Key statistics
Satellite COSMOS 2166 at a glance.
Uptime
12233
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 2166.
Object identification
Identified? True
Debris? False
Object name: COSMOS 2166
International designator: 1991-077B
Object number (NORAD): 21780
Object ID (CCSDS): 21780
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 113.975 minutes
Inclination: 82.5964 deg
SMA: 7786.934 km
Apoapsis: 1411.532 km
Periapsis: 1406.066 km
RAAN: 143.7281 deg
Eccentricy: 0.000351
Argument of periapsis: 19.2521 deg
Mean anomaly: 101.4839 deg
Mean motion: 12.63435358 rev/day
Mean motion (dot): 0.00000037 rev/day2
B* drag term: 0.00014531 1/REarth
Two-line elements (TLE)
Creation date: May 10, 2025, 2:32 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 9, 2025, 12:13 p.m. UTC
TLE line 0: 0 COSMOS 2166
TLE line 1: 1 21780U 91077B 25129.50948792 .00000037 00000-0 14531-3 0 9992
TLE line 2: 2 21780 82.5964 143.7281 0003510 19.2521 101.4839 12.63435358544198
Live tracking on map
Real-time ground track for satellite COSMOS 2166.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 2166.
Associated space launch
Second generation store-dump military communications satellite
COSMOS 2166 was lifted into orbit during the mission ‘Tsiklon-3 | Strela-3 73 to 78’, on board a Tsiklon-3 space rocket.
The launch took place on Nov. 12, 1991, 8:09 p.m. from 32/1.
For more information about the launch, click the button.
Tsiklon-3 | Strela-3 73 to 78
Agency: N/A
Status: Launch Successful
Launch date: Nov. 12, 1991, 8:09 p.m. UTC
Rocket: Tsiklon-3
Launch pad: 32/1
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.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
