Key statistics
Satellite COSMOS 647 at a glance.
Uptime
18870
Days in orbit
Revolutions
≈ 12.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 647.
Object identification
Identified? True
Debris? False
Object name: COSMOS 647
International designator: 1974-024G
Object number (NORAD): 7271
Object ID (CCSDS): 7271
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.936 minutes
Inclination: 74.0188 deg
SMA: 7830.64 km
Apoapsis: 1482.421 km
Periapsis: 1422.589 km
RAAN: 51.6198 deg
Eccentricy: 0.00382036
Argument of periapsis: 81.7335 deg
Mean anomaly: 91.9968 deg
Mean motion: 12.52872452 rev/day
Mean motion (dot): 0.00000007 rev/day2
B* drag term: 0.00014321523 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, 9:13 p.m. UTC
TLE line 0: 0 COSMOS 647
TLE line 1: 1 07271U 74024G 25354.88448601 .00000007 00000-0 14322-3 0 9994
TLE line 2: 2 07271 74.0188 51.6198 0038204 81.7335 91.9968 12.52872452362721
Live tracking on map
Real-time ground track for satellite COSMOS 647.
Associated space launch
Military communications satellites
COSMOS 647 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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