Key statistics
Satellite SL-14 R/B at a glance.
Uptime
14724
Days in orbit
Revolutions
≈ 14.9
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-14 R/B.
Object identification
Identified? True
Debris? False
Object name: SL-14 R/B
International designator: 1985-058B
Object number (NORAD): 15890
Object ID (CCSDS): 15890
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 96.93 minutes
Inclination: 82.5227 deg
SMA: 6989.836 km
Apoapsis: 625.095 km
Periapsis: 598.306 km
RAAN: 277.7847 deg
Eccentricy: 0.0019163
Argument of periapsis: 210.7483 deg
Mean anomaly: 149.2612 deg
Mean motion: 14.85601411 rev/day
Mean motion (dot): 0.0000075 rev/day2
B* drag term: 0.00008366246 1/REarth
Two-line elements (TLE)
Creation date: Oct. 30, 2025, 3:32 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 29, 2025, 10:01 p.m. UTC
TLE line 0: 0 SL-14 R/B
TLE line 1: 1 15890U 85058B 25302.91773625 .00000750 00000-0 83662-4 0 9992
TLE line 2: 2 15890 82.5227 277.7847 0019163 210.7483 149.2612 14.85601411157041
Live tracking on map
Real-time ground track for satellite SL-14 R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SL-14 R/B.
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.
SL-14 R/B 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
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