Explorer 33
Spacecraft
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Explorer 33, also known as IMP-D and AIMP-1, is a spacecraft in the Explorer program launched by NASA on 1 July 1966 on a mission of scientific exploration. Wikipedia
Launch date: July 1, 1966
Manufacturer: NASA
Bus: AIMP
Dimensions: 71 × 20.3 cm (28.0 × 8.0 in)
Launch mass: 93.4 kg (206 lb)
Mission duration: 5 years, 2 months and 19 days (achieved); 57 years, 9 months and 8 days (in orbit)
Rocket: Delta E1 (Thor 467 / Delta 039)