Laomedeia
Laomedeia, also known as Neptune XII, is a prograde irregular satellite of Neptune. It was discovered by Matthew J. Holman, et al. on August 13, 2002. Before the announcement of its name on February 3, 2007, it was known as S/2002 N 3.
It orbits Neptune at a distance of about 23,571,000 km and is about 42 kilometers in diameter. It is named after Laomedeia, one of the 50 Nereids.