Key statistics
Satellite COSMOS 2091 at a glance.
Uptime
12866
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: 82.5733 deg
SMA: 7790.561 km
Apoapsis: 1414.535 km
Periapsis: 1410.316 km
RAAN: 116.1071 deg
Eccentricy: 0.00027077
Argument of periapsis: 276.547 deg
Mean anomaly: 149.5297 deg
Mean motion: 12.6255317 rev/day
Mean motion (dot): 0.00000026 rev/day2
B* drag term: 0.000083618987 1/REarth
Two-line elements (TLE)
Creation date: Oct. 28, 2025, 7:11 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 28, 2025, 11:38 a.m. UTC
TLE line 0: 0 COSMOS 2091
TLE line 1: 1 20736U 90070B 25301.48535971 .00000026 00000-0 83619-4 0 9996
TLE line 2: 2 20736 82.5733 116.1071 0002708 276.5470 149.5297 12.62553170623070
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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