Key statistics
Satellite COSMOS 1251 at a glance.
Uptime
16258
Days in orbit
Revolutions
≈ 12.6
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1251.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1251
International designator: 1981-022B
Object number (NORAD): 12321
Object ID (CCSDS): 12321
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.605 minutes
Inclination: 74.0271 deg
SMA: 7815.627 km
Apoapsis: 1472.391 km
Periapsis: 1402.592 km
RAAN: 83.5631 deg
Eccentricy: 0.00446538
Argument of periapsis: 219.9231 deg
Mean anomaly: 197.2457 deg
Mean motion: 12.5648429 rev/day
Mean motion (dot): -0.00000008 rev/day2
B* drag term: 0.000051558371 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 6:18 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 8, 2025, 2:09 p.m. UTC
TLE line 0: 0 COSMOS 1251
TLE line 1: 1 12321U 81022B 25251.59003897 -.00000008 00000-0 51558-4 0 9995
TLE line 2: 2 12321 74.0271 83.5631 0044654 219.9231 197.2457 12.56484290 41559
Live tracking on map
Real-time ground track for satellite COSMOS 1251.
In-orbit conjunctions
There are no conjunctions computed for COSMOS 1251, 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 1251 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 209-216’, on board a Kosmos-3M space rocket.
The launch took place on March 6, 1981, 11:31 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Strela-1M 209-216
Agency: N/A
Status: Launch Successful
Launch date: March 6, 1981, 11:31 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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