Key statistics
Satellite COSMOS 681 at a glance.
Uptime
18500
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 681.
Object identification
Identified? True
Debris? False
Object name: COSMOS 681
International designator: 1974-072E
Object number (NORAD): 7439
Object ID (CCSDS): 7439
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 115.286 minutes
Inclination: 74.0345 deg
SMA: 7846.543 km
Apoapsis: 1472.241 km
Periapsis: 1464.575 km
RAAN: 185.3516 deg
Eccentricy: 0.0004885
Argument of periapsis: 273.2823 deg
Mean anomaly: 256.0219 deg
Mean motion: 12.49065561 rev/day
Mean motion (dot): 0.00000013 rev/day2
B* drag term: 0.00019514 1/REarth
Two-line elements (TLE)
Creation date: May 13, 2025, 6:58 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 13, 2025, 1:53 p.m. UTC
TLE line 0: 0 COSMOS 681
TLE line 1: 1 07439U 74072E 25133.57874694 .00000013 00000-0 19514-3 0 9994
TLE line 2: 2 07439 74.0345 185.3516 0004885 273.2823 256.0219 12.49065561309421
Live tracking on map
Real-time ground track for satellite COSMOS 681.
In-orbit conjunctions
There are no conjunctions computed for COSMOS 681, 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 681 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
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