Key statistics
Satellite COSMOS 646 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 646.
Object identification
Identified? True
Debris? False
Object name: COSMOS 646
International designator: 1974-024F
Object number (NORAD): 7270
Object ID (CCSDS): 7270
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.739 minutes
Inclination: 74.019 deg
SMA: 7821.687 km
Apoapsis: 1484.331 km
Periapsis: 1402.773 km
RAAN: 309.9315 deg
Eccentricy: 0.00521357
Argument of periapsis: 323.9795 deg
Mean anomaly: 92.0305 deg
Mean motion: 12.55024237 rev/day
Mean motion (dot): -0.00000025 rev/day2
B* drag term: -0.000050320707 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, 10:20 p.m. UTC
TLE line 0: 0 COSMOS 646
TLE line 1: 1 07270U 74024F 25354.93111277 -.00000025 00000-0 -50321-4 0 9997
TLE line 2: 2 07270 74.0190 309.9315 0052136 323.9795 92.0305 12.55024237366829
Live tracking on map
Real-time ground track for satellite COSMOS 646.
In-orbit conjunctions
There are no conjunctions computed for COSMOS 646, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Military communications satellites
COSMOS 646 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
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
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