RADIO 4

retiredleo

NORAD / COSPAR13000 / 1981-120D

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerRussia (CIS)

OperatorVarious

Launch date17 Dec 1981

Launch siteN/A

Launch vehicleN/A

Decay dateIn orbit

Period119.31 min

Inclination82.97°

Apoapsis1664 km

Periapsis1636 km

Mean altitude1650 km

Semi-major axis8021 km

Eccentricity0.00176

Latitude—

Longitude—

Altitude—

Velocity—

Footprint area—

TLE epoch9/8/2026, 1:44:27 PM

SourceSpace-Track

1 13000U 81120D   26251.57254433  .00000030  00000-0  23798-3 0  9990
2 13000  82.9652  14.9379 0017630   3.6183   8.3070 12.06919661970217