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Amazon Leo (LE-04) — Arianespace rocket launch
Arianespace · Ariane 64 Time TBD
Launch

Amazon Leo (LE-04)

2026 ORBITAL Nº215PAD FLIGHT 10AGENCY FLIGHT 329
No earlier than Wed, Oct 7, 2026, 12:00 AM UTC
The live stream link appears closer to launch.
Rocket
Ariane 64 Block 2
Pad
Ariane Launch Area 4
Orbit
Low Earth Orbit

Arianespace's Ariane 64 Block 2 is set to launch Amazon Leo (LE-04) no earlier than October 2026 from Ariane Launch Area 4, Guiana Space Centre, French Guiana. The countdown above is shown in your local timezone; the status updates live as the flight moves from To Be Confirmed to Go, and if it slips or scrubs. 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.

See it in person — plan a viewing trip

Watching from Guiana Space Centre, French Guiana? Here's how to make the trip — book a room, grab a viewing tour, and bring something to see liftoff up close.

Map of Ariane Launch Area 4
Ariane Launch Area 4 · Guiana Space Centre, French Guiana
Hotels near the site Tours & viewing tickets View launch site

Gear that makes liftoff and stage separation worth the trip:

Binoculars Spotting scope Camera + zoom

Full in-person viewing guide → · Is this launch visible from your location? →

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Where to watch Amazon Leo (LE-04)

Arianespace carries the official webcast on its own channel. When the stream link is published we surface it here, and embed the player on launch day. For the full rundown of where every provider streams — and how to catch it in your timezone — see how to watch a rocket launch live. New to the jargon? The launch glossary explains scrub, hold, MECO and the rest.

Frequently asked questions

When does Amazon Leo (LE-04) launch?
Amazon Leo (LE-04) is scheduled to launch no earlier than October 2026 from Ariane Launch Area 4, Guiana Space Centre, French Guiana. The countdown on this page shows the time in your local timezone and updates if the schedule changes.
Where can I watch Amazon Leo (LE-04) live?
Arianespace streams the launch on its official channel. When a webcast link is available it appears on this page, and the player is embedded on launch day.
What rocket is launching Amazon Leo (LE-04)?
Amazon Leo (LE-04) launches on Arianespace's Ariane 64 Block 2 from Ariane Launch Area 4, Guiana Space Centre, French Guiana.
Can I watch Amazon Leo (LE-04) in person?
Possibly, if you're near Guiana Space Centre, French Guiana. See our in-person viewing guide for the best public spots, and check whether this launch is visible from your location.

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