EXPLORER 4

decayedleo

NORAD / COSPAR9 / 1958-005A

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / owner—

OperatorVarious

Launch date—

Launch siteN/A

Launch vehicleN/A

Decay date23 Oct 1959

Period92.81 min

Inclination50.25°

Apoapsis585 km

Periapsis239 km

Mean altitude412 km

Semi-major axis6783 km

Eccentricity0.02545

TLE epoch10/2/1959, 6:53:14 AM

SourceSpace-Track

1 00009U 58005  A 59275.28696823  .00892850 +00000-0 +00000-0 0  9991
2 00009 050.2549 082.4216 0254534 057.7226 303.5234 15.51612549060703