IMP In Space


IMP-8 Banner Image

IMP Charged Particle Measurement Experiment

at Fundamental Technologies


E. T. Sarris, S. M. Krimigis, and T. P. Armstrong

Observations of Energetic Particles near Interplanetary MHD Discontinuities


14th International Cosmic Ray Conference, Munich, Germany, August 15 - 29, 1975 (SP 5.3-8) (preprint)




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Updated 8/8/19, Cameron Crane


Mission Duration: Although only 10 years were originally expected for the lifetime of the IMP-8 spacecraft, it is still operational after 45+ years.

Destination: The IMP-8 spacecraft spends roughly half of its 12-day orbit in solar winds, with the other half spent studying the magnetosphere and magnetosheath of Earth.

Orbit: The IMP-8 spacecraft orbits in a geocentric elliptical orbit with an inclination varying from 0 to 55 degrees.