IMP In Space


IMP-8 Banner Image

IMP Charged Particle Measurement Experiment

at Fundamental Technologies


IMP Journal Publications and Conference Proceedings


1972 - 1979



1980 - 1989



1990 - Present



IMP Reference Materials, Handbooks, and Notes



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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.