Key statistics
Satellite COSMOS 1256 at a glance.
Uptime
16359
Days in orbit
Revolutions
≈ 12.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1256.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1256
International designator: 1981-022G
Object number (NORAD): 12326
Object ID (CCSDS): 12326
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 115.237 minutes
Inclination: 74.028 deg
SMA: 7844.317 km
Apoapsis: 1475.616 km
Periapsis: 1456.749 km
RAAN: 227.3951 deg
Eccentricy: 0.00120257
Argument of periapsis: 68.4885 deg
Mean anomaly: 42.1657 deg
Mean motion: 12.49597159 rev/day
Mean motion (dot): 0.00000011 rev/day2
B* drag term: 0.00017608268 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, 11:17 p.m. UTC
TLE line 0: 0 COSMOS 1256
TLE line 1: 1 12326U 81022G 25352.97039110 .00000011 00000-0 17608-3 0 9991
TLE line 2: 2 12326 74.0280 227.3951 0012026 68.4885 42.1657 12.49597159 43088
Live tracking on map
Real-time ground track for satellite COSMOS 1256.
Associated space launch
Military communications satellites
COSMOS 1256 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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