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	4.125°
Eccentricity	0.00137
RA ascending node	18.263 hr
Argument perigee	243.842°
Mean anomaly	83.194°
Orbital period	1434.639 min
Epoch of osculation	22 Jun 2026, 18:08

See historical orbital elements »

Derived Quantities

Min Altitude	35707.3 km
Mean Altitude	35765.2 km
Peak Altitude	35823.1 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