S2018_J_3 is a natural satellite of Jupiter in the NASA/JPL Solar System Dynamics planetary satellite tables.
- Planet: Jupiter
- Satellite: S2018_J_3
- Satellite code: 55511
- Physical parameters: not listed in the NASA/JPL planetary satellite physical parameters table
- Ephemeris: JUP347
- Reference frame: ecliptic
- Epoch (TDB): 2000-01-01.5
- Semi-major axis a: 23400200. km
- Eccentricity e: 0.268
- Argument of periapsis ω: 177.5 deg
- Mean anomaly M: 279.0 deg
- Inclination i: 164.9 deg
- Longitude of ascending node: 135.7 deg
- Sidereal period P: 731.4875 days
- Argument of periapsis precession period: 50.1 yr
- Longitude of ascending node precession period: 87.3 yr
- Mean elements reference: 47