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Class: Earth. Type: Magnetosphere. Nation: Europe. Agency: ESRO.
Highly Eccentric Orbiting Satellite; examined magnetic fields outside of Earth's magnetosphere.
Total Mass: 116 kg.
05 December 1968
HEOS 1 Launch Site: Cape Canaveral . Launch Vehicle: Delta E. Mass: 108 kg. Perigee: 20,020 km. Apogee: 202,780 km. Inclination: 60.5 deg.
Highly Eccentric Orbiting Satellite; examined magnetic fields outside of Earth's magnetosphere. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).
31 January 1972
HEOS 2 Launch Site: Vandenberg . Launch Vehicle: Delta L. Mass: 123 kg. Perigee: 405 km. Apogee: 240,164 km. Inclination: 89.9 deg.
Highly Eccentric Orbiting Satellite; particles and fields data. Fifth satellite of ESRO. Also registered as US object 1972-05A in A/AC.105/INF.248 with orbit 7835.4 min, 439 x 248160 km x 90.2 deg, category B.
- 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 .