EXPLORER 31 (ISIS-X)

retiredleo

NORAD / COSPAR1806 / 1965-098B

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerUnited States

OperatorVarious

Launch date29 Nov 1965

Launch siteN/A

Launch vehicleN/A

Decay dateIn orbit

Period119.17 min

Inclination79.77°

Apoapsis2785 km

Periapsis502 km

Mean altitude1644 km

Semi-major axis8015 km

Eccentricity0.14227

Latitude—

Longitude—

Altitude—

Velocity—

Footprint area—

TLE epoch9/8/2026, 1:36:25 AM

SourceSpace-Track

1 01806U 65098B   26251.06696009  .00000364  00000-0  12714-3 0  9996
2 01806  79.7718 281.4653 1422676 332.1754  20.9704 12.08385224658701