Dwarf planet Haumea reaches both opposition and perigee on April 20, ... Though its orbit might be quite slow, Haumea rotates extremely fast — it takes just four hours to complete one rotation.

The football-shaped Haumea may reveal clues about icy worlds. By Tatyana ... for this asteroid’s bizarre orbit The elusive Planet Nine might be responsible for this asteroid’s bizarre orbit.

Now, following fresh observations, astronomers have discovered this dwarf planet also has a ring system in orbit around it. It's the first time a ring structure has been identified around an object ...

Haumea is one of only five officially recognized dwarf planets, with the others being Ceres, Eris, Makemake, and of course the onetime planet Pluto. ... sending debris into its orbit.

Haumea, out in the depths of the solar system, is a rule breaker. This is a world about 1300 miles long, 1000 miles wide, and less than 700 miles high pole to pole, and it isn't alone.