Key statistics
Satellite COSMOS 2128 at a glance.
Uptime
12565
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: 74.0316 deg
SMA: 7834.617 km
Apoapsis: 1468.276 km
Periapsis: 1444.689 km
RAAN: 357.1462 deg
Eccentricy: 0.0015053
Argument of periapsis: 237.0518 deg
Mean anomaly: 122.9087 deg
Mean motion: 12.51918545 rev/day
Mean motion (dot): -0.00000002 rev/day2
B* drag term: 0.000086712 1/REarth
Two-line elements (TLE)
Creation date: July 8, 2025, 2:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 9:54 p.m. UTC
TLE line 0: 0 COSMOS 2128
TLE line 1: 1 21103U 91009D 25188.91311819 -.00000002 00000-0 86712-4 0 9994
TLE line 2: 2 21103 74.0316 357.1462 0015053 237.0518 122.9087 12.51918545572158
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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