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	12998
COSPAR ID	1981-120B
Observing

Current orbital elements

Inclination	82.956°
Eccentricity	0.00191
RA ascending node	9.208 hr
Argument perigee	183.824°
Mean anomaly	331.208°
Orbital period	119.681 min
Epoch of osculation	16 May 2026, 10:33

See historical orbital elements »

Derived Quantities

Min Altitude	1658.3 km
Mean Altitude	1673.7 km
Peak Altitude	1689.1 km

Launched alongside

RADIO 3 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 SL-8 DEB