Key statistics
Satellite SL-14 R/B at a glance.
Uptime
13993
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: 1987-055B
Object number (NORAD): 18153
Object ID (CCSDS): 18153
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 96.941 minutes
Inclination: 82.4962 deg
SMA: 6990.35 km
Apoapsis: 627.664 km
Periapsis: 596.766 km
RAAN: 119.9511 deg
Eccentricy: 0.0022101
Argument of periapsis: 111.3123 deg
Mean anomaly: 249.0456 deg
Mean motion: 14.85437513 rev/day
Mean motion (dot): 0.0000083 rev/day2
B* drag term: 0.000093089 1/REarth
Two-line elements (TLE)
Creation date: Oct. 22, 2025, 12:06 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 21, 2025, 6:53 p.m. UTC
TLE line 0: 0 SL-14 R/B
TLE line 1: 1 18153U 87055B 25294.78720251 .00000830 00000-0 93089-4 0 9991
TLE line 2: 2 18153 82.4962 119.9511 0022101 111.3123 249.0456 14.85437513 49314
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 61’, on board a Tsiklon-3 space rocket.
The launch took place on July 1, 1987, 7:35 p.m. from 32/2.
For more information about the launch, click the button.
Tsiklon-3 | Tselina-D 61
Agency: N/A
Status: Launch Successful
Launch date: July 1, 1987, 7:35 p.m. UTC
Rocket: Tsiklon-3
Launch pad: 32/2
Location: Plesetsk Cosmodrome, Russian Federation
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