Key statistics
Satellite COSMOS 643 at a glance.
Uptime
18870
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 643.
Object identification
Identified? True
Debris? False
Object name: COSMOS 643
International designator: 1974-024C
Object number (NORAD): 7267
Object ID (CCSDS): 7267
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.142 minutes
Inclination: 74.019 deg
SMA: 7794.529 km
Apoapsis: 1481.243 km
Periapsis: 1351.545 km
RAAN: 359.2138 deg
Eccentricy: 0.0083198
Argument of periapsis: 317.7598 deg
Mean anomaly: 158.0175 deg
Mean motion: 12.61589119 rev/day
Mean motion (dot): -0.00000008 rev/day2
B* drag term: 0.00004795756 1/REarth
Two-line elements (TLE)
Creation date: Dec. 21, 2025, 3:42 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 20, 2025, 5:28 p.m. UTC
TLE line 0: 0 COSMOS 643
TLE line 1: 1 07267U 74024C 25354.72835830 -.00000008 00000-0 47958-4 0 9990
TLE line 2: 2 07267 74.0190 359.2138 0083198 317.7598 158.0175 12.61589119379127
Live tracking on map
Real-time ground track for satellite COSMOS 643.
Associated space launch
Military communications satellites
COSMOS 643 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 65-72’, on board a Kosmos-3M space rocket.
The launch took place on April 23, 1974, 2:14 p.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Strela-1M 65-72
Agency: N/A
Status: Launch Successful
Launch date: April 23, 1974, 2:14 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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