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Observatory

ResourceID
spase://SMWG/Observatory/IMP7
ResourceHeader
ResourceName
IMP 7
AlternateName
1972-073A
AlternateName
Explorer 47
AlternateName
IMP-H
ReleaseDate
2019-05-05 12:34:56Z
Description

IMP-H continued the study begun by earlier IMP spacecraft of the interplanetary and magnetotail regions from a nearly circular orbit, near 37 earth radii. This 16-sided drum-shaped spacecraft was 157 cm high and 135 cm in diameter. It was designed to measure energetic particles, plasma, and electric and magnetic fields. The spin axis was normal to the ecliptic plane, and the spin period was 1.3 s. The spacecraft was powered by solar cells and a chemical battery. Scientific data were telemetered at 1600 bps (with a secondary 400-bps rate available). The spacecraft was turned off on October 31, 1978.

Contacts
RolePersonStartDateStopDateNote
1.ProjectScientistspase://SMWG/Person/Norman.F.Ness
2.ProjectScientistspase://SMWG/Person/Joseph.H.King
InformationURL
Name
NSSDC's Master Catalog
URL
Description

Information about the IMP-H mission

ObservatoryGroupID
Location
ObservatoryRegion
Heliosphere.NearEarth