All launches
TBD

Amazon Leo (LE-05)

Ariane 64 Block 2ArianespaceAriane Launch Area 4
Monday, December 31, 2029 · Time TBD

NextVulcain 2.1 IgnitionT-00:07

Calendar available when time is confirmed
Time to launch
Dec 31, 2029Exact time confirmed closer to launch
Launch window confidence
46% — Uncertain
Mission brief

The 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.

PayloadAmazon Leo (LE-05)
OrbitLow Earth Orbit
CustomerAmazon Leo
Stages2
PadAriane Launch Area 4, Guiana Space Centre, French Guiana
Flight plan

Mission timeline

0 / 90%
Up next · Countdown

Vulcain 2.1 Ignition

Main-stage Vulcain 2.1 engine ignition before liftoff

T-00:07
11:59 PM UTC
  • Vulcain 2.1 IgnitionT-00:07
The range

Where it leaves Earth

Launch site

Ground vector

Site locked

Ariane Launch Area 4

Guiana Space Centre, French Guiana

Global range
SITE LOCK
Latitude
5.256°N
Longitude
52.787°W

Can I see this?

Distance and a plain visibility call from a place you choose. Trajectory is not modeled — night launches travel farther across the sky than daylight ones.

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Range weather

Launch commit criteria

Clear
Watch
TrackingNo active constraints
Weather rules

Clear — tracking no weather issues at this time.

Primary concern
No weather issues
Rule count
0
Temperature
Not reported
Surface wind
Not reported
Window

12:00 AM UTC – 12:00 AM UTC

Hardware

Vehicle & provider

Vehicle

Ariane 64 Block 2

Profile →
Height63 m
LEO Payload21,900 kg
Launches380
Successes313
Provider

Arianespace

Profile →

FRA • Founded 1980

Reliability

Schedule history

No meaningful launch-time or status changes recorded.