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Platforms > Space-based Platforms > Solar/Space Observation Satellites > Explorer > EXPLORER-33

Preferred term

EXPLORER-33  

Definition

  • AIMP-1 (also known as AIMP-D or IMP-D or Explorer 33, NSSDC ID: 66-058A) was launched into a lunar orbit in order to 'anchor' it to the lunar distance from the earth. AIMP-1 was a spin-stabilized spacecraft with spin axis parallel to the ecliptic plane, and spin period varying between 2.2 sec and 3.6 sec. The spacecraft was instrumented for studies of interplanetary plasma, energetic charged particles [electrons, protons and helium ions (alpha particles)], magnetic fields, and solar X-rays at lunar distances. Unfortunately, the spacecraft failed to achieve lunar orbit but did achieve major mission objectives. The initial AIMP-1 apogee occurred at about 16:00 hour local time. Over the first 3-year period, perigee varied between 6 earth radii and 44 earth radii and apogee varied between 70 earth radii and 135 earth radii. The inclination with respect to the equatorial plane of the earth varied between 7 degrees and 60 degrees. Group: Platform_Details Entry_ID: EXPLORER-33 Group: Platform_Identification Platform_Category: Solar/Space Observation Satellites Platform_Series_or_Entity: EXPLORER Short_Name: EXPLORER-33 Long_Name: Interplanetary Monitoring Platform D (IMP-D) End_Group Group: Synonymous_Platform_Names Short_Name: Explorer 33 Short_Name: AIMP-D Short_Name: IMP-D End_Group Group: Orbit Orbit_Inclination: 24.4 degrees Period: 3879 min Perigee: 2657 km Apogee: 4808 km End_Group Creation_Date: 2007-12-14 Online_Resource: http://nssdc.gsfc.nasa.gov/nmc/masterCatalog.do?sc=1966-058A Sample_Image: http://nssdc.gsfc.nasa.gov/image/spacecraft/explorer33.jpg Group: Platform_Logistics Launch_Date: 1966-07-01 Launch_Site: Cape Canaveral/Kennedy Space Center, USA Primary_Sponsor: NASA End_Group End_Group (en)

Broader concept

URI

https://gcmd.earthdata.nasa.gov/kms/concept/e54cff9a-7866-448b-adad-88b344021e3c

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