Microgravity experiments; deployed from one shuttle mission, left in earth orbit for extended periods, and retrieved and returned to earth on a later shuttle flight. Frequency plan: 2053.4583/22 30 MHz, 28 GHz/ 18 GHz (data-relay via Olympus).

Total Mass: 4,491 kg.

Microgravity experiments; deployed from STS-46 8/2/92; retrieved by STS-57; European Retrievable Carrier. EURECA is a European scientific and technology mission, launched by the US Space Transportation System. The spacecraft is scheduled to be retrieved likewise by the US/STS in late spring/early summer 1993. Designator ESA/92/01. Frequency plan: 2053.4583/22 30 MHz, 28 GHz/ 18 GHz (data-relay via Olympus).

• 2 - McDowell, Jonathan, The United Nations Registry of Space Objects, Harvard University, 1997. HTML when accessed: http://hea-www.harvard.edu/QEDT/jcm/space/un/un.html
• 6 - JPL Mission and Spacecraft Library, Jet Propulsion Laboratory, 1997. HTML when accessed: http://msl.jpl.nasa.gov/home.html
• 279 - McDowell, Jonathan, Launch Log, October 1998. HTML when accessed: http://hea-www.harvard.edu/~jcm/space/log/launch.html