TRS Credit - NASA

TRS satellites undertook a range of engineering experiments related to radiation-hardening of solar cells and spacecraft electronics.

Typical orbit: 2138 x 43873 km, 67.1 deg inclinaton. Associated Launch Vehicle: Atlas LV-3A / Agena B, Atlas LV-3A / Agena D.

• 1963 July 19 - TRS 4 - Launch Site: Point Arguello. Launch Vehicle: Atlas LV-3A / Agena B. Mass: 2.00 kg (4.40 lb). Perigee: 3,661 km (2,274 mi). Apogee: 3,736 km (2,321 mi). Inclination: 88.40 deg. Period: 167.80 min.

  Radiation damage data. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A).

• 1963 May 9 - TRS 2 - Launch Site: Point Arguello. Launch Vehicle: Atlas LV-3A / Agena B. Mass: 1.00 kg (2.20 lb). Perigee: 2,269 km (1,409 mi). Apogee: 4,902 km (3,045 mi). Inclination: 87.20 deg. Period: 165.00 min.

  Solar cells damage data. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A).

• 1963 May 9 - TRS 3 - Launch Site: Point Arguello. Launch Vehicle: Atlas LV-3A / Agena B. Mass: 1.00 kg (2.20 lb). Perigee: 3,591 km (2,231 mi). Apogee: 3,691 km (2,293 mi). Inclination: 87.30 deg. Period: 166.40 min.

  Solar cells damage data. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A).

• 1963 October 17 - TRS 5 - Launch Site: Cape Canaveral. Launch Vehicle: Atlas LV-3A / Agena D. Mass: 2.00 kg (4.40 lb). Perigee: 953 km (592 mi). Apogee: 102,372 km (63,610 mi). Inclination: 35.90 deg. Period: 2,319.40 min.

  Decay date suspect Space craft engaged in investigation of spaceflight techniques and technology (US Cat A).

• 1964 July 17 - TRS 6 - Launch Site: Cape Canaveral. Launch Vehicle: Atlas LV-3A / Agena D. Mass: 12 kg (26 lb). Perigee: 217 km (134 mi). Apogee: 104,665 km (65,035 mi). Inclination: 36.70 deg. Period: 2,366.20 min.

  Decay date suspect Space craft engaged in investigation of spaceflight techniques and technology (US Cat A).

• USAF Satellite Database, USAF Institute of Technology, 1995. Accessed at: ftp://archive.afit.af.mil/pub/space/.

• 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.

• 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.

• Lockheed Martin Coporation, Atlas Family Fact Sheets, September 1998.. Accessed at: http://www.lmco.com/ILS/txtmain/ils_lsysinfo.htm.

• McDowell, Jonathan, Launch Log, October 1998. Jonathan McDowell's complete on-line listing of all objects orbited since Sputnik. Accessed at: http://hea-www.harvard.edu/~jcm/space/log/launch.html.