BSAT-2b
| Mission type | Communication |
|---|---|
| Operator | B-SAT |
| COSPAR ID | 2001-029B |
| SATCAT no. | 26864 |
| Mission duration | Launch failure |
| Spacecraft properties | |
| Spacecraft | BSAT-2b |
| Bus | STAR-1 |
| Manufacturer | Orbital Sciences Corporation |
| Launch mass | 1,317 kg (2,903 lb) |
| Dry mass | 535 kg (1,179 lb) |
| Dimensions | 3.76 m × 2.49 m × 2.03 m (12.3 ft × 8.2 ft × 6.7 ft) |
| Power | 2.6 kW |
| Start of mission | |
| Launch date | 23:58, July 12, 2001 (failure) |
| Rocket | Ariane 5G V-142 |
| Launch site | Guiana Space Center ELA-3 |
| Contractor | Arianespace |
| End of mission | |
| Disposal | Decayed from wrong orbit |
| Decay date | January 28, 2014 |
| Transponders | |
| Band | 4 (plus 4 spares) Ku band |
| TWTA power | 130 Watts |
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BSAT-2b, was a geostationary communications satellite ordered by B-SAT which was designed and manufactured by Orbital Sciences Corporation on the STAR-1 platform. It was designed to be stationed on the 110° East orbital slot along its companion BSAT-2a where it would provide redundant high definition direct television broadcasting across Japan.
But the Ariane 5G rocket had an anomaly during its July 12, 2001 launch. It left BSAT-2b stranded in an orbit too low for the its propulsion system to compensate and the spacecraft was wrote off. BSAT ordered BSAT-2c immediately to replace it. It decayed and burned in the atmosphere on January 28, 2014.
BSAT-2b was designed and manufactured by Orbital Sciences Corporation on the STAR-1 satellite bus for B-SAT. It had a launch mass of 1,317 kg (2,903 lb), a dry mass of 927 kg (2,044 lb), and a 10-year design life. As all four STAR-1 satellites, it had a solid rocket Star 30CBP apogee kick motor for orbit raising, plus 200 kg (440 lb) of propellant for its liquid propellant station keeping thrusters.
It measured 3.76 m × 2.49 m × 2.03 m (12.3 ft × 8.2 ft × 6.7 ft) when stowed for launch. Its dual wing solar panels can generate 2.6 kW of power at the beginning of its design life, and span 16.10 m (52.8 ft) when fully deployed.
It has a single Ku band payload with four active transponders plus four spares with a TWTA output power of 130 Watts.
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