triton is a large, natural body of matter that revolves around neptune. the words that can be used to describe triton.

Triton is the largest natural satellite of the planet Neptune, and the first Neptunian moon to be discovered. The discovery was made on October 10, 1846, by English astronomer William Lasselle. It is the only large moon in the Solar System with a retrograde orbit, an orbit in the direction opposite to its planet's rotation.