Nereid Nereid (#) Fr.: Néréide The outermost satellite of Neptune (radius 150-250 km), discovered on May 1, 1949 by Gerard P. Kuiper. Its period is about 360 days and it has the most eccentric orbit (e = 0.76) of any natural satellite. Named after the Nereids, the 50 sea-nymph daughters of Nereus, a Gk. sea god. |