Key statistics
Satellite COSMOS 1257 at a glance.
Uptime
16136
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: 74.0296 deg
SMA: 7851.638 km
Apoapsis: 1478.959 km
Periapsis: 1468.047 km
RAAN: 233.3101 deg
Eccentricy: 0.0006949
Argument of periapsis: 184.7656 deg
Mean anomaly: 290.8697 deg
Mean motion: 12.47850001 rev/day
Mean motion (dot): -0.00000023 rev/day2
B* drag term: -0.000050238 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, 5:56 p.m. UTC
TLE line 0: 0 COSMOS 1257
TLE line 1: 1 12327U 81022H 25129.74789081 -.00000023 00000-0 -50238-4 0 9990
TLE line 2: 2 12327 74.0296 233.3101 0006949 184.7656 290.8697 12.47850001 12342
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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