Launch success, all satellites have separated.
Arianespace / MISSION BRIEFING
Amazon Leo (LE-03)
Ariane 64 Block 2 · Communications
Success
LAUNCH TIMEMISSION COMPLETETiming 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. 36 satellites will be carried on this Ariane 6 launch.
- Mission
- Amazon Leo (LE-03)
- 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.
Ignition
12:21 UTCStart of the engine ignition sequence
SCHEDULED
Liftoff
12:21 UTCFirst upwards movement of the rocket
SCHEDULED
SRB Separation
12:24 UTCThe solid rocket boosters are separated from the launcher.
SCHEDULED
Fairing Separation
12:25 UTCSeparation of the payload fairing
SCHEDULED
MECO
12:29 UTCCut-off of the main engine
SCHEDULED
Stage 2 Separation
12:29 UTCSeparation of the second stage from the first
SCHEDULED
SES-1
12:29 UTCFirst start of the second engine
SCHEDULED
SECO-1
12:39 UTCFirst cut-off of the second engine
SCHEDULED
SES-2
13:30 UTCSecond start of the second engine
SCHEDULED
SECO-2
13:30 UTCSecond cut-off of the second engine
SCHEDULED
Payload Deployment Sequence Start
13:48 UTCStart of the payload deployment sequence
SCHEDULED
Payload Deployment Sequence End
14:13 UTCEnd of the payload deployment sequence.
SCHEDULED
SES-3
15:02 UTCThird start of the second engine
SCHEDULED
SECO-3
15:03 UTCThird cut-off of the second engine
SCHEDULED
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
Liftoff.
New T-0.
Hold at T-01:08.
Tweaked T-0.
Official Webcast by Arianespace has started
NET June 17.
Reportedly targeting Q2 2026, as early as April or May
NET 2026 with the introduction of Block 2 for Kuiper, per https://spacenews.com/europe-aims-to-end-space-access-crisis-with-ariane-6s-inaugural-launch/
NET 2025
Added launch.
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-03)
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
Official mission broadcast. Stream availability is controlled by the provider.
Sources
Source links and confidence are preserved with each mission. Official updates take priority when verified.
Launch Library 2high · P80
ll.thespacedevs.com · Updated Jun 25, 2026 09:41 UTCMission referencemedium · P60
newsroom.arianespace.com · Updated Jun 25, 2026 09:41 UTCMission referencemedium · P60
www.youtube.com · Updated Jun 25, 2026 09:41 UTCMission referencemedium · P60
www.aboutamazon.com · Updated Jun 25, 2026 09:41 UTCMission referencemedium · P60
air-cosmos.com · Updated Jun 25, 2026 09:41 UTCMission referencemedium · P60
www.futura-sciences.com · Updated Jun 25, 2026 09:41 UTCMission referencemedium · P60
www.latribune.fr · Updated Jun 25, 2026 09:41 UTCMission referencemedium · P60
www.arianespace.com · Updated Jun 25, 2026 09:41 UTCMission photographs are provided by the original sources. Their rights remain with their creators; consult the source before reusing an image.