Launch Details

Launched	23 August 1977
Flight ended	–
Status	Unknown
Launch site	Plesetsk Missile and Space Complex, Russia
Owner	Commonwealth of Independent States (former USSR)
NORAD ID	10289
COSPAR ID	1977-079E
Observing

Current orbital elements

Inclination	74.023°
Eccentricity	0.00068
RA ascending node	3.339 hr
Argument perigee	44.549°
Mean anomaly	71.323°
Orbital period	115.007 min
Epoch of osculation	02 Feb 2026, 12:31

See historical orbital elements »

Derived Quantities

Min Altitude	1457.5 km
Mean Altitude	1462.9 km
Peak Altitude	1468.2 km

Launched alongside

COSMOS 938 COSMOS 939 SL-4 R/B SL-4 DEB SL-4 DEB COSMOS 940 COSMOS 941 COSMOS 942 COSMOS 944 COSMOS 945 COSMOS 946 SL-8 R/B COSMOS 938 DEB COSMOS 938 DEB