Atlas V 551 | Project Kuiper (KA-01)

Status

Success

Project Kuiper (KA-01)

Launch Time
Mon Apr 28, 2025 23:01 UTC

First launch of operational broadband satellites for Amazon's Project Kuiper constellation.

Watch | Article

Rocket

Atlas V 551

Image Credit: ULA

ULA

Status: Active

Price: $153.0 million

Liftoff Thrust: 12,141 kN

Payload to LEO: 18,850 kg

Payload to GTO: 8,900 kg

Stages: 2

Strap-ons: 5

Rocket Height: 62.2 m

Fairing Diameter: 5.4 m

Fairing Height: 26.5 m

Details

Mission Details

Project Kuiper (KA-01)

Project Kuiper is a mega constellation of satellites in Low Earth Orbit that will offer broadband internet access managed by Kuiper Systems LLC, a subsidiary of Amazon. This constellation is planned to be composed of 3,236 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.

Payloads: 27

Total Mass: 15,422.0 kg

Low Earth Orbit

Wiki

Location

SLC-41, Cape Canaveral SFS, Florida, USA

Wiki

Stats

2025

89th orbital launch attempt

United Launch Alliance

164th mission

1st mission of 2025

163rd successful mission

159th consecutive successful mission

Atlas V

102nd mission

1st mission of 2025

101st successful mission

92nd consecutive successful mission