Key statistics
Satellite COSMOS 2158 at a glance.
Uptime
12451
Days in orbit
Revolutions
≈ 12.6
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.6
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 2158.
Object identification
Identified? True
Debris? False
Object name: COSMOS 2158
International designator: 1991-068B
Object number (NORAD): 21729
Object ID (CCSDS): 21729
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 113.918 minutes
Inclination: 82.58 deg
SMA: 7784.359 km
Apoapsis: 1410.045 km
Periapsis: 1402.404 km
RAAN: 98.4423 deg
Eccentricy: 0.00049076
Argument of periapsis: 208.2647 deg
Mean anomaly: 267.428 deg
Mean motion: 12.64062221 rev/day
Mean motion (dot): 0.00000046 rev/day2
B* drag term: 0.00019198175 1/REarth
Two-line elements (TLE)
Creation date: Oct. 30, 2025, 3:32 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 29, 2025, 10:05 p.m. UTC
TLE line 0: 0 COSMOS 2158
TLE line 1: 1 21729U 91068B 25302.92073434 .00000046 00000-0 19198-3 0 9990
TLE line 2: 2 21729 82.5800 98.4423 0004908 208.2647 267.4280 12.64062221572623
Live tracking on map
Real-time ground track for satellite COSMOS 2158.
Associated space launch
Second generation store-dump military communications satellite
COSMOS 2158 was lifted into orbit during the mission ‘Tsiklon-3 | Strela-3 67 to 72’, on board a Tsiklon-3 space rocket.
The launch took place on Sept. 28, 1991, 7:05 a.m. from 32/2.
For more information about the launch, click the button.
Tsiklon-3 | Strela-3 67 to 72
Agency: N/A
Status: Launch Successful
Launch date: Sept. 28, 1991, 7:05 a.m. UTC
Rocket: Tsiklon-3
Launch pad: 32/2
Location: Plesetsk Cosmodrome, Russian Federation
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