Launch Details

Launched	16 December 1981
Flight ended	–
Status	Unknown
Launch site	Plesetsk Missile and Space Complex, Russia
Owner	Commonwealth of Independent States (former USSR)
NORAD ID	29290
COSPAR ID	1981-120U
Observing

Current orbital elements

Inclination	82.958°
Eccentricity	0.00275
RA ascending node	5.299 hr
Argument perigee	182.748°
Mean anomaly	201.648°
Orbital period	118.960 min
Epoch of osculation	28 Jan 2026, 10:03

See historical orbital elements »

Derived Quantities

Min Altitude	1619.4 km
Mean Altitude	1641.4 km
Peak Altitude	1663.4 km

Launched alongside

RADIO 3 RADIO 8 RADIO 5 RADIO 4 RADIO 7 RADIO 6 SL-8 R/B SL-8 DEB SL-8 DEB SL-8 DEB SL-8 DEB SL-8 DEB SL-8 DEB SL-8 DEB SL-8 DEB SL-8 DEB SL-8 DEB SL-8 DEB