Chitral Astronomical Society

Chitral Astronomical Society

Skies over the Hindu Kush

Encyclopedia

Dwarf Planet

Sedna

A distant red world from the Solar System's edge.

A trans-Neptunian object with one of the most extreme known orbits — perihelion 76 AU, aphelion near 1,000 AU.

Overview

A trans-Neptunian object with one of the most extreme known orbits — perihelion 76 AU, aphelion near 1,000 AU.

See also

Pluto

The icy heart of the Kuiper Belt.

Ceres

The largest object in the asteroid belt.

Eris

The discovery that demoted Pluto.

Haumea

An egg-shaped dwarf with a ring.

Makemake

An icy dwarf in the outer Kuiper Belt.