Atlas V 551 — mission imagery
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Success

Amazon Leo (LA-07)

Atlas V 551United Launch AllianceSpace Launch Complex 41
Friday, May 29, 2026 · 11:53 PM UTCAdd to Calendar

Vehicle

Atlas V 551

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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...

Height59.7 m
LEO Payload18,850 kg
Launches210
Successes175

Provider

United Launch Alliance

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USA • Founded 2006

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 spa...

Mission Brief

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.

PayloadAmazon Leo (LA-07)
OrbitLow Earth Orbit
CustomerAmazon Leo
Stages2
PadSpace Launch Complex 41, Cape Canaveral SFS, FL, USA
WeatherCumulus Cloud Rule, Anvil Cloud Rules, Surface Electric Fields Rule, temperature not reported

Mission Timeline

30 / 30100%

Ground vector

Launch site

Site locked

Space Launch Complex 41

Cape Canaveral SFS, FL, USA

Global range
SITE LOCK
Latitude
28.583°N
Longitude
80.583°W

Range Weather

Launch commit criteria

45%
GO
Constrained3 active constraints
Weather Rules
Cumulus Cloud RuleAnvil Cloud RulesSurface Electric Fields Rule
Primary concern
Cumulus Cloud Rule
Rule count
3
Temperature
Not reported
Surface wind
Not reported
Window

11:33 PM UTC - 12:02 AM UTC

Delay History

24
May 29May 29Success → Success

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May 29May 29Success → Success

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May 29May 29Success → Success

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May 29May 29Success → Success

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May 29May 29In Flight → Success

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May 29May 29Go → In Flight

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May 29May 29Hold → Go

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May 29May 29Go → Hold

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May 29May 29Go → Go

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May 29May 29Go → Go

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May 29May 29Go → Go

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May 29May 29Go → Go

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May 29May 29Go → Go

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May 29May 29Go → Go

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May 29May 29Go → Go

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May 29May 29Go → Go

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May 29May 29Go → Go

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May 29May 29Go → Go

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May 29May 29Go → Go

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May 29May 29Go → Go

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May 29May 29Go → Go

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May 22May 29Go → Go

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May 22May 22TBD → Go

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Jun 30May 22TBD → TBD

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