BSAT-1a
| Mission type | Communications |
|---|---|
| Operator | BSAT |
| COSPAR ID | 1997-016B |
| SATCAT № | 24769 |
| Spacecraft properties | |
| Bus | HS-376 |
| Manufacturer | Hughes |
| Launch mass | 1,236 kilograms (2,725 lb) |
| BOL mass | 723 kilograms (1,594 lb) |
| Power | 1,200 watts[1] |
| Start of mission | |
| Launch date | 16 April 1997, 23:08:44 UTC[2] |
| Rocket | Ariane 44LP |
| Launch site | Kourou ELA-2 |
| Contractor | Arianespace |
| End of mission | |
| Disposal | Decommissioned |
| Deactivated | 3 August 2010[3] |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Longitude | 110° east |
| Perigee | 36,097 kilometres (22,430 mi) |
| Apogee | 36,140 kilometres (22,460 mi) |
| Inclination | 3.33 degrees |
| Period | 24.21 hours |
| Epoch | 11 November 2014, 19:05:02 UTC[4] |
BSAT-1a was a Japanese communications satellite operated by the Broadcasting Satellite System Corporation. Launched in 1997 it was operated in geostationary orbit at a longitude of 110° east until its decommissioning on 3 August 2010.[3] The spacecraft has the International Designator 1997-016B and the catalogue number 24769.[5]
Constructed by Hughes, BSAT-1a was built around the HS-376 satellite bus. It had a mass at launch of 723.0 kilograms (1,593.9 lb) and was designed for ten years of service.[6] The spacecraft's communications payload consisted of eight ku-band transponders; four primary and four backup; which were used for analogue television broadcasting.[6][1]
The spacecraft was launched by Arianespace, atop a Ariane 44LP, flight number V95, flying from ELA-2 at Kourou. The launch took place at 23:08:44 UTC on 16 April 1997, successfully placing BSAT-1a and Thaicom 3 into a geostationary transfer orbit.[2] The satellite subsequently manoeuvred into its operational geostationary orbit by means of its Star 30BP apogee motor.
References
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