Ariane 64 Block 2 | Amazon Leo (LE-03) launch

ArianespaceLaunch SuccessfulCommunications

Amazon Leo

Name: Ariane 64 Block 2 | Amazon Leo (LE-03)
Start: 2026-06-17T12:21:52Z
Location: Ariane Launch Area 4, Guiana Space Centre, French Guiana

Ariane 64 Block 2 · LE-03

Launched Wed, Jun 17 · 12:21:52 PM UTC2026-06-17 12:21:52 UTCAriane Launch Area 4, Guiana Space Centre, French Guiana

Reached orbit

Follow Arianespace in the app Watch the replay

Success

Reached Low Earth Orbit

The second stage shut down at T+17:51 and released the payload at T+1:26:32.

Worldwide

145th

orbital launch attempt in 2026

Arianespace

3rd

launch this year

Ariane Launch Area 4

3rd

launch from this pad this year

Pad turnaround

48 d 3 h

since the pad's previous launch

Replay

Replay: Flight VA269 | Amazon Leo LE-03 | Ariane 6 | Arianespace

The Flight Plan

Planned times, from liftoff at 12:21 PM UTC. The result is at the top of the page.

Countdown1

T−0:0712:21 PMStart of the engine ignition sequence

Show the countdown (1 step)

T−0:0712:21 PMStart of the engine ignition sequence

Ascent6

T+0:0012:21 PMFirst upwards movement of the rocket
T+2:2112:24 PMThe solid rocket boosters are separated from the launcher.
T+3:1112:25 PMSeparation of the payload fairing
T+7:4512:29 PMCut-off of the main engine
T+7:5112:29 PMSeparation of the second stage from the first
T+7:5912:29 PMFirst start of the second engine

Second Stage and Payload7

T+17:5112:39 PMFirst cut-off of the second engine
T+1:08:441:30 PMSecond start of the second engine
T+1:09:021:30 PMSecond cut-off of the second engine
T+1:26:321:48 PMStart of the payload deployment sequence
T+1:51:172:13 PMEnd of the payload deployment sequence.
T+2:40:573:02 PMThird start of the second engine
T+2:41:153:03 PMThird cut-off of the second engine

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.

36 satellites will be carried on this Ariane 6 launch.

Launch Provider

Arianespace

Commercial · France · Founded 1980 · CEO David Cavaillolès

Arianespace SA is a multinational company founded in 1980 as the world's first commercial launch service provider. It undertakes the production, operation, and marketing of the Ariane programme. Their vehicles launch exclusively from French Guiana in South America.

Launches

328

Successful

313

95%

Upcoming

scheduled

FliesAriane Vega

All Arianespace launches Website Wikipedia

Updates

Jun 17 · 2:15 PM
Launch success, all satellites have separated.
Cosmic_Penguin
Jun 17 · 12:23 PM
Liftoff.
Cosmic_Penguin
Jun 17 · 12:14 PM
New T-0.
Cosmic_Penguin
Jun 17 · 11:53 AM
Hold at T-01:08.
Cosmic_Penguin
Jun 17 · 11:46 AM
Tweaked T-0.
Cosmic_Penguin

Show earlier updates

Jun 17 · 11:21 AM
Official Webcast by Arianespace has started
Launch Library 2
Jun 5 · 2:17 PM
NET June 17.
Cosmic_Penguin
Jan 19 · 7:27 AM
Reportedly targeting Q2 2026, as early as April or May
Nosu
Jun 26 · 2:40 PM
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/
Nosu
Oct 12 · 3:07 PM
NET 2025
Nosu
Apr 6 · 7:19 AM
Added launch.
Cosmic_Penguin

Ariane 64 Block 2

Vehicle history

Height

63m

Diameter

5.4m

To low Earth orbit

21,900kg

Space Launch Now for iOS and Android

Notifications before every launch you follow, live countdowns on your home screen and watch, and webcasts as they start.

See what's in the app

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ArianespaceLaunch SuccessfulCommunications

Amazon Leo

Ariane 64 Block 2 · LE-03

Launched Wed, Jun 17 · 12:21:52 PM UTC2026-06-17 12:21:52 UTCAriane Launch Area 4, Guiana Space Centre, French Guiana

Reached orbit

Follow Arianespace in the app Watch the replay

Success

Reached Low Earth Orbit

The second stage shut down at T+17:51 and released the payload at T+1:26:32.

Worldwide

145th

orbital launch attempt in 2026

Arianespace

3rd

launch this year

Ariane Launch Area 4

3rd

launch from this pad this year

Pad turnaround

48 d 3 h

since the pad's previous launch

Replay

Replay: Flight VA269 | Amazon Leo LE-03 | Ariane 6 | Arianespace

The Flight Plan

Planned times, from liftoff at 12:21 PM UTC. The result is at the top of the page.

Countdown1

T−0:0712:21 PMStart of the engine ignition sequence

Show the countdown (1 step)

T−0:0712:21 PMStart of the engine ignition sequence

Ascent6

T+0:0012:21 PMFirst upwards movement of the rocket
T+2:2112:24 PMThe solid rocket boosters are separated from the launcher.
T+3:1112:25 PMSeparation of the payload fairing
T+7:4512:29 PMCut-off of the main engine
T+7:5112:29 PMSeparation of the second stage from the first
T+7:5912:29 PMFirst start of the second engine

Second Stage and Payload7

T+17:5112:39 PMFirst cut-off of the second engine
T+1:08:441:30 PMSecond start of the second engine
T+1:09:021:30 PMSecond cut-off of the second engine
T+1:26:321:48 PMStart of the payload deployment sequence
T+1:51:172:13 PMEnd of the payload deployment sequence.
T+2:40:573:02 PMThird start of the second engine
T+2:41:153:03 PMThird cut-off of the second engine

Mission

36 satellites will be carried on this Ariane 6 launch.

Launch Provider

Arianespace

Commercial · France · Founded 1980 · CEO David Cavaillolès

Launches

328

Successful

313

95%

Upcoming

scheduled

FliesAriane Vega

All Arianespace launches Website Wikipedia

Updates

Jun 17 · 2:15 PM
Launch success, all satellites have separated.
Cosmic_Penguin
Jun 17 · 12:23 PM
Liftoff.
Cosmic_Penguin
Jun 17 · 12:14 PM
New T-0.
Cosmic_Penguin
Jun 17 · 11:53 AM
Hold at T-01:08.
Cosmic_Penguin
Jun 17 · 11:46 AM
Tweaked T-0.
Cosmic_Penguin

Show earlier updates

Jun 17 · 11:21 AM
Official Webcast by Arianespace has started
Launch Library 2
Jun 5 · 2:17 PM
NET June 17.
Cosmic_Penguin
Jan 19 · 7:27 AM
Reportedly targeting Q2 2026, as early as April or May
Nosu
Jun 26 · 2:40 PM
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/
Nosu
Oct 12 · 3:07 PM
NET 2025
Nosu
Apr 6 · 7:19 AM
Added launch.
Cosmic_Penguin

Ariane 64 Block 2

Vehicle history

Height

63m

Diameter

5.4m

To low Earth orbit

21,900kg

Next From Guiana Space Centre

Guiana Space Centre schedule

Nov23Mon

Amazon Leo (LE-04)Arianespace · Ariane 64 Block 2 · Ariane Launch Area 4, Guiana Space Centre, French GuianaLow Earth OrbitTo be determinedTime TBD Dec—NET

Metop-SG B1Arianespace · Ariane 62 · Ariane Launch Area 4, Guiana Space Centre, French GuianaSun-Synchronous OrbitTo be determinedNET December

Space Launch Now for iOS and Android

Notifications before every launch you follow, live countdowns on your home screen and watch, and webcasts as they start.

See what's in the app

Scan to open on your phone

Amazon Leo

Replay

More Videos

The Flight Plan

Countdown1

Ascent6

Second Stage and Payload7

Mission

Arianespace

Updates

Ariane 64 Block 2

Amazon Leo

Replay

More Videos

The Flight Plan

Countdown1

Ascent6

Second Stage and Payload7

Mission

Arianespace

Updates

Ariane 64 Block 2

Next From Guiana Space Centre

Next From Guiana Space Centre

Amazon Leo

Replay

More Videos

The Flight Plan

Countdown1

Ascent6

Second Stage and Payload7

Mission

Arianespace

Updates

Ariane 64 Block 2

Never Miss a Launch.

Amazon Leo

Replay

More Videos

The Flight Plan

Countdown1

Ascent6

Second Stage and Payload7

Mission

Arianespace

Updates

Ariane 64 Block 2

Next From Guiana Space Centre

Never Miss a Launch.

Next From Guiana Space Centre