Kind: Space physics
State: Successful
Place: Moon
Operator: NASA
Start:
Duration: 2,167 days
Disposal: Deactivated
Deactivated: June 24, 1973 (1973-06-25)
Rocket: Delta E1
Kind: NASA
Manufacturer: Langley Research Center
Mass: 104.3 kilograms (230 lb)
Launch Site: Cape Canaveral LC-17B
"Requesting permission for flyby." Maverick - Top Gun
Reference System: Selenocentric
1º Orbit: Lunar
"The journey, not the arrival, matters; the voyage, not the landing." - Paul Theroux
Explorer 35 (IMP-E, AIMP 2, Anchored IMP 2, Interplanetary Monitoring Platform-E) was a spin-stabilized spacecraft instrumented for interplanetary studies, at lunar distances, of the interplanetary plasma, magnetic field, energetic particles, and solar X rays. It was launched into an elliptical lunar orbit. The spin axis direction was nearly perpendicular to the ecliptic plane, and the spin rate was 25.6 rpm. Mission objectives were achieved. After successful operation for 6 years, the spacecraft was turned off on June 24, 1973.