Key statistics
Satellite COSMOS 2161 at a glance.
Uptime
12399
Days in orbit
Revolutions
≈ 12.7
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.6
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 2161.
Object identification
Identified? True
Debris? False
Object name: COSMOS 2161
International designator: 1991-068E
Object number (NORAD): 21732
Object ID (CCSDS): 21732
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 113.81 minutes
Inclination: 82.5731 deg
SMA: 7779.409 km
Apoapsis: 1409.099 km
Periapsis: 1393.448 km
RAAN: 106.0833 deg
Eccentricy: 0.00100594
Argument of periapsis: 257.0737 deg
Mean anomaly: 112.9141 deg
Mean motion: 12.65269053 rev/day
Mean motion (dot): 0.00000048 rev/day2
B* drag term: 0.0002021014 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 7, 2025, 9:14 p.m. UTC
TLE line 0: 0 COSMOS 2161
TLE line 1: 1 21732U 91068E 25250.88532617 .00000048 00000-0 20210-3 0 9993
TLE line 2: 2 21732 82.5731 106.0833 0010059 257.0737 112.9141 12.65269053567567
Live tracking on map
Real-time ground track for satellite COSMOS 2161.
In-orbit conjunctions
There are no conjunctions computed for COSMOS 2161, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Second generation store-dump military communications satellite
COSMOS 2161 was lifted into orbit during the mission ‘Tsiklon-3 | Strela-3 67 to 72’, on board a Tsiklon-3 space rocket.
The launch took place on Sept. 28, 1991, 7:05 a.m. from 32/2.
For more information about the launch, click the button.
Tsiklon-3 | Strela-3 67 to 72
Agency: N/A
Status: Launch Successful
Launch date: Sept. 28, 1991, 7:05 a.m. UTC
Rocket: Tsiklon-3
Launch pad: 32/2
Location: Plesetsk Cosmodrome, Russian Federation
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
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