

Video type

Unofficial Webcast

Source

youtube.com

Language

English

Priority

12

About this video

ULA Atlas V launch of the Amazon Leo Atlas 5 (LA-05) mission from SLC-41. Launch Window: April 4th from 1:45AM to 2:14AM EDT (05:45-06:14 UTC) Current T0: April 4th at 1:45AM EDT (05:45 UTC) Mission: Atlas V 551 launch of a batch of 29 Amazon Leo satellites into orbit. Launch location: Space Launch Complex 41 (SLC-41), Cape Canaveral Space Force Station, Earth. Target orbit: Low-Earth Orbit (LEO); ~450km circular orbit at 51.9º inclination Booster: AV-109 Configuration: 551 - 5 meter wide, medium length version payload fairing - 5 GEM 63 solid rocket motors - 1 RL10C-1-1 engine on Centaur - Nicknamed "Bruiser" Rocket trajectory: Northeast flying parallel to the US east coast. Payload mass: ~16540kg (~36500lbs) Stats: - ULA's 171st launch overall and its 2nd of the year. ...

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Atlas V 551 | Amazon Leo (LA-05)

April 4, 2026 at 5:46 AM

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