Key statistics
Satellite COSMOS 2123 at a glance.
Uptime
12627
Days in orbit
Revolutions
≈ 13.7
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 2123.
Object identification
Identified? True
Debris? False
Object name: COSMOS 2123
International designator: 1991-007A
Object number (NORAD): 21089
Object ID (CCSDS): 21089
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.738 minutes
Inclination: 82.9253 deg
SMA: 7360.306 km
Apoapsis: 1004.327 km
Periapsis: 960.015 km
RAAN: 192.859 deg
Eccentricy: 0.00301021
Argument of periapsis: 38.1985 deg
Mean anomaly: 27.0988 deg
Mean motion: 13.74861464 rev/day
Mean motion (dot): 0.00000084 rev/day2
B* drag term: 0.000071725716 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, 9:59 p.m. UTC
TLE line 0: 0 COSMOS 2123
TLE line 1: 1 21089U 91007A 25242.91647874 .00000084 00000-0 71726-4 0 9997
TLE line 2: 2 21089 82.9253 192.8590 0030102 38.1985 27.0988 13.74861464734030
Live tracking on map
Real-time ground track for satellite COSMOS 2123.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 2123.
Associated space launch
Civilian navigation satellite equivalent to the purely military Parus
COSMOS 2123 was lifted into orbit during the mission ‘Kosmos-3M | Tsikada 17’, on board a Kosmos-3M space rocket.
The launch took place on Feb. 5, 1991, 2:36 a.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos-3M | Tsikada 17
Agency: N/A
Status: Launch Successful
Launch date: Feb. 5, 1991, 2:36 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
...
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