Explorer 33

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Explorer 33 (IMP-D) was an unsuccessful attempt to launch a satellite for research of the magnetic field in the lunar orbit. It was launched on July 1st, 1966, but reached because of a rocket failure only an earth orbit with a perigee of 265679 km and an apogee of 480762 km.

[edit] External links

• http://www.astronautix.com/craft/imp.htm
• Interim Flight Report - AIMP-1

v • d • e Explorer program Explorer 1 · 2 · 3 · 4 · 5 · 6 (S-2) · 7 (S-1a) · 8 (S-56) · 11 (S-15) · 17 (AE-A) · 30 (Solrad) · 32 (AE-B) · 33 (IMP-D) · 35 (IMP-E) · 42 (Uhuru) · 49 (RAE-B) · 52 (Hawkeye 1) · 57 (IUE) · 59 (ICE) · 64 (SME) · 66 (COBE) · 67 (EUVE) · 68 (SAMPEX) · 69 (RXTE) · 70 (FAST) · 71 (ACE) · 73 (TRACE) · 74 (SWAS) · 75 (WIRE) · 77 (FUSE) · 78 (IMAGE) · 79 (HETE) · 80 (WMAP) · 81 (RHESSI) · 82 (CHIPSat) · 83 (GALEX) · 84 (Swift) · 85 thru 89 (THEMIS) · 90 (AIM) Italics indicate probes that failed to deploy or otherwise malfunctioned