Fornjot is a natural satellite of Saturn in the NASA/JPL Solar System Dynamics planetary satellite tables.
- Planet: Saturn
- Satellite: Fornjot
- Satellite code: 642
- Physical parameters: not listed in the NASA/JPL planetary satellite physical parameters table
- Ephemeris: SAT456
- Reference frame: ecliptic
- Epoch (TDB): 2000-01-01.5
- Semi-major axis a: 24936800. km
- Eccentricity e: 0.213
- Argument of periapsis ω: 321.9 deg
- Mean anomaly M: 53.5 deg
- Inclination i: 170.0 deg
- Longitude of ascending node: 269.3 deg
- Sidereal period P: 1470.3618 days
- Argument of periapsis precession period: 150.5 yr
- Longitude of ascending node precession period: 278.6 yr
- Mean elements reference: 48