Also called:
Interplanetary Monitoring Platform J
(IMP-J)
Date of launch (range):
Oct. 25, 1973 (ETR)
Launch vehicle:
Delta 1604
Shape:
16-sided (drum-shaped)
Weight (kg):
397.2
Dimensions (m):
1.26, diameter
1.58, height
Power source:
solar arrays plus AgCd battery
Date of reentry:
N/A
Prime contractor:
in-house
Responsible NASA center:
GSFC
Project manager:
William R. Limberis
Project scientist:
Norman F. Hess
Objectives:
To perform detailed and
near-continuous studies of the interplanetary environment
for orbital periods comparable to several rotations of
active solar region and study particle and field
interactions in the distant magnetotail.
Experiments (responsible
organization):
.
Magnetic fields (GSFQ
Cosmic ray, 2 (GSFC; Univ. of
Chicago)
Energetic particles (National Oceanic
and Atmospheric Administration)
Charged particles (Applied Physics
Laboratory, Johns Hopkins)
Electrons and isotopes (California
Institute of Technology)
Ions and electrons (Univ. of
Maryland)
DC electric fields (GSFQ
AC electric and magnetic fields
(Univ. of Iowa)
Low-energy particles (Univ. of
Iowa)
Plasma, 2 (Los Alamos Scientific
Laboratory; Massachusetts Institute of Technology)
Results:
Successful; last in a series of 10
IMPs.
Reference: MOR S-861-73-10, Oct. 12, 1973.