EXPLORER 20

retiredleo

NORAD / COSPAR870 / 1964-051A

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerUnited States

OperatorVarious

Launch date25 Aug 1964

Launch siteN/A

Launch vehicleN/A

Decay dateIn orbit

Period103.46 min

Inclination79.90°

Apoapsis994 km

Periapsis851 km

Mean altitude922 km

Semi-major axis7293 km

Eccentricity0.00979

Latitude—

Longitude—

Altitude—

Velocity—

Footprint area—

TLE epoch9/8/2026, 6:31:06 AM

SourceSpace-Track

1   870U 64051A   26251.27160273  .00000089  00000-0  60675-4 0  9990
2   870  79.8997 188.3221 0097909  65.2949 295.8361 13.91805131144993