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United Launch AllianceAtlas V 551Space Launch Complex 41, Cape Canaveral SFS, FL, USA
Amazon Leo (LA-06)
Launched
April 28, 2026 · 00:53 UTC
Summary
Amazon Leo (LA-06) launched on an United Launch Alliance Atlas V 551 from Space Launch Complex 41, Cape Canaveral SFS, FL, USA on April 28, 2026 at 00:53 UTC. The launch window ran from 00:52 to 01:21 UTC. It was United Launch Alliance's 173rd launch, 3rd this year and humanity's 7,273rd orbital launch attempt. It was the 21st Atlas V 551 flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). The tracked orbit of Kuiper-00299, one of 29 catalogued objects, from April 30, 2026, was 458 × 470 km inclined 51.9°. 29 objects from this launch are catalogued, all of them payloads.
- Watch
- Rocket Launch: Amazon Leo 6United Launch Alliance
- Watch live: ULA Atlas 5 rocket launches from Cape Canaveral with 29 Amazon Leo satellitesSpaceflight Now
- ULA Atlas V 551 launches Amazon Leo Atlas 6 (LA-06)NASASpaceflight
- Booster
- No booster details on record.
- Mission
- Communications · Low Earth Orbit (LEO)for Amazon
- Milestone
- 21st Atlas V 551 flight · 2nd this yearUnited Launch Alliance's 173rd launch3rd this yearhumanity's 7,273rd orbital launch attempt100th orbital launch attempt this year
Webcast
Flight preview
Simulate in Flight ClubOrbit: as tracked
Kuiper-00299 · NORAD 68864 · 2026-095 · Space-Track · tracking 1 of 29 objects
Show the numbers for orbit elements
- Object
- KUIPER-00299
- Object ID
- 2026-095A
- Epoch
- 2026-04-30 16:00:03 UTC
- Mean motion
- 15.36299163 rev/day
- Eccentricity
- 0.00092132
- Inclination
- 51.8715°
- Ascending node
- 112.1842°
- Arg. of perigee
- 125.7512°
- Mean anomaly
- 41.8794°
- Element set
- 999
- Rev at epoch
- 130
- B*
- -0.00024323806
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Flight timeline
- T−2.7SIgnition
- T+1SLiftoff
- T+34.9SSupersonic
- T+52.8SMax-Q
- T+1M46.6SBoosters Separation
- T+3M5.2SFairing Separation
- T+4M21.9SBECO
- T+4M27.9SStage 2 Separation
- T+4M37.9SSES-1
- T+18M21SSECO-1
- T+21M10SPayload Deployment Sequence Start
- T+37M41SPayload Deployment Sequence End
- T+54M52.6SSES-2
- T+55M2.3SSECO-2
Catalogued objects
29 catalogued: 29 payloads; 29 still in orbit
- Kuiper-00299 · NORAD 68864 · in orbit
- Kuiper-00353 · NORAD 68865 · in orbit
- Kuiper-00357 · NORAD 68866 · in orbit
- Kuiper-00364 · NORAD 68867 · in orbit
- Kuiper-00375 · NORAD 68868 · in orbit
- Kuiper-00433 · NORAD 68869 · in orbit
- Kuiper-00437 · NORAD 68870 · in orbit
- Kuiper-00448 · NORAD 68871 · in orbit
- Kuiper-00459 · NORAD 68872 · in orbit
- Kuiper-00468 · NORAD 68873 · in orbit
- Kuiper-00476 · NORAD 68874 · in orbit
- Kuiper-00478 · NORAD 68875 · in orbit
Show 17 more payloads
- Kuiper-00480 · NORAD 68876 · in orbit
- Kuiper-00482 · NORAD 68877 · in orbit
- Kuiper-00483 · NORAD 68878 · in orbit
- Kuiper-00488 · NORAD 68879 · in orbit
- Kuiper-00489 · NORAD 68880 · in orbit
- Kuiper-00499 · NORAD 68881 · in orbit
- Kuiper-00500 · NORAD 68882 · in orbit
- Kuiper-00502 · NORAD 68883 · in orbit
- Kuiper-00503 · NORAD 68884 · in orbit
- Kuiper-00504 · NORAD 68885 · in orbit
- Kuiper-00505 · NORAD 68886 · in orbit
- Kuiper-00507 · NORAD 68887 · in orbit
- Kuiper-00511 · NORAD 68888 · in orbit
- Kuiper-00512 · NORAD 68889 · in orbit
- Kuiper-00519 · NORAD 68890 · in orbit
- Kuiper-00521 · NORAD 68891 · in orbit
- Kuiper-00524 · NORAD 68892 · in orbit
Data from J. McDowell, planet4589.org
About this launch
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.
Pad
Space Launch Complex 41, Cape Canaveral SFS, FL, USA
123rd launch from Space Launch Complex 41, 3rd this year · 1,105th from Cape Canaveral SFS, FL, USA
Local pad time at liftoff: Apr 27, 8:53 PM EDT, at night
125 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
23 days after the previous launch from this pad
Updates
Launch success, all satellites deployed.
Show 9 earlier updates
Liftoff.
Cosmic_Penguin · 4/28/2026 · source
Official Webcast by United Launch Alliance has started
LL2 · 4/28/2026 · source
New T-0.
Cosmic_Penguin · 4/28/2026 · source
Updated launch weather, 85% GO.
Cosmic_Penguin · 4/26/2026 · source
Updated launch weather, 75% GO.
Cosmic_Penguin · 4/24/2026 · source
Added launch window.
Cosmic_Penguin · 4/20/2026 · source
NET April 27.
Cosmic_Penguin · 4/4/2026 · source
NET April 24.
Cosmic_Penguin · 3/24/2026 · source
NET April.
Cosmic_Penguin · 3/23/2026 · source
Questions
When did Amazon Leo (LA-06) launch?
Amazon Leo (LA-06) launched on April 28, 2026 at 00:53 UTC. The launch window ran from 00:52 to 01:21 UTC.
Where can I watch Amazon Leo (LA-06)?
Coverage: Rocket Launch: Amazon Leo 6; Watch live: ULA Atlas 5 rocket launches from Cape Canaveral with 29 Amazon Leo satellites; ULA Atlas V 551 launches Amazon Leo Atlas 6 (LA-06). Watch the replay
What rocket launched Amazon Leo (LA-06)?
Atlas V 551, flown by United Launch Alliance. Atlas V 551 spec sheet
Where did Amazon Leo (LA-06) launch from?
Space Launch Complex 41, Cape Canaveral SFS, FL, USA. Liftoff was Apr 27, 8:53 PM EDT local time at the pad.
What orbit did Amazon Leo (LA-06) reach?
The tracked orbit of Kuiper-00299, one of 29 catalogued objects, from April 30, 2026, was 458 × 470 km inclined 51.9°.
How many satellites did Amazon Leo (LA-06) launch?
29 payloads from this launch are catalogued, 29 of them still in orbit (Data from J. McDowell, planet4589.org).
Which program is Amazon Leo (LA-06) part of?
Amazon Leo. About Amazon Leo