Key statistics
Satellite COSMOS 1257 at a glance.
Uptime
16195
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 1257.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1257
International designator: 1981-022H
Object number (NORAD): 12327
Object ID (CCSDS): 12327
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 115.398 minutes
Inclination: 74.0279 deg
SMA: 7851.633 km
Apoapsis: 1478.456 km
Periapsis: 1468.539 km
RAAN: 155.0256 deg
Eccentricy: 0.0006315
Argument of periapsis: 92.7053 deg
Mean anomaly: 330.741 deg
Mean motion: 12.47851214 rev/day
Mean motion (dot): -0.00000019 rev/day2
B* drag term: -0.000022377 1/REarth
Two-line elements (TLE)
Creation date: July 7, 2025, 10:26 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 9:32 p.m. UTC
TLE line 0: 0 COSMOS 1257
TLE line 1: 1 12327U 81022H 25188.89767459 -.00000019 00000-0 -22377-4 0 9994
TLE line 2: 2 12327 74.0279 155.0256 0006315 92.7053 330.7410 12.47851214 19969
Live tracking on map
Real-time ground track for satellite COSMOS 1257.
Associated space launch
Military communications satellites
COSMOS 1257 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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