Key statistics
Satellite COSMOS 1641 at a glance.
Uptime
14719
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 1641.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1641
International designator: 1985-023G
Object number (NORAD): 15623
Object ID (CCSDS): 15623
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.782 minutes
Inclination: 74.0572 deg
SMA: 7823.633 km
Apoapsis: 1479.357 km
Periapsis: 1411.639 km
RAAN: 298.8698 deg
Eccentricy: 0.0043278
Argument of periapsis: 83.0459 deg
Mean anomaly: 357.5247 deg
Mean motion: 12.54555972 rev/day
Mean motion (dot): -0.00000024 rev/day2
B* drag term: -0.000049052 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 11:59 a.m. UTC
TLE line 0: 0 COSMOS 1641
TLE line 1: 1 15623U 85023G 25187.49966694 -.00000024 00000-0 -49052-4 0 9993
TLE line 2: 2 15623 74.0572 298.8698 0043278 83.0459 357.5247 12.54555972845372
Live tracking on map
Real-time ground track for satellite COSMOS 1641.
In-orbit conjunctions
There are no conjunctions computed for COSMOS 1641, 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 1641 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
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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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