Plutoids

 As of 2016, eight objects were recongized as Plutoids: Pluto, Eris, Orcus, Haumea, Quaoar, Makemake 2007 OR10, and Sedna. A Plutoid is an object beyond Neptune's orbit that is massive enough to pull itself into a sphere or spheroid. Eris and Makemake are recent discoveries by Mike Brown and his team.

The simulation Plutoids shows these three objects, along with the solar system's planets, orbiting the Sun.