Key statistics
Satellite COSMOS 645 at a glance.
Uptime
18769
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 645.
Object identification
Identified? True
Debris? False
Object name: COSMOS 645
International designator: 1974-024E
Object number (NORAD): 7269
Object ID (CCSDS): 7269
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.328 minutes
Inclination: 74.0149 deg
SMA: 7802.996 km
Apoapsis: 1481.624 km
Periapsis: 1368.097 km
RAAN: 235.6853 deg
Eccentricy: 0.00727463
Argument of periapsis: 229.2404 deg
Mean anomaly: 187.5765 deg
Mean motion: 12.595364 rev/day
Mean motion (dot): -0.00000033 rev/day2
B* drag term: -0.000092990452 1/REarth
Two-line elements (TLE)
Creation date: Sept. 9, 2025, 10:35 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 9, 2025, 12:02 a.m. UTC
TLE line 0: 0 COSMOS 645
TLE line 1: 1 07269U 74024E 25252.00194373 -.00000033 00000-0 -92990-4 0 9995
TLE line 2: 2 07269 74.0149 235.6853 0072746 229.2404 187.5765 12.59536400362243
Live tracking on map
Real-time ground track for satellite COSMOS 645.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 645.
Associated space launch
Military communications satellites
COSMOS 645 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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