Aurora
Tuning into the cosmos…
LoadingAriane 64
Ariane 64 Block 2 | Amazon Leo (LE-04)
Ariane 64 is set to launch Ariane 64 Block 2 | Amazon Leo (LE-04) on Wed, Oct 7, 2026, 12:00 AM UTC from Guiana Space Centre, French Guiana.
To Be DeterminedArianespace
Liftoff in
71days
16hrs
16min
NET Wed, Oct 7, 2026, 12:00 AM UTC
Mission profile
The flight at a glance
Ariane 64Vehicle
ArianespaceProvider
Ariane Launch Area 4Pad
Guiana Space Centre, French GuianaLocation
Amazon LeoProgram
CommunicationsMission type
Low Earth OrbitOrbit
Flight simulation
Ascent to orbit
A representative gravity-turn climb for Ariane 64 to Low Earth Orbit. Illustrative model — not this mission’s live telemetry.
Mission timeT+0:00
Altitude0.0 km
Velocity0.00 km/s
PhaseLiftoff
T+0:00 / 8:30
SimulatedRepresentative Ariane 64 ascent profile — illustrative model, not this mission’s live telemetry.
The mission
Amazon Leo (LE-04)
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.
Around this launch
Related news
No news linked to this launch yet
As coverage publishes, deduplicated articles about this mission will appear here.
Good to know
Frequently asked
What time does Ariane 64 Block 2 | Amazon Leo (LE-04) launch?
Ariane 64 Block 2 | Amazon Leo (LE-04) is scheduled to lift off Wed, Oct 7, 2026, 12:00 AM UTC — this page shows a live countdown.
Where can I watch Ariane 64 Block 2 | Amazon Leo (LE-04)?
A live webcast will appear on this page as soon as the provider publishes a stream link.
Who is launching Ariane 64 Block 2 | Amazon Leo (LE-04)?
Ariane 64 Block 2 | Amazon Leo (LE-04) is an Arianespace mission flying on a Ariane 64.
Where does Ariane 64 Block 2 | Amazon Leo (LE-04) launch from?
It lifts off from Ariane Launch Area 4, Guiana Space Centre, French Guiana.