Dual-payload flight carrying Eutelsat's 5,370 kg W3B communications satellite and Japan's BSAT-3b broadcasting satellite for B-SAT into geostationary transfer orbit from Kourou. The rocket performed nominally, but W3B was declared a total loss days later after a large propellant leak was found, unrelated to the launch.
- Outcome
- Success
- Orbit
- GTO
- Geostationary transfer orbit
- Payload to orbit
- 7.9 T
- Flight
- 27th
- of 73 Ariane 5 ECA flights
- Date and time
- 28 October 2010, 21:51 UTC
- Rocket
- Ariane 5 ECA
- Builder
- ArianeGroup
- Launch site
- Ariane Launch Area 3, Guiana Space Centre, French Guiana
- Payload
- Communications
- International designator
- 2010-056
- Launches in 2010
- 58th of 74
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