Key statistics
Satellite COSMOS 2128 at a glance.
Uptime
12678
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 2128.
Object identification
Identified? True
Debris? False
Object name: COSMOS 2128
International designator: 1991-009D
Object number (NORAD): 21103
Object ID (CCSDS): 21103
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 115.023 minutes
Inclination: 74.0309 deg
SMA: 7834.608 km
Apoapsis: 1467.553 km
Periapsis: 1445.393 km
RAAN: 206.9994 deg
Eccentricy: 0.00141421
Argument of periapsis: 65.2753 deg
Mean anomaly: 294.9769 deg
Mean motion: 12.51920783 rev/day
Mean motion (dot): 0.0 rev/day2
B* drag term: 0.0001010653 1/REarth
Two-line elements (TLE)
Creation date: Oct. 28, 2025, 7:11 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 28, 2025, 11:57 a.m. UTC
TLE line 0: 0 COSMOS 2128
TLE line 1: 1 21103U 91009D 25301.49804049 .00000000 00000-0 10107-3 0 9997
TLE line 2: 2 21103 74.0309 206.9994 0014142 65.2753 294.9769 12.51920783586240
Live tracking on map
Real-time ground track for satellite COSMOS 2128.
In-orbit conjunctions
There are no conjunctions computed for COSMOS 2128, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Military communications satellites
COSMOS 2128 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
...
Latest news about this satellite
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