Key statistics
Satellite COSMOS 2125 at a glance.
Uptime
12509
Days in orbit
Revolutions
≈ 12.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 2125.
Object identification
Identified? True
Debris? False
Object name: COSMOS 2125
International designator: 1991-009A
Object number (NORAD): 21100
Object ID (CCSDS): 21100
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 115.204 minutes
Inclination: 74.0264 deg
SMA: 7842.802 km
Apoapsis: 1471.886 km
Periapsis: 1457.448 km
RAAN: 133.8327 deg
Eccentricy: 0.0009205
Argument of periapsis: 81.7535 deg
Mean anomaly: 92.3073 deg
Mean motion: 12.49959385 rev/day
Mean motion (dot): 0.0 rev/day2
B* drag term: 0.0001026 1/REarth
Two-line elements (TLE)
Creation date: May 12, 2025, 2:31 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 11, 2025, 6:33 p.m. UTC
TLE line 0: 0 COSMOS 2125
TLE line 1: 1 21100U 91009A 25131.77344124 .00000000 00000-0 10260-3 0 9999
TLE line 2: 2 21100 74.0264 133.8327 0009205 81.7535 92.3073 12.49959385562575
Live tracking on map
Real-time ground track for satellite COSMOS 2125.
Associated space launch
Military communications satellites
COSMOS 2125 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 353-360’, on board a Kosmos-3M space rocket.
The launch took place on Feb. 12, 1991, 2:44 a.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos-3M | Strela-1M 353-360
Agency: N/A
Status: Launch Successful
Launch date: Feb. 12, 1991, 2:44 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
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