Key statistics
Satellite COSMOS 684 at a glance.
Uptime
18713
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 684.
Object identification
Identified? True
Debris? False
Object name: COSMOS 684
International designator: 1974-072H
Object number (NORAD): 7442
Object ID (CCSDS): 7442
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.675 minutes
Inclination: 74.0358 deg
SMA: 7818.803 km
Apoapsis: 1465.404 km
Periapsis: 1415.931 km
RAAN: 314.1237 deg
Eccentricy: 0.00316368
Argument of periapsis: 106.09 deg
Mean anomaly: 4.2916 deg
Mean motion: 12.557188 rev/day
Mean motion (dot): 0.00000004 rev/day2
B* drag term: 0.00012041509 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 7:07 a.m. UTC
TLE line 0: 0 COSMOS 684
TLE line 1: 1 07442U 74072H 25346.29704067 .00000004 00000-0 12042-3 0 9998
TLE line 2: 2 07442 74.0358 314.1237 0031637 106.0900 4.2916 12.55718800348287
Live tracking on map
Real-time ground track for satellite COSMOS 684.
In-orbit conjunctions
There are no conjunctions computed for COSMOS 684, 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 684 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 73-80’, on board a Kosmos-3M space rocket.
The launch took place on Sept. 19, 1974, 2:57 p.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Strela-1M 73-80
Agency: N/A
Status: Launch Successful
Launch date: Sept. 19, 1974, 2:57 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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