ESA-GEOS 1


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)