Encyclopedia Astronautica
HS 376W


American communications satellite. 4 launches, 1994.08.10 (Brasilsat B1) to 2000.08.17 (Brasilsat B-4). Based on Hughes HS-376, single antenna on despun platform, spin stabilized, 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.

Hughes / Spar Aerospace

Gross mass: 1,770 kg (3,900 lb).
Height: 7.09 m (23.26 ft).
First Launch: 1994.08.10.
Last Launch: 2000.08.17.
Number: 4 .

More... - Chronology...


Associated Countries
See also
  • Ariane First successful European commercial launch vehicle, developed from L3S Europa launch vehicle replacement design. Development of the Ariane 1 was authorised in July 1973, took eight years, and cost 2 billion 1986 Euros. More...

Associated Launch Vehicles
  • Ariane French orbital launch vehicle. First successful European commercial launch vehicle, developed from L3S Europa launch vehicle replacement design. Development of the Ariane 1 was authorised in July 1973, took eight years, and cost 2 billion 1986 Euros. More...
  • Ariane 44LP French orbital launch vehicle. Ariane 4 with 2 liquid rocket + 2 solid rocket strap-ons. More...

Associated Manufacturers and Agencies
  • Hughes American manufacturer of rockets, spacecraft, and rocket engines. Hughes Aircraft Co. , USA More...

Associated Programs
Bibliography
  • McDowell, Jonathan, Jonathan's Space Home Page (launch records), Harvard University, 1997-present. Web Address when accessed: here.
  • McDowell, Jonathan, Jonathan's Space Report (Internet Newsletter), Harvard University, Weekly, 1989 to Present. Web Address when accessed: here.
  • JPL Mission and Spacecraft Library, Jet Propulsion Laboratory, 1997. Web Address when accessed: here.
  • NASA GSFC Orbital Parameters,
  • NASA/GSFC Orbital Information Group Website, Web Address when accessed: here.
  • Space-Launcher.com, Orbital Report News Agency. Web Address when accessed: here.

Associated Launch Sites
  • Kourou After the agreement with newly independent Algeria for France to evacuate their launch sites in that country, a location near Biscarosse was selected for French missile testing. However since only launches westwards across the Bay of Biscay could be made from this site, it was unsuitable for France's Diamant orbital launch vehicle. After reviewing 14 potential sites, a location in the South American French colony of Guiana was selected. This would allow over-water launches to a tremendous range of possible orbital inclinations -- from -100.5 deg to 1.5 deg. Being near the equator, it would provide the maximum assist from the earth's rotation for launches into equatorial orbits. The decision was formalized in April 1964 and in July 1966 ELDO chose the site for future launches of the Europa II launch vehicle. More...

HS 376W Chronology


1994 August 10 - . 23:05 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44LP. LV Configuration: Ariane 44LP+ V66.
  • Brasilsat B1 - . Mass: 1,765 kg (3,891 lb). Nation: Brazil. Agency: Tele Mex. Program: Brasilsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376W. USAF Sat Cat: 23199 . COSPAR: 1994-049A. Apogee: 35,791 km (22,239 mi). Perigee: 35,782 km (22,233 mi). Inclination: 0.0300 deg. Period: 1,436.12 min. 28 C-band transponders, 1 X-band transponder (military). Stationed at 70.05 deg W. Positioned in geosynchronous orbit at 70 deg W in 1994-1999 As of 3 September 2001 located at 70.00 deg W drifting at 0.003 deg W per day. As of 2007 Mar 11 located at 71.44W drifting at 0.304W degrees per day.

1995 March 28 - . 23:14 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44LP. LV Configuration: Ariane 44LP+ V71.
  • Brasilsat B2 - . Mass: 1,780 kg (3,920 lb). Nation: Brazil. Agency: Telebras. Program: Brasilsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376W. USAF Sat Cat: 23536 . COSPAR: 1995-016A. Apogee: 35,793 km (22,240 mi). Perigee: 35,782 km (22,233 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Stationed at 65.1 deg W. Positioned in geosynchronous orbit at 65 deg W in 1995-1999 As of 5 September 2001 located at 65.06 deg W drifting at 0.022 deg W per day. As of 2007 Mar 11 located at 65.05W drifting at 0.012W degrees per day..

1998 February 4 - . 23:29 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44LP. LV Configuration: Ariane 44LP-3 V105.
  • Brasilsat B3 - . Nation: Brazil. Agency: Embratel. Manufacturer: El Segundo. Program: Brasilsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376W. USAF Sat Cat: 25152 . COSPAR: 1998-006A. Apogee: 35,795 km (22,241 mi). Perigee: 35,780 km (22,230 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: Geostationary at 84.0 degrees W. Positioned in geosynchronous orbit at 84 deg W in 1998-1999 As of 3 September 2001 located at 84.03 deg W drifting at 0.009 deg W per day. As of 2007 Mar 9 located at 84.07W drifting at 0.013W degrees per day..

2000 August 17 - . 23:16 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44LP. LV Configuration: Ariane 44LP-3 V131.
  • Brasilsat B-4 - . Mass: 1,757 kg (3,873 lb). Nation: Brazil. Agency: Embratel. Manufacturer: El Segundo. Program: Brasilsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: HS 376W. USAF Sat Cat: 26469 . COSPAR: 2000-046A. Apogee: 35,799 km (22,244 mi). Perigee: 35,776 km (22,230 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Brasilsat B4 was a C-band geosynchronous communications satellite, replacing the 15-year-old Brasilsat A2 for the Brazilian communications company Embratel. Positioned in geosynchronous orbit at 75 deg W in 2000. As of 2 September 2001 located at 92.03 deg W drifting at 0.011 deg W per day. As of 2007 Mar 9 located at 70.08W drifting at 0.020W degrees per day.

Home - Browse - Contact
© / Conditions for Use