Atlas V 551 | Amazon Leo (LA-07)
Launch Successful
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Launch Window
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Watch live coverage of the launch of a United Launch Alliance Atlas 5 rocket with a batch of 29 satellites for Amazon's Leo internet service on Friday, May 29, 2026. Liftoff is scheduled during a 29-minute launch window that opens at 7:33 p.m. EDT (2333 UTC). The rocket will take …
Join us for episode 98 of "The Flame Trench" discussing the New Glenn RUD, and a live Atlas V launch! Launch Window: May 29th from 7:33:30PM to 8:02:30PM EDT (23:33:30-00:02:30 UTC) Current T0: May 29th at 7:33:30PM EDT (23:33:30 UTC) Mission: Atlas V 551 launch of a batch of 29 …
ULA’s Atlas V rocket will deliver another batch of satellites for Amazon Leo, Amazon’s low Earth orbit satellite constellation. Amazon Leo’s network is designed to deliver fast, reliable internet to customers beyond the reach of existing networks. The initial Amazon constellation will include more t...
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.
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Launch success, all satellites have been deployed.
Liftoff.
New T-0.
Hold due to launch site weather.
Official Webcast by United Launch Alliance has started
Atlas V is an expendable launch system in the Atlas rocket family. It was formerly operated by Lockheed Martin and is now operated by United Launch Alliance (ULA), a joint venture with Boeing. Each Atlas V rocket uses a Russian-built RD-180 engine burning kerosene and liquid oxygen to power its first stage and an American-built RL10 engine burning liquid hydrogen and liquid oxygen to power its Centaur upper stage. The RD-180 engines are provided by RD Amross, while Aerojet Rocketdyne provides both the RL10 engines and the strap-on boosters used in some configurations. The standard payload fairing sizes are 4 or 5 meters in diameter and of various lengths. Fairings sizes as large as 7.2 m in diameter and up to 32.3 m in length have been considered. The rocket is assembled in Decatur, Alabama and Harlingen, Texas.
United Launch Alliance (ULA) is a joint venture of Lockheed Martin Space Systems and Boeing Defense, Space & Security. ULA was formed in December 2006 by combining the teams at these companies which provide spacecraft launch services to the government of the United States. ULA launches from both coasts of the US. They launch their Atlas V vehicle from LC-41 in Cape Canaveral and LC-3E at Vandeberg. Their Delta IV launches from LC-37 at Cape Canaveral and LC-6 at Vandenberg.
INFO WIKI
The Leo Atlas 07 mission is the second to last flight that Amazon booked on a United Launch Alliance Atlas 5 rocket. Liftoff from pad 41 at Cape Canaveral Space Force Station is scheduled during a window that opens at 7:33 p.m. EDT (2333 U…
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