Gerd is a natural satellite of Saturn in the NASA/JPL Solar System Dynamics planetary satellite tables.
- Planet: Saturn
- Satellite: Gerd
- Satellite code: 657
- 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: 20947500. km
- Eccentricity e: 0.517
- Argument of periapsis ω: 307.2 deg
- Mean anomaly M: 49.5 deg
- Inclination i: 174.4 deg
- Longitude of ascending node: 260.4 deg
- Sidereal period P: 1131.9062 days
- Argument of periapsis precession period: 147.3 yr
- Longitude of ascending node precession period: 222.9 yr
- Mean elements reference: 48