Key statistics
Satellite COSMOS 681 at a glance.
Uptime
18553
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: 74.0352 deg
SMA: 7846.539 km
Apoapsis: 1471.909 km
Periapsis: 1464.899 km
RAAN: 115.4887 deg
Eccentricy: 0.0004467
Argument of periapsis: 201.0537 deg
Mean anomaly: 271.873 deg
Mean motion: 12.49066518 rev/day
Mean motion (dot): -0.00000016 rev/day2
B* drag term: -0.00000095619 1/REarth
Two-line elements (TLE)
Creation date: July 5, 2025, 5:45 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 5, 2025, 6:18 a.m. UTC
TLE line 0: 0 COSMOS 681
TLE line 1: 1 07439U 74072E 25186.26314940 -.00000016 00000-0 -95619-6 0 9999
TLE line 2: 2 07439 74.0352 115.4887 0004467 201.0537 271.8730 12.49066518316009
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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