All-sky survey of astronomical IR bodies.

Typical orbit: 884 km x 903 km at 99 degrees inclination. Mass: 1,073 kg (2,365 lb). Associated Launch Vehicle: Delta 3000.

• 1983 January 26 - IRAS - Launch Site: Vandenberg. Launch Vehicle: Delta 3000. Mass: 1,073 kg (2,365 lb). Perigee: 885 km (549 mi). Apogee: 903 km (561 mi). Inclination: 99.00 deg. Period: 102.90 min.

  All-sky survey of astronomical IR bodies. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).

• 1983 January 26 - PIX 2 - Launch Site: Vandenberg. Launch Vehicle: Delta 3000. Perigee: 856 km (532 mi). Apogee: 887 km (551 mi). Inclination: 100.03 deg. Period: 102.30 min.

• 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.

• 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.