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Arianespace

Amazon Leo (LE-02)

Success

Ariane 64

T-minus to liftoff

HOURS

MINUTES

SECONDS

Thursday April 30 2026, 08:57:15 UTC

StatusSuccess

Scrub riskMODERATE

Go69%

VehicleAriane 64

OrbitLow Earth Orbit

PadAriane Launch Area 4

Launch CodexDossier

Every source for this mission in one place — news, social, references, notes & the exact timeline.

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General trajectory

Ariane Launch Area 4

Guiana Space Centre, French Guiana

Launching

Northeast

39° · NE

5.256, -52.787

Orbital elements (TLE)

2 element sets

Orbit

Apogee478 km

Perigee467 km

Period94.1 min

Inclination51.88°

Launch heading 39° · NE from Amazon Leo (LE-02) PO.

Parking orbitAmazon Leo (LE-02) PO› conemedium

1 70079U 26098A 26120.38744213 .00000000 00000-0 00000-0 0 9991

2 70079 51.8806 297.3938 0243439 079.5561 345.6000 15.84869045 00

OrbitAmazon Leo (LE-02)medium

1 70079U 26098A 26120.42309028 .00000000 00000-0 00000-0 0 9997

2 70079 51.8806 297.3825 0007593 087.8290 180.0275 15.31094518 07

Pre-launch TLEs from Dillon's Space Page. Estimated before flight — the real orbit is confirmed post-launch.

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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. 32 satellites are carried on this launch.

Q's read

Weather & scrubMODERATE risk

Weather Go69%Wind3 m/sGusts7 m/sCloud29%Temp27°C

Limiting rule: No flight within 10 nmi of an attached thunderstorm anvil.

3 anvil pixels (≥10 km top); nearest 10.6 nmi · GLM ingest not primed yet — cannot disambiguate active anvil from cirrus, treating conservatively

Jellyfish potentialMap & details →

Vivid

Launch Timeline

Countdown

T-00:00:07

Ignition

In-flight

T+00:00:00

Liftoff

T+00:02:23

SRB Separation

T+00:03:14

Fairing Separation

T+00:07:40

MECO

T+00:07:46

Stage 2 Separation

T+00:07:54

SES-1

T+00:19:12

SECO-1

T+01:11:21

SES-2

T+01:11:39

SECO-2

T+01:29:19

Payload Deployment Sequence Start

T+01:54:04

Payload Deployment Sequence End

T+02:42:24

SES-3

T+02:42:42

SECO-3

Quick facts

VehicleAriane 64

OrbitLow Earth Orbit

PadAriane Launch Area 4

SiteGuiana Space Centre, French Guiana

WindowThursday April 30 2026, 08:08:45 UTC→Thursday April 30 2026, 08:57:15 UTC

Vehicle

FamilyAriane

Height63 m

Diameter5.4 m

Stages2

ReusableNo

LEO capacity21,650 kg

Track record2/2 successful