Key statistics
Satellite COSMOS 1251 at a glance.
Uptime
16136
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: 114.606 minutes
Inclination: 74.0295 deg
SMA: 7815.636 km
Apoapsis: 1471.947 km
Periapsis: 1403.055 km
RAAN: 247.3823 deg
Eccentricy: 0.0044073
Argument of periapsis: 44.2756 deg
Mean anomaly: 70.1189 deg
Mean motion: 12.56482029 rev/day
Mean motion (dot): -0.00000025 rev/day2
B* drag term: -0.000051807 1/REarth
Two-line elements (TLE)
Creation date: May 10, 2025, 2:32 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 9, 2025, 7:02 p.m. UTC
TLE line 0: 0 COSMOS 1251
TLE line 1: 1 12321U 81022B 25129.79328257 -.00000025 00000-0 -51807-4 0 9998
TLE line 2: 2 12321 74.0295 247.3823 0044073 44.2756 70.1189 12.56482029 26253
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
...
Latest news about this satellite
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