Saved Download on the App Store
← Back to launches
Ariane 64 Block 2 | Amazon Leo (LE-04)
ArianespaceTo Be Determined

Amazon Leo (LE-04)

Ariane 64 Block 2

November 23, 2026 · time pending
Add to calendar

Latest published target

November 23, 2026 · time to be confirmed. An exact time has not been published.

Source record updated . This is a source update, not a confirmed launch time.

Check the source: Launch Library ↗

How to read launch targets and status

The latest on this mission

What changed?

NET November 23.

Update ↗

NET November.

Update ↗

Possible delay to launch due to Ariane 6 engines issue.

Update ↗
Time to target
Target pending

Target time, not a confirmed liftoff.

LAUNCH SITEGuiana Space Centre, French Guiana

Mission

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.

Launch vehicle
Ariane 64 Block 2
Mission type
Communications
Destination orbit
Low Earth Orbit
Launch pad
Ariane Launch Area 4
Provider
Arianespace
Programs
Amazon Leo

The vehicle

Published configuration and flight history.

Ariane 64 Block 2
ESA\CNES\ArianespaceArianeGroup\Optique Vidéo du CSG–T. Leduc
Launch vehicle

Ariane 64 Block 2

Ariane 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.

Height
63 m
Diameter
5.4 m
Stages
2
Recorded launches
1
First flight
2026-06-17

Launch window

Add to calendar

A precise launch window has not been published.

Launch site & orbit

Guiana Space Centre, French Guiana

The mission in perspective

Launch site & orbit

Explore the launch pad, then pull back to see the shape of the destination orbit.

Understand this orbit
NASA Blue Marble map of Earth's continents and oceans
Representative orbit · accelerated illustrationNo live tracking or simulated ascent. NASA Blue Marble.
Watch in person

Plan around the launch.

Public viewing access varies by launch site. Check the operator’s official information before travelling.

Leave room for delays. Recheck the launch target, local weather and road closures on the day.

Before you set off

  1. Confirm the target and launch window.
  2. Check official viewing access and any booking requirements.
  3. Use a permitted viewing area. The launch pad is not a visitor destination.
  4. Keep the mission’s coverage link as a backup.
Launch-day guide →

Coverage & sources

Links supplied by the mission data provider.
Coverage and times may change.

Mission coverage

No viewing link has been published yet.

Further reading

Launch Library ↗

Follow on iPhone

Get reminders and schedule-change alerts. One active mission free.

Open mission in Spacian ↗
Download on the App Store