This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
Class: Astronomy. Type: Visible. Nation: Europe. Agency: ESA.
Scientific satellite for astrometry. Didn't reach GEO due to AKM failure; measured star positions. Frequency plan 2054.25 /2241 MHz. Launch time 2325:53 UT. Designator ESA/89/03.
Total Mass: 1,130 kg.
08 August 1989
Hipparcos Launch Site: Kourou . Launch Vehicle: Ariane 44LP. Mass: 1,130 kg. Perigee: 542 km. Apogee: 35,836 km. Inclination: 6.7 deg.
Didn't reach GEO due to AKM failure; measured star positions. Scientific satellite for astrometry. Frequency plan 2054.25 /2241 MHz. Launch time 2325:53 UT. Designator ESA/89/03.
- 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
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Last update 12 March 2001.
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© Mark Wade, 2001 .