Program: Sirius. Objective: Communications. Overview: Geosynchronous communications satellite network. Major Events:
- 2007 November 17 - Sirius 4. Spacecraft: AS 2100. Mass: 4,600 kg (10,100 lb). Launch Site: Baikonur. Launch Vehicle: Proton.
Sirius 4 carried Ku-band and Ka-band communications payloads for Nordic, Baltic and East European communications. Three upper-stage burns placed Sirius 4 into a 6916 km x 35478 km x 17.4 deg geostationary transfer orbit. A series of maneuvers by the satellite using its own Leros engine maneuvered the satellite into geosynchronous orbit, stationed at 5 deg East.
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© Mark Wade, 1997 - 2008 except where otherwise noted.
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