Possible delay to launch due to Ariane 6 engines issue.
Arianespace / MISSION BRIEFING
Amazon Leo (LE-04)
Ariane 64 Block 2 · Communications
TBD
LAUNCH TIMETBDTiming is subject to mission updates
Mission image · ESA\CNES\ArianespaceArianeGroup\Optique Vidéo du CSG–T. Leduc
Mission overview
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. 35-40 satellites will be carried on each Ariane 6 launch.
- Mission
- Amazon Leo (LE-04)
- Mission type
- Communications
- Provider
- Arianespace
- Target orbit
- Low Earth Orbit
Timeline
Scheduled event sequence from Launch Library 2. These are planned milestones, not confirmed telemetry. Events remain unconfirmed until a verified source reports them.
A verified event timeline has not been published for this mission.
Mission intelligence
Explore connectionsMission activity
Listening for verified changes
Activity appears when ORBITAL observes a change between source records. No historical events are invented.
Read source update
NET October 7.
Schedule history
No changes recorded
Changes are recorded when ORBITAL retrieves data. The detection time may differ from the time the source changed its information.
Rocket
Ariane 64 Block 2ArianeGroup · FranceAriane 6 variant with four upgraded P160C solid boosters, enabling heavier payloads. Each P160C booster holds 14 additional tons of propellant, compared to the P120C boosters of the Block 1 variant.
Payload
Amazon Leo (LE-04)
Payload details are described in the mission overview. No independently structured payload manifest or payload mass has been provided by the source.
Target orbit
SCHEMATIC · NOT A FLIGHT TRAJECTORY
- Orbit
- Low Earth Orbit
- Classification
- LEO
Launch site
Ariane Launch Area 4
Guiana Space Centre, French Guiana
- Latitude
- 5.25632°
- Longitude
- -52.78684°
- Country
- French Guiana
- Time zone
- America/Cayenne
Live & mission coverage
No verified official livestream has been announced. Check mission sources for coverage updates.
Sources
Source links and confidence are preserved with each mission. Official updates take priority when verified.
Launch Library 2high · P80
ll.thespacedevs.com · Updated Sep 25, 2026 12:37 UTCMission referencemedium · P60
x.com · Updated Sep 25, 2026 12:37 UTCMission referencemedium · P60
centrespatialguyanais.cnes.fr · Updated Sep 25, 2026 12:37 UTCMission photographs are provided by the original sources. Their rights remain with their creators; consult the source before reusing an image.