Key statistics
Satellite COSMOS 643 at a glance.
Uptime
18824
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: 74.0192 deg
SMA: 7794.535 km
Apoapsis: 1480.585 km
Periapsis: 1352.215 km
RAAN: 61.5835 deg
Eccentricy: 0.0082346
Argument of periapsis: 28.2185 deg
Mean anomaly: 148.2044 deg
Mean motion: 12.61587735 rev/day
Mean motion (dot): -0.00000032 rev/day2
B* drag term: -0.000086157 1/REarth
Two-line elements (TLE)
Creation date: Nov. 4, 2025, 11:56 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Nov. 4, 2025, 7:57 p.m. UTC
TLE line 0: 0 COSMOS 643
TLE line 1: 1 7267U 74024C 25308.83167514 -.00000032 00000-0 -86157-4 0 9990
TLE line 2: 2 7267 74.0192 61.5835 0082346 28.2185 148.2044 12.61587735373331
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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