EXPLORER 21 (IMP-2)

decayedheo

NORAD / COSPAR889 / 1964-060A

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / owner—

OperatorVarious

Launch date—

Launch siteN/A

Launch vehicleN/A

Decay date30 Jan 1966

Period2080.34 min

Inclination33.72°

Apoapsis94291 km

Periapsis917 km

Mean altitude47604 km

Semi-major axis53975 km

Eccentricity0.86486

TLE epoch11/20/1965, 11:03:54 AM

SourceSpace-Track

1 00889U 64060  A 65324.46104808  .00000000 +00000-0 +00000-0 0  9992
2 00889 033.7150 193.3345 8648598 178.8563 188.0506 00.69219392002865