Typical orbit: 449 km x 522 km at 51 degrees inclination. Mass: 102 kg (224 lb). Associated Launch Vehicle: Kosmos 11K65M.

• 1977 June 17 - Signe 3 - Program: Intercosmos. Launch Site: Kapustin Yar. Launch Vehicle: Kosmos 11K65M. Mass: 102 kg (224 lb). Perigee: 449 km (278 mi). Apogee: 522 km (324 mi). Inclination: 50.70 deg. Period: 94.30 min.

  This marked the first time the Kapustin Yar cosmodrome was opened to capitalist countries. 20 French specialists worked on the satellite.

• 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.

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

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