Location: Resides in the Kuiper Belt, a region of icy bodies beyond Neptune.

Composition: The surface is primarily composed of nitrogen, methane, and carbon monoxide ices, along with water ice.

Atmosphere: Has a thin atmosphere that expands when it is closest to the Sun in its orbit, primarily made of nitrogen with traces of methane.

Color: Appears reddish-brown due to the presence of tholins, which are complex organic compounds created by solar radiation.

Moons: Has five known moons, with Charon being the largest and most significant, creating a unique binary system.