Superbird-B1
| Mission type | Communication |
|---|---|
| Operator | Space Communications Corporation |
| COSPAR ID | 1992-010A |
| SATCAT no. | 21893 |
| Spacecraft properties | |
| Spacecraft | Superbird-B1 |
| Bus | SSL 1300 |
| Manufacturer | Space Systems/Loral |
| Launch mass | 2,560 kg (5,640 lb) |
| Dimensions | Stowed:2.41 m × 2.58 m × 2.20 m (7 ft 11 in × 8 ft 6 in × 7 ft 3 in) Solar arrays extended:20.3 m (67 ft) |
| Power | 4 kW |
| Start of mission | |
| Launch date | 23:58:10, February 26, 1992 |
| Rocket | Ariane-44L |
| Launch site | Kourou ELA-2 |
| Contractor | Arianespace |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Inclined geosynchronous |
| Semi-major axis | 42,311 km |
| Perigee | 36,105.9 km |
| Apogee | 36,202.3 km |
| Inclination | 12.3° |
| Period | 1,454.5 minutes |
| Epoch | 2016-08-19 00:00:00UTC |
| Transponders | |
| Band |
Ku band: 23 Ka band: 3 X band: 2 |
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Superbird-B1, sometimes identified as Superbird-1B, was a geostationary communications satellite designed and manufactured by Ford Aerospace (now SSL MDA) on the SSL 1300 platform. It was originally ordered by Space Communications Corporation (SCC), which later merged into the SKY Perfect JSAT Group. It had a mixed Ku band, Ka band and X band payload and was rushed into launch at the 162°E longitude due to the launch failure of Superbird-B.
It was ordered in 1985 along Superbird-A, Superbird-B and Superbird-A1 on the very first order of the SSL 1300 platform. It was also the second satellite of SCC on orbit and the fourth commercial satellite of Japan to enter operations. It was used for video distribution, news gathering, remote publishing and high definition TV service to the main islands of Japan and Okinawa.
The spacecraft was the third satellite designed and manufactured by Ford Aerospace on the SSL 1300 satellite bus. It was based on the design of the Intelsat V series and offered a three-axis stabilized platform.
It had a launch mass of 2,560 kg (5,640 lb) and a 10-year design life. When stowed for launch, its dimensions were 2.41 m × 2.58 m × 2.20 m (7 ft 11 in × 8 ft 6 in × 7 ft 3 in). With its solar panels fully extended it spanned 20.3 m (67 ft). Its power system generated approximately 3,984 W of power thanks to two wings with three solar panels each. It also had two NiH2 battery to survive the solar eclipses. It would serve as the main satellite on the 162°E longitude position of the Superbird fleet.
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