Kind: Magnetospheric research
State: Failure
Place: Moon
Operator: NASA
Start:
Duration: 1,876 days (5 years, 1 month and 21 days)
Last Contact: September 21, 1971 (1971-09-22)
Rocket: Delta E1
Kind: NASA
Manufacturer: Goddard Space Flight Center
Mass: 212.0 kilograms (467.4 lb)
Launch Site: Cape Canaveral LC-17A
"Requesting permission for flyby." Maverick - Top Gun
Reference System: Geocentric
"The journey, not the arrival, matters; the voyage, not the landing." - Paul Theroux
Explorer 33 (also known as AIMP-D, IMP-D, AIMP 1, Anchored IMP 1, Interplanetary Monitoring Platform-D) was a spacecraft in the Explorer program launched by NASA on July 1, 1966 on a mission of scientific exploration.