United Launch Alliance

Amazon Leo (LA-07)

Success

Atlas V 551

T-minus to liftoff

HOURS

MINUTES

SECONDS

May 29, 23:53:00 UTC

StatusSuccess

VehicleAtlas V 551

OrbitLow Earth Orbit

PadSpace Launch Complex 41

Loading map…

Mission

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.

Launch Timeline

Countdown

T-00:00:03

Ignition

In-flight

T+00:00:01

Liftoff

T+00:00:34

Supersonic

T+00:00:52

Max-Q

T+00:01:46

Boosters Separation

T+00:03:05

Fairing Separation

T+00:04:21

BECO

T+00:04:27

Stage 2 Separation

T+00:04:37

SES-1

T+00:18:21

SECO-1

T+00:21:10

Payload Deployment Sequence Start

T+00:37:41

Payload Deployment Sequence End

T+00:54:52

SES-2

T+00:55:02

SECO-2

Quick facts

VehicleAtlas V 551

OrbitLow Earth Orbit

PadSpace Launch Complex 41

SiteCape Canaveral SFS, FL, USA

WindowMay 29, 23:33:30 UTC→May 30, 00:02:30 UTC

Vehicle

FamilyAtlas

Height59.7 m

Diameter3.8 m

Stages2

ReusableNo

LEO capacity18,850 kg

Track record22/22 successful

Amazon Leo (LA-07)

Mission

Launch Timeline

Quick facts

Vehicle

Amazon Leo (LA-07)

Orbital elements (TLE)

Mission

Q's read

Launch Timeline

Quick facts

Vehicle

Orbital elements (TLE)

Q's read