Project Kuiper (KA-01)

Launch Success

Liftoff Time (GMT)

23:01:00

Monday April 28, 2025

Watch Replay

NASASpaceflight.com

Mission Details

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Launch Notes

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

Project Kuiper (KA-01)

Wiki

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.

Low Earth Orbit

27 Payloads

15,422 kilograms

Rocket

Active
Atlas V 551

Active Since 2006

United Launch Alliance logo

Agency

ULA

Price

$153.00 million

Rocket

Diameter: 3.81m

Height: 62.2m

Payload to Orbit

LEO: 18,850 kg

GTO: 8,900 kg

Liftoff Thrust

12,141 Kilonewtons

Fairing

Diameter: 5.4m

Height: 26.5m

Stages

2

Strap-ons

5

Launch Site

General Trajectory

Launching

Northeast

SLC-41

Cape Canaveral SFS, Florida, USA

Fastest Turnaround

15 days 22 hours

Stats

Atlas V


102nd

Mission

1st

Mission of 2025

United Launch Alliance


164th

Mission

1st

Mission of 2025

2025


89th

Orbital launch attempt