Key statistics
Satellite COSMOS 1677 at a glance.
Uptime
14722
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: 103.844 minutes
Inclination: 64.6844 deg
SMA: 7318.391 km
Apoapsis: 973.801 km
Periapsis: 906.712 km
RAAN: 78.127 deg
Eccentricy: 0.00458357
Argument of periapsis: 51.9676 deg
Mean anomaly: 308.5506 deg
Mean motion: 13.86689788 rev/day
Mean motion (dot): -0.00000049 rev/day2
B* drag term: 0.000036377805 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, 6 a.m. UTC
TLE line 0: 0 COSMOS 1677
TLE line 1: 1 15986U 85075A 25346.25043447 -.00000049 00000-0 36378-4 0 9998
TLE line 2: 2 15986 64.6844 78.1270 0045836 51.9676 308.5506 13.86689788 31968
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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