Key statistics
Satellite SL-12 R/B(AUX MOTOR) at a glance.
Uptime
14953
Days in orbit
Revolutions
≈ 14.2
Per day
Orbit
LEO
Low Earth Orbit
Inclination
66.6
Latest
Satellite identification and parameters
Extended collection of information and parameters for SL-12 R/B(AUX MOTOR).
Object identification
Identified? True
Debris? False
Object name: SL-12 R/B(AUX MOTOR)
International designator: 1984-106C
Object number (NORAD): 15335
Object ID (CCSDS): 15335
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 101.194 minutes
Inclination: 66.5547 deg
SMA: 7193.311 km
Apoapsis: 820.598 km
Periapsis: 809.753 km
RAAN: 13.2885 deg
Eccentricy: 0.00075377
Argument of periapsis: 34.9696 deg
Mean anomaly: 138.8521 deg
Mean motion: 14.23015221 rev/day
Mean motion (dot): 0.00000218 rev/day2
B* drag term: 0.00013451214 1/REarth
Two-line elements (TLE)
Creation date: Sept. 4, 2025, 10:13 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 4, 2025, 1:51 a.m. UTC
TLE line 0: 0 SL-12 R/B(AUX MOTOR)
TLE line 1: 1 15335U 84106C 25247.07764693 .00000218 00000-0 13451-3 0 9996
TLE line 2: 2 15335 66.5547 13.2885 0007538 34.9696 138.8521 14.23015221123431
Live tracking on map
Real-time ground track for satellite SL-12 R/B(AUX MOTOR).
In-orbit conjunctions
A list of the most updated potential collisions computed for object SL-12 R/B(AUX MOTOR).
Associated space launch
Second generation ELING satellite
SL-12 R/B(AUX MOTOR) was lifted into orbit during the mission ‘Proton | Tselina-2 1’, on board a Proton space rocket.
The launch took place on Sept. 28, 1984, 2 p.m. from 200/39 (200L).
For more information about the launch, click the button.

Proton | Tselina-2 1
Agency: N/A
Status: Launch Successful
Launch date: Sept. 28, 1984, 2 p.m. UTC
Rocket: Proton
Launch pad: 200/39 (200L)
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
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