Key statistics
Satellite SL-14 R/B at a glance.
Uptime
14320
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: 1986-074B
Object number (NORAD): 16987
Object ID (CCSDS): 16987
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 96.953 minutes
Inclination: 82.5152 deg
SMA: 6990.906 km
Apoapsis: 625.999 km
Periapsis: 599.543 km
RAAN: 284.5616 deg
Eccentricy: 0.00189212
Argument of periapsis: 117.0065 deg
Mean anomaly: 358.2367 deg
Mean motion: 14.85260269 rev/day
Mean motion (dot): 0.00000849 rev/day2
B* drag term: 0.000095852246 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, 7:43 a.m. UTC
TLE line 0: 0 SL-14 R/B
TLE line 1: 1 16987U 86074B 25346.32154683 .00000849 00000-0 95852-4 0 9992
TLE line 2: 2 16987 82.5152 284.5616 0018921 117.0065 358.2367 14.85260269 96999
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 57’, on board a Tsiklon-3 space rocket.
The launch took place on Sept. 30, 1986, 6:34 p.m. from 32/1.
For more information about the launch, click the button.
Tsiklon-3 | Tselina-D 57
Agency: N/A
Status: Launch Successful
Launch date: Sept. 30, 1986, 6:34 p.m. UTC
Rocket: Tsiklon-3
Launch pad: 32/1
Location: Plesetsk Cosmodrome, Russian Federation
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