Key statistics
Satellite COSMOS 620 at a glance.
Uptime
18830
Days in orbit
Revolutions
≈ 12.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 620.
Object identification
Identified? True
Debris? False
Object name: COSMOS 620
International designator: 1973-104D
Object number (NORAD): 6988
Object ID (CCSDS): 6988
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 115.449 minutes
Inclination: 74.0264 deg
SMA: 7853.923 km
Apoapsis: 1492.613 km
Periapsis: 1458.963 km
RAAN: 191.0635 deg
Eccentricy: 0.0021422
Argument of periapsis: 83.7982 deg
Mean anomaly: 102.6892 deg
Mean motion: 12.47305441 rev/day
Mean motion (dot): 0.00000005 rev/day2
B* drag term: 0.00014145 1/REarth
Two-line elements (TLE)
Creation date: July 9, 2025, 2:22 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 8, 2025, 6:23 p.m. UTC
TLE line 0: 0 COSMOS 620
TLE line 1: 1 06988U 73104D 25189.76606738 .00000005 00000-0 14145-3 0 9997
TLE line 2: 2 06988 74.0264 191.0635 0021422 83.7982 102.6892 12.47305441347338
Live tracking on map
Real-time ground track for satellite COSMOS 620.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 620.
Associated space launch
Military communications satellites
COSMOS 620 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 57-64’, on board a Kosmos-3M space rocket.
The launch took place on Dec. 19, 1973, 9:43 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Strela-1M 57-64
Agency: N/A
Status: Launch Successful
Launch date: Dec. 19, 1973, 9:43 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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