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	4.380°
Eccentricity	0.00063
RA ascending node	18.355 hr
Argument perigee	277.634°
Mean anomaly	215.372°
Orbital period	1435.283 min
Epoch of osculation	15 Mar 2026, 13:44

See historical orbital elements »

Derived Quantities

Min Altitude	35751.0 km
Mean Altitude	35777.8 km
Peak Altitude	35804.6 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