Key statistics
Satellite COSMOS 1131 at a glance.
Uptime
16722
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 1131.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1131
International designator: 1979-084B
Object number (NORAD): 11539
Object ID (CCSDS): 11539
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.797 minutes
Inclination: 74.0232 deg
SMA: 7824.337 km
Apoapsis: 1482.236 km
Periapsis: 1410.168 km
RAAN: 243.0331 deg
Eccentricy: 0.0046054
Argument of periapsis: 351.6363 deg
Mean anomaly: 124.3357 deg
Mean motion: 12.5438666 rev/day
Mean motion (dot): -0.00000007 rev/day2
B* drag term: 0.000055251 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 2:50 p.m. UTC
TLE line 0: 0 COSMOS 1131
TLE line 1: 1 11539U 79084B 25187.61873141 -.00000007 00000-0 55251-4 0 9991
TLE line 2: 2 11539 74.0232 243.0331 0046054 351.6363 124.3357 12.54386660 96259
Live tracking on map
Real-time ground track for satellite COSMOS 1131.
In-orbit conjunctions
There are no conjunctions computed for COSMOS 1131, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Biological research satellite carrying live organisms
COSMOS 1131 was lifted into orbit during the mission ‘Soyuz U | Bion 5’, on board a Soyuz U space rocket.
The launch took place on Sept. 25, 1979, 3:30 p.m. from 41/1.
For more information about the launch, click the button.

Soyuz U | Bion 5
Agency: N/A
Status: Launch Successful
Launch date: Sept. 25, 1979, 3:30 p.m. UTC
Rocket: Soyuz U
Launch pad: 41/1
Location: Plesetsk Cosmodrome, Russian Federation
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Latest news about this satellite
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