Key statistics
Satellite COSMOS 2081 (GLONASS) at a glance.
Uptime
12993
Days in orbit
Revolutions
≈ 2.1
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
64.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 2081 (GLONASS).
Object identification
Identified? True
Debris? False
Object name: COSMOS 2081 (GLONASS)
International designator: 1990-045C
Object number (NORAD): 20621
Object ID (CCSDS): 20621
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 675.724 minutes
Inclination: 64.8502 deg
SMA: 25507.796 km
Apoapsis: 19244.768 km
Periapsis: 19014.555 km
RAAN: 315.1034 deg
Eccentricy: 0.00451258
Argument of periapsis: 215.2574 deg
Mean anomaly: 320.272 deg
Mean motion: 2.13104857 rev/day
Mean motion (dot): -0.00000061 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Dec. 13, 2025, 4:32 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 8:04 p.m. UTC
TLE line 0: 0 COSMOS 2081 (GLONASS)
TLE line 1: 1 20621U 90045C 25346.83633712 -.00000061 00000-0 00000-0 0 9990
TLE line 2: 2 20621 64.8502 315.1034 0045126 215.2574 320.2720 2.13104857276719
Live tracking on map
Real-time ground track for satellite COSMOS 2081 (GLONASS).
In-orbit conjunctions
There are no conjunctions computed for COSMOS 2081 (GLONASS), at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
GLONASS navigation satellites
COSMOS 2081 (GLONASS) was lifted into orbit during the mission ‘Proton | Uragan 36 to 38’, on board a Proton space rocket.
The launch took place on May 19, 1990, 8:32 a.m. from 200/40.
For more information about the launch, click the button.
Proton | Uragan 36 to 38
Agency: N/A
Status: Launch Successful
Launch date: May 19, 1990, 8:32 a.m. UTC
Rocket: Proton
Launch pad: 200/40
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
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