ISEE 1


Name of the satellite ISEE 1
Other name(s) Explorer 56
ISEE-A
10422
COSPAR designation 77-102A
Project(s) Manager(s) of the satellite Paul J. Pashby (retired)
Institute of the project(s) manager(s) NASA-GSFC
Country or Space Agency USA
Link(s) to Web site(s) http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=1977-102A
http://www-ssc.igpp.ucla.edu/ssc/isee/
http://ndads.gsfc.nasa.gov/arms/archives_ISEE1.holdings
Launch date (dd-mm-yyyy) 22-10-1977
Termination date (dd-mm-yyyy) 26-09-1987
Lifetime of the satellite (month) 119
Type of the orbits HEO
(Initial) Perigee (km) 281
(Initial) Apogee (km / Re) 138120 / 21.7
Orbital period (min / hour) 3556.8 / 59.3
Spin rate (rpm) 19.75
Eccentricity 0.91
Inclination (°) 28.76
Observed regions The outermost boundaries of the Earth's magnetosphere, the interface between the solar wind
and the Earth's magnetosphere, the plasma sheets, the plasmasphere and the magnetosheath
Observed waves *****
Name of the first experiment Fluxgate Magnetometer, Tri-axial
Name of the second experiment Quasi-static and low-frequency electric fields
(0.1-200 mV/m, frequency < 1000Hz)
Name of the third experiment Plasma waves: electric & magnetic fields spectra,
flux, direction, 5.62Hz - 311khz
Name of the fourth experiment DC and low frequency electric fields, double-probe, 0.19-1900 Hz