GO - ULA - Atlas V551 - Amazon Leo (LA-05) - SLC-41 - Cape Canaveral SFS - Space Affairs Live

Launch Date: April 4, 2026
Launch Time: 1:45 a.m. EDT, 0545 UTC, 07:45 CEST
Launch Window: Open until 2:14 a.m. EDT
Launch Pad: SLC-41 - Cape Canaveral Space Force Station, Florida.
Launch Status: Scheduled and annouced.

Launch Provider: United Launch Alliance (ULA)
Launcher System: Atlas V 551 (5 strap-on boosters / 5-meter fairing / 1 Centaur upper stage engine)
Payload Contractor: Amazon Leo
Mission: Amazon Leo (LA-04)
Destination Orbit: Low Earth Orbit (LEO)
Launch Location: SLC-41 - Cape Canaveral Space Force Station, Florida, USA
Launch Inclination: Northeast

Price:
$153 million (without payload)

Rocket:
Diameter: 3,81 m
Height: 62,2 m
Lift-Off Thrust: 12,141 kilonewtons
Fairing:
Diameter: 5,4 m
Height: 26,5 m
Boosters: 5

ULA's Atlas V551 rocket will deliver another batch of satellites into low Earth orbit for Amazon's Leo broadband constellation. Its mission is to provide fast, reliable internet to customers worldwide, including those in unserved and underserved communities, through a network of more than 3,000 LEO 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.

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