PLANETS & MOONS A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site Naiad Naiad from Voyager 2. The elongation is due to smearing of the image The innermost moon of Neptune. Naiad was discovered by the Voyager Imaging Team in September 1989. It is named after the Naiads (nymphs) of Greek legend and is also known as Neptune III. Naiad is small object of irregular shape, which orbits just 23,200 km (14,400 miles) above the Neptunian cloudtops. Discovery 1989, by Voyager 2 Orbit semi-major axis 48,227 km (29,973 miles) Diameter 96×60×52 km (60×37×32 miles) Orbital period 0.294 day (7 hr 3 min.) Orbital eccentricity 0.0003 Orbital inclination 4.75° (to Neptune equator) Visual albedo 0.06 Related entry    • Neptune, moons Related category    • PLANETS AND MOONS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP