Air traffic control radar calibration.

Typical orbit: 345 km x 354 km at 57 degrees inclination. Mass: 52 kg (114 lb). Associated Launch Vehicle: Shuttle.

• 1985 April 29 - NUSAT-1 - Launch Site: Cape Canaveral. Launch Vehicle: Shuttle. Mass: 52 kg (114 lb). Perigee: 345 km (214 mi). Apogee: 354 km (219 mi). Inclination: 57.00 deg. Period: 91.50 min.

  Air traffic control radar calibration. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

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

• 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.

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

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