Key statistics
Satellite COSMOS 2091 at a glance.
Uptime
12912
Days in orbit
Revolutions
≈ 12.6
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.6
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 2091.
Object identification
Identified? True
Debris? False
Object name: COSMOS 2091
International designator: 1990-070B
Object number (NORAD): 20736
Object ID (CCSDS): 20736
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 114.054 minutes
Inclination: 82.578 deg
SMA: 7790.553 km
Apoapsis: 1415.612 km
Periapsis: 1409.224 km
RAAN: 86.6013 deg
Eccentricy: 0.00041003
Argument of periapsis: 158.4567 deg
Mean anomaly: 318.2639 deg
Mean motion: 12.62555037 rev/day
Mean motion (dot): 0.00000015 rev/day2
B* drag term: 0.000027198816 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 4:41 p.m. UTC
TLE line 0: 0 COSMOS 2091
TLE line 1: 1 20736U 90070B 25347.69578225 .00000015 00000-0 27199-4 0 9997
TLE line 2: 2 20736 82.5780 86.6013 0004100 158.4567 318.2639 12.62555037628908
Live tracking on map
Real-time ground track for satellite COSMOS 2091.
Associated space launch
Second generation store-dump military communications satellite
COSMOS 2091 was lifted into orbit during the mission ‘Tsiklon-3 | Strela-3 49 to 54’, on board a Tsiklon-3 space rocket.
The launch took place on Aug. 8, 1990, 4:15 a.m. from 32/2.
For more information about the launch, click the button.
Tsiklon-3 | Strela-3 49 to 54
Agency: N/A
Status: Launch Successful
Launch date: Aug. 8, 1990, 4:15 a.m. UTC
Rocket: Tsiklon-3
Launch pad: 32/2
Location: Plesetsk Cosmodrome, Russian Federation
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