Key statistics
Satellite COSMOS 646 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 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: 74.0148 deg
SMA: 7821.696 km
Apoapsis: 1483.593 km
Periapsis: 1403.529 km
RAAN: 87.7348 deg
Eccentricy: 0.00511806
Argument of periapsis: 120.6602 deg
Mean anomaly: 351.0813 deg
Mean motion: 12.55022164 rev/day
Mean motion (dot): -0.00000008 rev/day2
B* drag term: 0.000051135969 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, 6:45 a.m. UTC
TLE line 0: 0 COSMOS 646
TLE line 1: 1 07270U 74024F 25252.28141503 -.00000008 00000-0 51136-4 0 9992
TLE line 2: 2 07270 74.0148 87.7348 0051181 120.6602 351.0813 12.55022164353945
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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