IMP-1 / Explorer-18

IMP-series
and AIMP-series
satellites

AIMP-1/2 type / Explorer-33/35
IMP-1AIMP-1/2 type

Below is a list of Interplanetary Monitoring Platform (IMP) and Anchored Interplanetery Monitoring Platform (AIMP) series satellites, including launch dates and links to information on the satellites. If readers know of additional information, please contact the authors using the e-mail addresses at the bottom of this page.


Since all IMP-series and AIMP-series satellites have Explorer names as well, launch covers and other postal items for these satellites are found on the Explorer page.

SatelliteLaunch DateOther Name
Interplanetary Monitoring Platform (IMP)
and
Anchored Interplanetery Monitoring Platform (AIMP)
IMP-1 (IMP-A)1963-11-26Explorer-18
IMP-2 (IMP-B)1964-10-04Explorer-21
IMP-3 (IMP-C)1965-05-29Explorer-28
AIMP-1 (IMP-D)1966-07-01Explorer-33
IMP-4 (IMP-F)1967-05-24Explorer-34
AIMP-2 (IMP-E)1967-07-19Explorer-35
IMP-5 (IMP-G)1969-06-21Explorer-41
IMP-6 (IMP-H)1971-03-13Explorer-43
IMP-7 (IMP-I)1972-09-22Explorer-47
IMP-8 (IMP-J)1973-10-25Explorer-50


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Updated: 2016-08-23