Key statistics
Satellite COSMOS 1636 at a glance.
Uptime
14827
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 1636.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1636
International designator: 1985-023B
Object number (NORAD): 15618
Object ID (CCSDS): 15618
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 115.63 minutes
Inclination: 74.0519 deg
SMA: 7862.126 km
Apoapsis: 1493.716 km
Periapsis: 1474.267 km
RAAN: 130.1043 deg
Eccentricy: 0.00123684
Argument of periapsis: 50.3752 deg
Mean anomaly: 58.8116 deg
Mean motion: 12.4535372 rev/day
Mean motion (dot): -0.00000015 rev/day2
B* drag term: 0.000000619291 1/REarth
Two-line elements (TLE)
Creation date: Oct. 24, 2025, 2:48 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 23, 2025, 11:06 p.m. UTC
TLE line 0: 0 COSMOS 1636
TLE line 1: 1 15618U 85023B 25296.96300766 -.00000015 00000-0 61929-6 0 9990
TLE line 2: 2 15618 74.0519 130.1043 0012368 50.3752 58.8116 12.45353720845461
Live tracking on map
Real-time ground track for satellite COSMOS 1636.
Associated space launch
Military communications satellites
COSMOS 1636 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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