An Etymological Dictionary of Astronomy and Astrophysics

The outermost natural satellite of → Neptune, discovered in 2002. Also known as Neptune XIII, it follows a highly inclined and highly eccentric orbit at about 48 million km from Neptune. According to preliminary estimates, Neso is about 60 km in diameter.

See also: In Gk. mythology, one of the Nereids, the fifty daughters of Nereus and Doris.