S2019_S_40 is a natural satellite of Saturn in the NASA/JPL Solar System Dynamics planetary satellite tables.
- Planet: Saturn
- Satellite: S2019_S_40
- Satellite code: 65197
- Physical parameters: not listed in the NASA/JPL planetary satellite physical parameters table
- Ephemeris: SAT455
- Reference frame: ecliptic
- Epoch (TDB): 2000-01-01.5
- Semi-major axis a: 24087800. km
- Eccentricity e: 0.088
- Argument of periapsis ω: 242.4 deg
- Mean anomaly M: 347.6 deg
- Inclination i: 161.8 deg
- Longitude of ascending node: 44.4 deg
- Sidereal period P: 1395.8771 days
- Argument of periapsis precession period: 165.8 yr
- Longitude of ascending node precession period: 303.6 yr
- Mean elements reference: 46