Key statistics
Satellite COSMOS 1637 at a glance.
Uptime
14781
Days in orbit
Revolutions
≈ 12.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1637.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1637
International designator: 1985-023C
Object number (NORAD): 15619
Object ID (CCSDS): 15619
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 115.455 minutes
Inclination: 74.0542 deg
SMA: 7854.204 km
Apoapsis: 1487.973 km
Periapsis: 1464.165 km
RAAN: 123.344 deg
Eccentricy: 0.00151558
Argument of periapsis: 353.8728 deg
Mean anomaly: 15.6125 deg
Mean motion: 12.47238496 rev/day
Mean motion (dot): 0.00000015 rev/day2
B* drag term: 0.00020694691 1/REarth
Two-line elements (TLE)
Creation date: Sept. 7, 2025, 3:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 6, 2025, 10:24 p.m. UTC
TLE line 0: 0 COSMOS 1637
TLE line 1: 1 15619U 85023C 25249.93357556 .00000015 00000-0 20695-3 0 9996
TLE line 2: 2 15619 74.0542 123.3440 0015156 353.8728 15.6125 12.47238496842467
Live tracking on map
Real-time ground track for satellite COSMOS 1637.
In-orbit conjunctions
There are no conjunctions computed for COSMOS 1637, 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 1637 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 289-296’, on board a Kosmos-3M space rocket.
The launch took place on March 21, 1985, 12:08 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Strela-1M 289-296
Agency: N/A
Status: Launch Successful
Launch date: March 21, 1985, 12:08 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
...
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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