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Class: Technology. Nation: Europe. Agency: ESRO(ESRO 2B).
The ESRO series were small Scout-launched probes of near-earth space.
Total Mass: 85 kg.
30 May 1967
ESRO 2A Launch Site: Vandenberg . Launch Vehicle: Scout B. FAILURE: Third stage failure. Mass: 74 kg.
17 May 1968
ESRO 2B Launch Site: Vandenberg . Launch Vehicle: Scout B. Mass: 75 kg. Perigee: 334 km. Apogee: 1,085 km. Inclination: 97.2 deg.
03 October 1968
ESRO 1A Launch Site: Vandenberg . Launch Vehicle: Scout B. Mass: 81 kg. Perigee: 258 km. Apogee: 1,538 km. Inclination: 93.8 deg.
Aurora, polar ionosphere investigations.
01 October 1969
ESRO 1B Launch Site: Vandenberg . Launch Vehicle: Scout B. FAILURE: Partial Failure. Mass: 80 kg. Perigee: 298 km. Apogee: 378 km. Inclination: 85.0 deg.
Ionospheric and auroral investigations; lower than planned orbit. Fourth satellite of ESRO. Also registered by the United States in A/AC.105/INF.220 as United States space object 1969-83A, with category B and orbital parameters 90.6 min, 280 x 339 km x 85.1 deg.
22 November 1972
ESRO 4 Launch Site: Vandenberg . Launch Vehicle: Scout D. Mass: 114 kg. Perigee: 245 km. Apogee: 1,173 km. Inclination: 91.1 deg.
Polar ionosphere investigations. Seventh ESRO satellite. Mass 115 kg. Also registered by the United States as 1972-92A, in A/AC.105/INF.267, with orbital parameters 98.8 min, 244 x 1160 km x 91.1 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 .