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RADUGA 21

retiredgeo

Live GEO tracker

Browse UNCLASSIFIED

Identification

NORAD / COSPAR: 18631 / 1987-100A
Constellation: UNCLASSIFIED
Object type: PAYLOAD
Country / owner: Russia (CIS)
Operator: Various

Launch

Launch date: 10 Dec 1987
Launch site: N/A
Launch vehicle: N/A
Decay date: In orbit

Orbital parameters

Period: 1435.48 min
Inclination: 11.13°
Apoapsis: 35784 km
Periapsis: 35765 km
Mean altitude: 35775 km
Semi-major axis: 42146 km
Eccentricity: 0.00022

Live state

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

TrackingLive tracker

TLE epoch: 10/22/2026, 11:33:11 PM
Source: Space-Track

1 18631U 87100A   26295.98138713 -.00000305  00000-0  00000-0 0  9998
2 18631  11.1265 324.4042 0002151 300.0047  61.7716  1.00314816142378