47171 Lempo, or as a binary Lempo–Hiisi, is a triple trans-Neptunian object in the Kuiper belt, located in the outermost regions of the Solar System. It was discovered on 1 October 1999, by American a

A minor-planet moon is an astronomical object that orbits a minor planet as its natural satellite. As of May 2026, there are 625 minor planets known or suspected to have moons. Discoveries of minor-pl