Naiad is a natural satellite of Neptune in the NASA/JPL Solar System Dynamics planetary satellite tables.
- Planet: Neptune
- Satellite: Naiad
- Satellite code: 803
- GM: 0.00853 ± 0.00480 km³/s² (ephemeris NEP097)
- Mean Radius: 29.00 ± 6.00 km (reference 1)
- Mean Density: 1.2511 ± 1.0478 g/cm³ (NASA note: Mean Density is derived from the specified GM and Mean Radius.)
- Ephemeris: NEP097
- Reference frame: Laplace
- Epoch (TDB): 2000-01-01.5
- Semi-major axis a: 48200. km
- Eccentricity e: 0.000
- Argument of periapsis ω: 0.0 deg
- Mean anomaly M: 89.7 deg
- Inclination i: 4.7 deg
- Longitude of ascending node: 41.4 deg
- Sidereal period P: 0.293980 days
- Argument of periapsis precession period: 0.000 yr
- Longitude of ascending node precession period: 0.575 yr
- Laplace-plane pole right ascension: 299.7 deg
- Laplace-plane pole declination: 42.7 deg
- Laplace-plane tilt: 0.4 deg
- Mean elements reference: 24