Nereid (moon)

Nereid is one of the moons of Neptune, discovered by the astronomer Gerard Kuiper in 1949. It is the third-largest moon of Neptune and is notable for its highly eccentric and elliptical orbit, which varies markedly in distance from the planet. Here are some key features of Nereid: 1. **Orbit**: Nereid has an unusual orbit, with an orbital period of about 360 days.