Key statistics
Satellite COSMOS 646 at a glance.
Uptime
18709
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: 74.0161 deg
SMA: 7821.701 km
Apoapsis: 1484.228 km
Periapsis: 1402.903 km
RAAN: 166.0853 deg
Eccentricy: 0.0051987
Argument of periapsis: 209.607 deg
Mean anomaly: 165.0816 deg
Mean motion: 12.55020982 rev/day
Mean motion (dot): -0.00000025 rev/day2
B* drag term: -0.000054968 1/REarth
Two-line elements (TLE)
Creation date: July 13, 2025, 2:53 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 12, 2025, 9:57 p.m. UTC
TLE line 0: 0 COSMOS 646
TLE line 1: 1 07270U 74024F 25193.91465311 -.00000025 00000-0 -54968-4 0 9998
TLE line 2: 2 07270 74.0161 166.0853 0051987 209.6070 165.0816 12.55020982346622
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
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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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