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astronautix.com HS 376W


Class: Communications. Nation: USA. Manufacturer: Hughes / Spar Aerospace.

Based on Hughes HS-376, single antenna on despun platform, spin stabilised, hydrazine thrusters, body mounted solar cells provide 982 W BOL. 24 C-band transponders with 6 spares, 10 W TWTA, EIRP >34 dBW over most of target territory.


Specification

Design Life: 8-10 years. Total Length: 7.1 m. Maximum Diameter: 2.2 m. Total Mass: 1,770 kg.


HS 376W Chronology


10 August 1994 Brasilsat B1 Program: Brasilsat. Launch Site: Kourou . Launch Vehicle: Ariane 44LP. Mass: 1,765 kg. Perigee: 35,782 km. Apogee: 35,791 km. Inclination: 0.0 deg.

28 C-band transponders, 1 X-band transponder (military). Stationed at 70.05 deg W.


28 March 1995 Brasilsat B2 Program: Brasilsat. Launch Site: Kourou . Launch Vehicle: Ariane 44LP. Mass: 1,780 kg. Perigee: 35,782 km. Apogee: 35,793 km. Inclination: 0.1 deg.

Stationed at 65.1 deg W.


04 February 1998 Brasilsat B3 Program: Brasilsat. Launch Site: Kourou . Launch Vehicle: Ariane 44LP . Perigee: 35,780 km. Apogee: 35,795 km. Inclination: 0.0 deg.

Geostationary at 84.0 degrees W.


17 August 2000 Brasilsat B-4 Launch Site: Kourou . Launch Vehicle: Ariane 44LP. Perigee: 35,773 km. Apogee: 35,799 km. Inclination: 0.0 deg.

Brasilsat B4 was a C-band geosynchronous communications satellite, replacing the 15-year-old Brasilsat A2 for the Brazilian communications company Embratel.



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Last update 12 March 2001.
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© Mark Wade, 2001 .