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

Design Life: 8-10 years. Typical orbit: Geosynchronous. Length: 7.09 m (23.26 ft). Maximum Diameter: 2.16 m (7.08 ft). Mass: 1,770 kg (3,900 lb). Associated Launch Vehicle: Ariane 44LP.

• 1994 August 10 - Brasilsat B1 - Program: Brasilsat. Launch Site: Kourou. Launch Vehicle: Ariane 44LP. Mass: 1,765 kg (3,891 lb). Perigee: 35,782 km (22,233 mi). Apogee: 35,791 km (22,239 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 - Brasilsat B2 - Program: Brasilsat. Launch Site: Kourou. Launch Vehicle: Ariane 44LP. Mass: 1,780 kg (3,920 lb). Perigee: 35,782 km (22,233 mi). Apogee: 35,793 km (22,240 mi). Inclination: 0.10 deg. Period: 1,436.10 min.

  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 - Brasilsat B3 - Program: Brasilsat. Launch Site: Kourou. Launch Vehicle: Ariane 44LP. Perigee: 35,780 km (22,230 mi). Apogee: 35,795 km (22,241 mi). Inclination: 0.00 deg. Period: 1,436.10 min.

  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 - Brasilsat B-4 - Launch Site: Kourou. Launch Vehicle: Ariane 44LP. Mass: 1,757 kg (3,873 lb). Perigee: 35,776 km (22,230 mi). Apogee: 35,799 km (22,244 mi). Inclination: 0.10 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.

• Space-Launcher.com, Orbital Report News Agency. Accessed at: http://www.orbireport.com/Log.html.

• McDowell, Jonathan, Jonathan's Space Home Page, Harvard University, 1997-present. Jonathan McDowell's complete on-line listing of all objects orbited and over 20,000 rocket launches Accessed at: http://www.planet4589.org/jsr.html.

• McDowell, Jonathan, Jonathan's Space Report (Internet Newsletter), Harvard University, Weekly, 1989 to Present. Essential internet newsletter recording worldwide weekly space events. Accessed at: http://www.planet4589.org/jsr.html.

• Krebs, Gunter, Gunter's Space Page, University of Frankfurt, 1996. Accessed at: http://www.skyrocket.de/space.

• JPL Mission and Spacecraft Library, Jet Propulsion Laboratory, 1997. Accessed at: http://msl.jpl.nasa.gov/home.html.

• NASA GSFC Orbital Parameters, .

• NASA/GSFC Orbital Information Group Website, . Accessed at: http://oig1.gsfc.nasa.gov/.