Key statistics
Satellite COSMOS 1621 at a glance.
Uptime
14848
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 1621.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1621
International designator: 1985-003E
Object number (NORAD): 15473
Object ID (CCSDS): 15473
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 113.881 minutes
Inclination: 82.6058 deg
SMA: 7782.642 km
Apoapsis: 1414.714 km
Periapsis: 1394.3 km
RAAN: 256.1009 deg
Eccentricy: 0.00131151
Argument of periapsis: 64.9836 deg
Mean anomaly: 61.0238 deg
Mean motion: 12.64480725 rev/day
Mean motion (dot): 0.00000003 rev/day2
B* drag term: -0.000040315439 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 6:18 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 8, 2025, 1:07 p.m. UTC
TLE line 0: 0 COSMOS 1621
TLE line 1: 1 15473U 85003E 25251.54698869 .00000003 00000-0 -40315-4 0 9997
TLE line 2: 2 15473 82.6058 256.1009 0013115 64.9836 61.0238 12.64480725875965
Live tracking on map
Real-time ground track for satellite COSMOS 1621.
In-orbit conjunctions
There are no conjunctions computed for COSMOS 1621, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Second generation store-dump military communications satellite
COSMOS 1621 was lifted into orbit during the mission ‘Tsiklon-3 | Strela-3 1 to 6’, on board a Tsiklon-3 space rocket.
The launch took place on Jan. 15, 1985, 2:50 p.m. from 32/1.
For more information about the launch, click the button.
Tsiklon-3 | Strela-3 1 to 6
Agency: N/A
Status: Launch Successful
Launch date: Jan. 15, 1985, 2:50 p.m. UTC
Rocket: Tsiklon-3
Launch pad: 32/1
Location: Plesetsk Cosmodrome, Russian Federation
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
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