Key statistics
Satellite COSMOS 1666 at a glance.
Uptime
14587
Days in orbit
Revolutions
≈ 16.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1666.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1666
International designator: 1985-058A
Object number (NORAD): 15889
Object ID (CCSDS): 15889
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Decay date: June 15, 2025
Period: 87.248 minutes
Inclination: 82.4378 deg
SMA: 6516.228 km
Apoapsis: 149.213 km
Periapsis: 126.973 km
RAAN: 297.0719 deg
Eccentricy: 0.0017065
Argument of periapsis: 286.4977 deg
Mean anomaly: 132.9625 deg
Mean motion: 16.50472833 rev/day
Mean motion (dot): 0.18140549 rev/day2
B* drag term: 0.0001711 1/REarth
Two-line elements (TLE)
Creation date: June 15, 2025, 10:46 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: June 15, 2025, 9:11 a.m. UTC
TLE line 0: 0 COSMOS 1666
TLE line 1: 1 15889U 85058A 25166.38264313 .18140549 -12561-5 17110-3 0 9993
TLE line 2: 2 15889 82.4378 297.0719 0017065 286.4977 132.9625 16.50472833187645
Live tracking on map
Satellite COSMOS 1666 has decayed and is no longer in orbit. No tracking available.
In-orbit conjunctions
Satellite COSMOS 1666 has decayed and is no longer in orbit. No conjunctions available.
Associated space launch
Tselina-D satellites provided detailed observation of radio sources detected by the smaller Tselina-O satellites as part of the Tselina ELINT system.
COSMOS 1666 was lifted into orbit during the mission ‘Tsiklon-3 | Tselina-D 49’, on board a Tsiklon-3 space rocket.
The launch took place on July 8, 1985, 11:40 p.m. from 32/2.
For more information about the launch, click the button.
Tsiklon-3 | Tselina-D 49
Agency: N/A
Status: Launch Successful
Launch date: July 8, 1985, 11:40 p.m. UTC
Rocket: Tsiklon-3
Launch pad: 32/2
Location: Plesetsk Cosmodrome, Russian Federation
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
