Key statistics
Satellite SL-14 R/B at a glance.
Uptime
16036
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: 1981-117B
Object number (NORAD): 12988
Object ID (CCSDS): 12988
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 96.835 minutes
Inclination: 82.5217 deg
SMA: 6985.229 km
Apoapsis: 619.091 km
Periapsis: 595.096 km
RAAN: 84.9647 deg
Eccentricy: 0.00171753
Argument of periapsis: 180.1007 deg
Mean anomaly: 180.0209 deg
Mean motion: 14.87071428 rev/day
Mean motion (dot): 0.00000986 rev/day2
B* drag term: 0.00010696391 1/REarth
Two-line elements (TLE)
Creation date: Oct. 28, 2025, 7:11 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 28, 2025, 11:14 a.m. UTC
TLE line 0: 0 SL-14 R/B
TLE line 1: 1 12988U 81117B 25301.46855207 .00000986 00000-0 10696-3 0 9992
TLE line 2: 2 12988 82.5217 84.9647 0017175 180.1007 180.0209 14.87071428352261
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 32’, on board a Tsiklon-3 space rocket.
The launch took place on Dec. 3, 1981, 11:47 a.m. from 32/1.
For more information about the launch, click the button.
Tsiklon-3 | Tselina-D 32
Agency: N/A
Status: Launch Successful
Launch date: Dec. 3, 1981, 11:47 a.m. UTC
Rocket: Tsiklon-3
Launch pad: 32/1
Location: Plesetsk Cosmodrome, Russian Federation
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