COSMOS 521

retiredleo

NORAD / COSPAR6206 / 1972-074A

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerRussia (CIS)

OperatorVarious

Launch date29 Sep 1972

Launch siteN/A

Launch vehicleN/A

Decay dateIn orbit

Period104.92 min

Inclination65.83°

Apoapsis999 km

Periapsis982 km

Mean altitude991 km

Semi-major axis7362 km

Eccentricity0.00114

Latitude—

Longitude—

Altitude—

Velocity—

Footprint area—

TLE epoch9/8/2026, 2:35:33 PM

SourceSpace-Track

1 06206U 72074A   26251.60802179 -.00000061  00000-0  20648-4 0  9995
2 06206  65.8266  77.7422 0011396 334.5988  85.6987 13.72511784703066