Name of the satellite | ESA-GEOS 1 |
---|---|
Other name(s) | 9931 |
COSPAR designation | 77-029A |
Project(s) Manager(s) of the satellite | Derek E. Mullinger |
Institute of the project(s) manager(s) | ESA-SPICE |
Country or Space Agency | ESA |
Link(s) to Web site(s) | http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=1977-029A
http://www.esoc.esa.de/external/mso/geos.html |
Launch date (dd-mm-yyyy) | 20-04-1977 |
Termination date (dd-mm-yyyy) | 23-06-1978 |
Lifetime of the satellite (month) | 14 |
Type of the orbits | HEO |
(Initial) Perigee (km) | 2696 |
(Initial) Apogee (km / Re) | 38389 / 6 |
Orbital period (min / hour) | 734 / 12.2 |
Spin rate (rpm) | 10 |
Eccentricity | 0.6579 |
Inclination (°) | 26.5 |
Observed regions | Dayside magnetosphere (plasma bulge and plasmapause) |
Observed waves | Wave in the ULF, ELF and VLF frequency ranges |
Name of the first experiment | Magnetic Wave Fields (S-300) |
Name of the second experiment | Triaxial Fluxgate Magnetometer (S-331) |