Key statistics
Satellite COSMOS 2146 at a glance.
Uptime
12536
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: 82.5731 deg
SMA: 7782.379 km
Apoapsis: 1416.323 km
Periapsis: 1392.164 km
RAAN: 114.6234 deg
Eccentricy: 0.00155214
Argument of periapsis: 311.8315 deg
Mean anomaly: 48.1452 deg
Mean motion: 12.6454479 rev/day
Mean motion (dot): 0.0000004 rev/day2
B* drag term: 0.0001576392 1/REarth
Two-line elements (TLE)
Creation date: Sept. 9, 2025, 10:35 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 9, 2025, 12:26 a.m. UTC
TLE line 0: 0 COSMOS 2146
TLE line 1: 1 21302U 91033D 25252.01830743 .00000040 00000-0 15764-3 0 9996
TLE line 2: 2 21302 82.5731 114.6234 0015521 311.8315 48.1452 12.64544790583780
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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