RADUGA 21

retiredgeo

NORAD / COSPAR18631 / 1987-100A

ConstellationUNCLASSIFIED

Object typePAYLOAD

Country / ownerRussia (CIS)

OperatorVarious

Launch date10 Dec 1987

Launch siteN/A

Launch vehicleN/A

Decay dateIn orbit

Period1435.24 min

Inclination11.19°

Apoapsis35776 km

Periapsis35763 km

Mean altitude35770 km

Semi-major axis42141 km

Eccentricity0.00016

Latitude—

Longitude—

Altitude—

Velocity—

Footprint area—

TLE epoch9/8/2026, 3:31:15 AM

SourceSpace-Track

1 18631U 87100A   26251.14670878 -.00000302  00000-0  00000-0 0  9998
2 18631  11.1897 324.7026 0001577 285.3459  83.2109  1.00331854141923