Program: Asiasat. Objective: Communications. AsiaSat is a wholly owned subsidiary of Asia Satellite Telecommunications Holdings Ltd., a company listed on both the Hong Kong (SEHK: 1135HK) and New York (NYSE: SAT) stock exchanges. AsiaSat's two major shareholders are China International Trust and Investment Corporation (CITIC) and Société Européene des Satellites (SES), the operator of EuropeÌs premier ASTRA satellite system.
Major Events: - 1990 April 7 - Asiasat 1. Spacecraft: HS 376. Mass: 1,442 kg (3,179 lb). Launch Site: Xichang. Launch Vehicle: CZ.
First commercial Chinese launch; Stationed at 105 deg E; formerly Westar 6 (retrieved by STS-51A and refurbished). Fixed-satellite telecommunication services and transmission of television signals. Operational life about 10 years. Orbital position 105.5E. Owner/operator: Asia Satellite Telecommunications Co, Ltd. 23-24/F, East Exchange Tower, 38-40 Leighton Rd, Hong K ong. Telex 68345 ASAT HX Fax 852 576 4111. Operated in geosynchronous orbit at 105 deg E in 1990-1999; 122 deg E in 1999-2000. As of 3 September 2001 located at 121.97 deg E drifting at 0.009 deg E per day. As of 2007 Mar 10 located at 23.96E drifting at 3.706W degrees per day.
- 1999 March 21 - Asiasat 3S. Spacecraft: HS 601. Mass: 3,463 kg (7,634 lb). Launch Site: Baikonur. Launch Vehicle: Proton.
A replacement for Asiasat 3, placed in the wrong orbit by a Proton launch in 1997, Asiasat 3S carried C and Ku band transponders. The Blok DM3 upper stage placed it a 9,677 km x 35,967 km x 13.1 deg geosynchronous transfer orbit. Asiasat's on-board R4D apogee engine was to be used to raise perigee to geostationary altitude. Mass in transfer orbit was 3,463 kg, down to 2,500 kg after insertion in geostationary orbit. Operated in geosynchronous orbit at 105 deg E from 1999. As of 4 September 2001 located at 105.52 deg E drifting at 0.008 deg E per day. As of 2007 Mar 11 located at 105.46E drifting at 0.017W degrees per day.
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© Mark Wade, 1997 - 2008 except where otherwise noted.
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