Launch Details

Launched	19 September 1977
Flight ended	–
Status	Unknown
Launch site	Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome)
Owner	Commonwealth of Independent States (former USSR)
NORAD ID	11581
COSPAR ID	1977-092H
Observing

Current orbital elements

Inclination	3.967°
Eccentricity	0.00185
RA ascending node	18.204 hr
Argument perigee	263.792°
Mean anomaly	55.938°
Orbital period	1434.554 min
Epoch of osculation	25 Aug 2026, 11:46

See historical orbital elements »

Derived Quantities

Min Altitude	35685.5 km
Mean Altitude	35763.5 km
Peak Altitude	35841.6 km

Launched alongside

EKRAN 2 SL-12 R/B(1) SL-12 PLAT SL-12 DEB SL-12 R/B SL-12 R/B SL-12 R/B(2) EKRAN 2 DEB EKRAN 2 DEB EKRAN 2 DEB EKRAN 2 DEB EKRAN 2 DEB EKRAN 2 DEB