NEXT SPACEFLIGHT

Status

Success

Explorer 33 (IMP-D)

Launch Time
Fri Jul 01, 1966 16:02 UTC

Launch was successful but the spacecraft failed to achieve lunar orbit.

Rocket

Delta E1
Image Credit: USAF or NASA
US Air Force
Status: Retired
Payload to GTO: 205 kg
Stages: 3
Strap-ons: 3

Mission Details

Explorer 33

Explorer 33 (IMP-D) was a spin-stabilized spacecraft instrumented for studies of interplanetary plasma, energetic charged particles (electrons, protons, and alphas), magnetic fields, and solar X rays at lunar distances. The spacecraft failed to achieve lunar orbit but did achieve mission objectives. Explorer 33 was also known as Interplanetary Monitoring Platform D (IMP-D) or Anchored Interplanetary Monitoring Platform 1 (AIMP-1).

Payloads: 1
Total Mass: 93.4 kg
High Earth Orbit

Location

SLC-17A, Cape Canaveral SFS, Florida, USA

Stats

1966

65th orbital launch attempt

Delta E

4th mission
2nd mission of 1966
4th successful mission