Key statistics
Satellite COSMOS 2146 at a glance.
Uptime
12417
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 2146.
Object identification
Identified? True
Debris? False
Object name: COSMOS 2146
International designator: 1991-033D
Object number (NORAD): 21302
Object ID (CCSDS): 21302
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 113.875 minutes
Inclination: 82.5773 deg
SMA: 7782.391 km
Apoapsis: 1416.312 km
Periapsis: 1392.199 km
RAAN: 190.4631 deg
Eccentricy: 0.0015492
Argument of periapsis: 213.5764 deg
Mean anomaly: 146.4348 deg
Mean motion: 12.64541858 rev/day
Mean motion (dot): 0.00000045 rev/day2
B* drag term: 0.00018517 1/REarth
Two-line elements (TLE)
Creation date: May 14, 2025, 3:37 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 13, 2025, 3:44 p.m. UTC
TLE line 0: 0 COSMOS 2146
TLE line 1: 1 21302U 91033D 25133.65557313 .00000045 00000-0 18517-3 0 9997
TLE line 2: 2 21302 82.5773 190.4631 0015492 213.5764 146.4348 12.64541858568828
Live tracking on map
Real-time ground track for satellite COSMOS 2146.
Associated space launch
Second generation store-dump military communications satellite
COSMOS 2146 was lifted into orbit during the mission ‘Tsiklon-3 | Strela-3 61 to 66’, on board a Tsiklon-3 space rocket.
The launch took place on May 16, 1991, 9:40 p.m. from 32/2.
For more information about the launch, click the button.
Tsiklon-3 | Strela-3 61 to 66
Agency: N/A
Status: Launch Successful
Launch date: May 16, 1991, 9:40 p.m. UTC
Rocket: Tsiklon-3
Launch pad: 32/2
Location: Plesetsk Cosmodrome, Russian Federation
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