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Star One C3 & Eutelsat 21B (Ariane 5 ECA) launch | T-Minus Zero

Launch detail

Ariane 5 ECA | Star One C3 & Eutelsat 21B

Name: Ariane 5 ECA | Star One C3 & Eutelsat 21B
Start: 2012-11-10
Location: Ariane Launch Area 3

Arianespace • Ariane 5 ECA • Ariane Launch Area 3 (FR-GF)

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SuccessROUTINE

218, B-SAT

Arianespace • Ariane 5 ECA • LA-3

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Mission summary

Eutelsat 21B is a French communications satellite providing direct to home broadcasting services from geostationary orbit at 21.5 degrees East, replacing the aging Eutelsat 21A. Star One C3 is a communications satellite replacing Brasilsat B3 in the 75 degrees West position.

Status: Success
Provider: Arianespace
Vehicle: Ariane 5 ECA
Launch site: Ariane Launch Area 3, Guiana Space Centre, French Guiana
Mission type: Communications
Orbit: Geostationary Transfer Orbit

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This rocket: Ariane 5 ECA

Launch Library 2 (The Space Devs)Wikimedia Commons · CC BY-SA 3.0 igoWikimedia Commons · CC BY-SA 2.0

Launch pad: Ariane Launch Area 3

Launch Library 2 (The Space Devs)Wikimedia Commons · CC BY-SA 4.0

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Vehicle timeline

Ariane 5 ECA launches across time.

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Launch info

Provider

Arianespace

Vehicle

Ariane 5 ECA

Pad

Ariane Launch Area 3 (LA-3)

State

FR-GF

NET

2012-11-10T21:05:07+00:00

Window start

2012-11-10T21:05:07+00:00

Window end

2012-11-10T21:05:07+00:00

Orbit

Geostationary Transfer Orbit

Mission type

Communications

Launch site

Guiana Space Centre, French Guiana

Change log

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Details

Update 1

NET updated

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Update 2

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Update 3

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Launch story

Mission stats

Provider, rocket, pad, and booster history tied to this launch.

2026 snapshot

Provider legacy

Arianespace

208

Launch attempts including this one

7 in 2026

Arianespace has 208 launches on record, with 7 in 2026.

Rocket track record

Ariane 5 ECA

Successful missions

0 in 2026

Ariane 5 ECA has 71 successful missions on record, with 0 in 2026.

Pad history

Ariane Launch Area 3

Pad launches

6 in 2026

Ariane Launch Area 3 has 66 launches from this pad on record, with 6 in 2026.

Rocket reliability

97% all time

2026: no completed missions yet

Pad turnaround

42d 23h

Reported pad reuse cadence.

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