Key statistics
Satellite COSMOS 1677 at a glance.
Uptime
14667
Days in orbit
Revolutions
≈ 13.9
Per day
Orbit
LEO
Low Earth Orbit
Inclination
64.7
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1677.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1677
International designator: 1985-075A
Object number (NORAD): 15986
Object ID (CCSDS): 15986
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 103.845 minutes
Inclination: 64.6829 deg
SMA: 7318.409 km
Apoapsis: 971.991 km
Periapsis: 908.557 km
RAAN: 221.0616 deg
Eccentricy: 0.00433387
Argument of periapsis: 72.4989 deg
Mean anomaly: 288.0799 deg
Mean motion: 13.86684774 rev/day
Mean motion (dot): -0.00000064 rev/day2
B* drag term: 0.000023486906 1/REarth
Two-line elements (TLE)
Creation date: Oct. 19, 2025, 2:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 18, 2025, 10:41 p.m. UTC
TLE line 0: 0 COSMOS 1677
TLE line 1: 1 15986U 85075A 25291.94545432 -.00000064 00000-0 23487-4 0 9998
TLE line 2: 2 15986 64.6829 221.0616 0043339 72.4989 288.0799 13.86684774 24435
Live tracking on map
Real-time ground track for satellite COSMOS 1677.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 1677.
Associated space launch
Active radar satellite for ocean surveillance powered by a nuclear reactor.
COSMOS 1677 was lifted into orbit during the mission ‘Tsiklon-2 | US-A 27’, on board a Tsiklon-2 space rocket.
The launch took place on Aug. 23, 1985, 10:33 p.m. from 90.
For more information about the launch, click the button.
Tsiklon-2 | US-A 27
Agency: N/A
Status: Launch Successful
Launch date: Aug. 23, 1985, 10:33 p.m. UTC
Rocket: Tsiklon-2
Launch pad: 90
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
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