Key statistics
Satellite COSMOS 2091 at a glance.
Uptime
12754
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: 114.055 minutes
Inclination: 82.5767 deg
SMA: 7790.577 km
Apoapsis: 1415.541 km
Periapsis: 1409.343 km
RAAN: 187.924 deg
Eccentricy: 0.0003978
Argument of periapsis: 149.4845 deg
Mean anomaly: 271.0019 deg
Mean motion: 12.6254917 rev/day
Mean motion (dot): 0.00000035 rev/day2
B* drag term: 0.00013528 1/REarth
Two-line elements (TLE)
Creation date: July 8, 2025, 2:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 10:58 p.m. UTC
TLE line 0: 0 COSMOS 2091
TLE line 1: 1 20736U 90070B 25188.95729493 .00000035 00000-0 13528-3 0 9996
TLE line 2: 2 20736 82.5767 187.9240 0003978 149.4845 271.0019 12.62549170608874
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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