Key statistics
Satellite SL-14 R/B at a glance.
Uptime
17519
Days in orbit
Revolutions
≈ 13.9
Per day
Orbit
LEO
Low Earth Orbit
Inclination
75.8
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: 1977-123B
Object number (NORAD): 10541
Object ID (CCSDS): 10541
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 103.651 minutes
Inclination: 75.8369 deg
SMA: 7309.291 km
Apoapsis: 1149.908 km
Periapsis: 712.403 km
RAAN: 18.1242 deg
Eccentricy: 0.029928
Argument of periapsis: 224.1213 deg
Mean anomaly: 133.5701 deg
Mean motion: 13.89280355 rev/day
Mean motion (dot): 0.00000087 rev/day2
B* drag term: 0.000057568913 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 2:13 p.m. UTC
TLE line 0: 0 SL-14 R/B
TLE line 1: 1 10541U 77123B 25347.59296920 .00000087 00000-0 57569-4 0 9995
TLE line 2: 2 10541 75.8369 18.1242 0299280 224.1213 133.5701 13.89280355430702
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
Dynamic simulator of the Tselina-D ELINT satellite
SL-14 R/B was lifted into orbit during the mission ‘Tsiklon-3 | EPN 03.0380 3’, on board a Tsiklon-3 space rocket.
The launch took place on Dec. 27, 1977, 8 a.m. from 32/2.
For more information about the launch, click the button.
Tsiklon-3 | EPN 03.0380 3
Agency: N/A
Status: Launch Successful
Launch date: Dec. 27, 1977, 8 a.m. UTC
Rocket: Tsiklon-3
Launch pad: 32/2
Location: Plesetsk Cosmodrome, Russian Federation
...
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