Launch Details

Launched	3 April 1991
Flight ended	–
Status	Non-operational
Launch site	Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome)
Owner	Commonwealth of Independent States (former USSR)
NORAD ID	21216
COSPAR ID	1991-025A
Alternative names	GLONASS GLONASS 42 GN 750
Observing

Current orbital elements

Inclination	64.385°
Eccentricity	0.00158
RA ascending node	20.370 hr
Argument perigee	220.325°
Mean anomaly	139.549°
Orbital period	675.721 min
Epoch of osculation	15 May 2026, 13:48

See historical orbital elements »

Derived Quantities

Min Altitude	19096.5 km
Mean Altitude	19136.7 km
Peak Altitude	19176.9 km

Launched alongside

COSMOS 2140 COSMOS 2141 SL-12 R/B(1) SL-12 R/B SL-12 R/B(2) SL-12 R/B SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB SL-12 DEB