Haumea

Description:
Haumea is a dwarf planet located beyond Neptune's orbit. It was discovered in 2004 by a team headed by Mike Brown of Caltech at the Palomar Observatory in the United States and independently in 2005

Radius: 816 km

Orbital period: 284 years

Surface area: ≈ 9.2×106 km2

Equatorial surface gravity: ≈0.401 m/s2

Moons: Hi'iaka, Namaka

Did you know: Following Pluto and Makemake, Haumea is the Kuiper Belt's third brightest object