Key statistics
Satellite COSMOS 623 at a glance.
Uptime
18945
Days in orbit
Revolutions
≈ 12.6
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 623.
Object identification
Identified? True
Debris? False
Object name: COSMOS 623
International designator: 1973-104G
Object number (NORAD): 6991
Object ID (CCSDS): 6991
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.563 minutes
Inclination: 74.0278 deg
SMA: 7813.684 km
Apoapsis: 1483.915 km
Periapsis: 1387.183 km
RAAN: 304.2607 deg
Eccentricy: 0.0061899
Argument of periapsis: 67.0452 deg
Mean anomaly: 105.9614 deg
Mean motion: 12.56952957 rev/day
Mean motion (dot): 0.00000019 rev/day2
B* drag term: 0.00020762 1/REarth
Two-line elements (TLE)
Creation date: Oct. 31, 2025, 10:56 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 31, 2025, 5:38 p.m. UTC
TLE line 0: 0 COSMOS 623
TLE line 1: 1 6991U 73104G 25304.73509111 .00000019 00000-0 20762-3 0 9991
TLE line 2: 2 6991 74.0278 304.2607 0061899 67.0452 105.9614 12.56952957379965
Live tracking on map
Real-time ground track for satellite COSMOS 623.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 623.
Associated space launch
Military communications satellites
COSMOS 623 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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