Key statistics
Satellite COSMOS 2173 at a glance.
Uptime
12331
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
83.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 2173.
Object identification
Identified? True
Debris? False
Object name: COSMOS 2173
International designator: 1991-081A
Object number (NORAD): 21796
Object ID (CCSDS): 21796
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.672 minutes
Inclination: 82.9572 deg
SMA: 7357.213 km
Apoapsis: 1016.201 km
Periapsis: 941.955 km
RAAN: 25.714 deg
Eccentricy: 0.00504581
Argument of periapsis: 73.4609 deg
Mean anomaly: 42.3262 deg
Mean motion: 13.75728668 rev/day
Mean motion (dot): 0.00000085 rev/day2
B* drag term: 0.000070844853 1/REarth
Two-line elements (TLE)
Creation date: Aug. 31, 2025, 2:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 9:03 p.m. UTC
TLE line 0: 0 COSMOS 2173
TLE line 1: 1 21796U 91081A 25242.87714601 .00000085 00000-0 70845-4 0 9994
TLE line 2: 2 21796 82.9572 25.7140 0050458 73.4609 42.3262 13.75728668694483
Live tracking on map
Real-time ground track for satellite COSMOS 2173.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 2173.
Associated space launch
Navigation satellite providing location information for the Tsiklon-B navigation system
COSMOS 2173 was lifted into orbit during the mission ‘Kosmos-3M | Parus 74’, on board a Kosmos-3M space rocket.
The launch took place on Nov. 27, 1991, 3:30 a.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos-3M | Parus 74
Agency: N/A
Status: Launch Successful
Launch date: Nov. 27, 1991, 3:30 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
...
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