Key statistics
Satellite COSMOS 2128 at a glance.
Uptime
12627
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: 74.0274 deg
SMA: 7834.613 km
Apoapsis: 1467.618 km
Periapsis: 1445.337 km
RAAN: 274.6699 deg
Eccentricy: 0.00142197
Argument of periapsis: 145.2957 deg
Mean anomaly: 214.9025 deg
Mean motion: 12.51919635 rev/day
Mean motion (dot): 0.00000003 rev/day2
B* drag term: 0.00012253575 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 3:16 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 7, 2025, 6:12 p.m. UTC
TLE line 0: 0 COSMOS 2128
TLE line 1: 1 21103U 91009D 25250.75896420 .00000003 00000-0 12254-3 0 9991
TLE line 2: 2 21103 74.0274 274.6699 0014220 145.2957 214.9025 12.51919635579891
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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