Key statistics
Satellite COSMOS 2123 at a glance.
Uptime
12674
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: 104.737 minutes
Inclination: 82.924 deg
SMA: 7360.286 km
Apoapsis: 1002.595 km
Periapsis: 961.707 km
RAAN: 158.3831 deg
Eccentricy: 0.00277757
Argument of periapsis: 266.6935 deg
Mean anomaly: 267.5622 deg
Mean motion: 13.74867112 rev/day
Mean motion (dot): 0.00000058 rev/day2
B* drag term: 0.000044919281 1/REarth
Two-line elements (TLE)
Creation date: Oct. 16, 2025, 6:34 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 16, 2025, 8:51 a.m. UTC
TLE line 0: 0 COSMOS 2123
TLE line 1: 1 21089U 91007A 25289.36923959 .00000058 00000-0 44919-4 0 9993
TLE line 2: 2 21089 82.9240 158.3831 0027776 266.6935 267.5622 13.74867112740418
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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