Key statistics
Satellite COSMOS 2146 at a glance.
Uptime
12472
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: 82.5761 deg
SMA: 7782.386 km
Apoapsis: 1417.807 km
Periapsis: 1390.695 km
RAAN: 155.0783 deg
Eccentricy: 0.0017419
Argument of periapsis: 91.626 deg
Mean anomaly: 268.6828 deg
Mean motion: 12.64543107 rev/day
Mean motion (dot): 0.00000016 rev/day2
B* drag term: 0.00002762 1/REarth
Two-line elements (TLE)
Creation date: July 8, 2025, 2:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 9:08 p.m. UTC
TLE line 0: 0 COSMOS 2146
TLE line 1: 1 21302U 91033D 25188.88106212 .00000016 00000-0 27620-4 0 9994
TLE line 2: 2 21302 82.5761 155.0783 0017419 91.6260 268.6828 12.64543107575802
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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