Neptune, the eighth planet from the Sun, has a day length of approximately 16 hours and 6 minutes. It takes a lengthy 164 years to complete a single orbit around the Sun. The planet boasts a diverse collection of moons, including Naiad, Neso, Despina, Laomedeia, Halimede, Nereid, Thalassa, Triton, Larissa, Galatea, and Proteus.