
Atlas V 551 | Amazon Leo (LA-08)
United Launch Alliance · Atlas V 551 · Space Launch Complex 41, Cape Canaveral SFS, FL, USA
United Launch Alliance's 175th launch · 5th this year · humanity's 7,330th orbital launch attempt
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Weather concerns: Cumulus Cloud Rule
Window: Jul 2, 04:24 – Jul 2, 04:53 UTC
Flight preview
Amazon Leo (LA-08)
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. 29 satellites are carried on this launch.
Communications · Low Earth Orbit (LEO)
Booster
No booster details available.
Watch
- Rocket Launch: Atlas V Amazon Leo 8 — United Launch Alliance
- Watch live: ULA Atlas 5 rocket launches 29 Amazon Leo satellites from Cape Canaveral, Florida — Spaceflight Now
- Final Atlas V Satellite Launch lofts Amazon Leo Atlas 8 (LA-08) — NASASpaceflight
Flight timeline
- T−2.7SIgnition
- T+1SLiftoff
- T+34.9SSupersonic
- T+52.8SMax-Q
- T+1M46.6SBoosters Separation
- T+3M5.2SFairing Separation
- T+4M21.9SBECO
- T+4M27.9SStage 2 Separation
- T+4M37.9SSES-1
- T+18M21SSECO-1
- T+21M10SPayload Deployment Sequence Start
- T+37M41SPayload Deployment Sequence End
- T+54M52.6SSES-2
- T+55M2.3SSECO-2
Updates
Launch success.
Cosmic_Penguin · 7/2/2026 · source
Liftoff.
Cosmic_Penguin · 7/2/2026 · source
New T-0.
Cosmic_Penguin · 7/2/2026 · source
Official Webcast by United Launch Alliance has started
LL2 · 7/2/2026 · source
Updated launch weather, 85% GO.
Cosmic_Penguin · 7/2/2026 · source
New T-0.
Cosmic_Penguin · 7/2/2026 · source
Moved up to July 2.
Cosmic_Penguin · 6/18/2026 · source
NET July 3.
Cosmic_Penguin · 6/12/2026 · source
NET July.
Cosmic_Penguin · 5/30/2026 · source
NET Q2.
Cosmic_Penguin · 4/3/2026 · source
News

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"We are delighted to actively help shape the ramp-up of the Ariane 6."

Atlas V Launches More Amazon Leos with Only Six Starliner Flights Left on the Books
United Launch Alliance sent another batch of Amazon Leo satellites into orbit today. Except for six rockets under contract to Boeing for Starliner missions, it was the last launch of […]

End of an Era for Atlas V
Early in the morning of June 2nd, the United Launch Alliance Atlas V rocket flew in its heaviest configuration for the final time.

Final Atlas 5 Amazon Leo mission launches
An Atlas 5 lifted off July 2 carrying a set of Amazon Leo satellites in the final launch by that vehicle to carry a satellite payload.

Live coverage: ULA to launch final Atlas 5 rocket supporting Amazon Leo’s broadband internet satellite constellation
The Leo Atlas 8 mission is also the final flight of an Atlas 5 551 configuration. Liftoff from pad 41 at Cape Canaveral Space Force Station is scheduled for 12:24 a.m. EDT (0424 UTC).

Launch Preview: Swift rescue mission, final Atlas satellite launch
Several orbital launches are scheduled worldwide this week. A mission to rescue the Swift observatory…
Pad — Space Launch Complex 41
Local pad time: Jul 2, 12:30 AM EDT
125 launches from this pad · 1,121 from Cape Canaveral SFS, FL, USA
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