Key statistics
Satellite COSMOS 623 at a glance.
Uptime
18994
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: 74.0285 deg
SMA: 7813.678 km
Apoapsis: 1484.623 km
Periapsis: 1386.463 km
RAAN: 238.684 deg
Eccentricy: 0.0062813
Argument of periapsis: 352.5807 deg
Mean anomaly: 180.8542 deg
Mean motion: 12.5695423 rev/day
Mean motion (dot): 0.00000008 rev/day2
B* drag term: 0.00014729 1/REarth
Two-line elements (TLE)
Creation date: Dec. 19, 2025, 9:06 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 19, 2025, 10:34 a.m. UTC
TLE line 0: 0 COSMOS 623
TLE line 1: 1 6991U 73104G 25353.44072259 .00000008 00000-0 14729-3 0 9995
TLE line 2: 2 6991 74.0285 238.6840 0062813 352.5807 180.8542 12.56954230386084
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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