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COSMOS 521

retiredleo

Live LEO tracker

Browse UNCLASSIFIED

Identification

NORAD / COSPAR: 6206 / 1972-074A
Constellation: UNCLASSIFIED
Object type: PAYLOAD
Country / owner: Russia (CIS)
Operator: Various

Launch

Launch date: 29 Sep 1972
Launch site: N/A
Launch vehicle: N/A
Decay date: In orbit

Orbital parameters

Period: 104.92 min
Inclination: 65.83°
Apoapsis: 1001 km
Periapsis: 980 km
Mean altitude: 991 km
Semi-major axis: 7362 km
Eccentricity: 0.00146

Live state

Latitude: —
Longitude: —
Altitude: —
Velocity: —
Footprint area: —

TrackingLive tracker

TLE epoch: 10/22/2026, 1:34:38 PM
Source: Space-Track

1  6206U 72074A   26295.56572509 -.00000049  00000-0  34426-4 0  9994
2  6206  65.8288 329.5838 0014599 321.6645 193.9873 13.72512397709091