Triton

Triton (Neptune I) is a moon of Neptune, discovered by William Lassell in 1846. It orbits Neptune every 5.9 days and shines at about magnitude 13.5.

A captured world that orbits Neptune backwards; up to 17″ from the planet, within reach of an 8-inch scope.

Other moons of Neptune: none.

Open AstroPilot to see where Triton is next to Neptune tonight and how easy it is with your telescope.