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: 1415.555 km
Periapsis: 1409.329 km
RAAN: 187.4021 deg
Eccentricy: 0.0003996
Argument of periapsis: 147.8775 deg
Mean anomaly: 27.4289 deg
Mean motion: 12.62549224 rev/day
Mean motion (dot): 0.00000032 rev/day2
B* drag term: 0.00011896 1/REarth
Two-line elements (TLE)
Creation date: July 9, 2025, 2:22 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 8, 2025, 6:36 p.m. UTC
TLE line 0: 0 COSMOS 2091
TLE line 1: 1 20736U 90070B 25189.77501292 .00000032 00000-0 11896-3 0 9995
TLE line 2: 2 20736 82.5767 187.4021 0003996 147.8775 27.4289 12.62549224608973
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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