Superbird-7 & AMC-21

Launch Time
Thu Aug 14, 2008 20:44 UTC

Flight V185.


Ariane 5 ECA
Image Credit: Arianespace
Status: Retired
Price: $200.0 million
Liftoff Thrust: 15,120 kN
Payload to LEO: 21,000 kg
Payload to GTO: 10,500 kg
Stages: 2
Strap-ons: 2
Rocket Height: 53.0 m
Fairing Diameter: 5.4 m
Fairing Height: 17.0 m

Mission Details


Superbird-C2, known as Superbird-7 before launch, is a geostationary communications satellite operated by JSAT Corporation and designed and manufactured by Mitsubishi Electric on the DS2000 platform. It was the first commercial communications satellite built in Japan.
It was originally ordered by Space Communications Corporation, but it was later merged and absorbed by JSAT Corporation, and by the time of the actual launch it was a fully used Superbird-C2 as a replacement for Superbird-C to provide communications services to Japan, Eastern Asia, and the Pacific Ocean.

Payloads: 1
Total Mass: 4,820.0 kg
Geostationary Transfer Orbit


AMC-21 is based on a STAR-2 platform that provides 4.4 kilowatts of power for the communications payload. The platform will support a 15-year on-orbit mission life. It carries 24 J band (IEEE Ku band) transponders, which will be used to broadcast television signals to Canada the Caribbean, Mexico, and the United States.

Payloads: 1
Total Mass: 2,500.0 kg
Geostationary Transfer Orbit


ELA-3, Guiana Space Centre, French Guiana, France



39th orbital launch attempt


173rd mission
5th mission of 2008
166th successful mission
29th consecutive successful mission

Ariane 5

41st mission
5th mission of 2008
37th successful mission
27th consecutive successful mission