Key statistics
Satellite COSMOS 1287 at a glance.
Uptime
16206
Days in orbit
Revolutions
≈ 12.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1287.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1287
International designator: 1981-074A
Object number (NORAD): 12636
Object ID (CCSDS): 12636
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 115.723 minutes
Inclination: 74.0345 deg
SMA: 7866.346 km
Apoapsis: 1512.965 km
Periapsis: 1463.457 km
RAAN: 81.0843 deg
Eccentricy: 0.00314685
Argument of periapsis: 278.4396 deg
Mean anomaly: 81.3085 deg
Mean motion: 12.44351904 rev/day
Mean motion (dot): -0.00000015 rev/day2
B* drag term: 0.000008900447 1/REarth
Two-line elements (TLE)
Creation date: Dec. 19, 2025, 2:08 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 18, 2025, 3:55 p.m. UTC
TLE line 0: 0 COSMOS 1287
TLE line 1: 1 12636U 81074A 25352.66335419 -.00000015 00000-0 89004-5 0 9995
TLE line 2: 2 12636 74.0345 81.0843 0031469 278.4396 81.3085 12.44351904 15979
Live tracking on map
Real-time ground track for satellite COSMOS 1287.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 1287.
Associated space launch
Military communications satellites
COSMOS 1287 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 217-224’, on board a Kosmos-3M space rocket.
The launch took place on Aug. 6, 1981, 11:49 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Strela-1M 217-224
Agency: N/A
Status: Launch Successful
Launch date: Aug. 6, 1981, 11:49 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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