What makes this world interesting
Haumea illustrates the link between rotation and the shape of a large body. It has moons and a ring. Its dimensions depend on the direction measured: a single diameter poorly describes this elongated world.
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Dwarf planet
Haumea
A rotation that distorts a world
An elongated trans-Neptunian object with a very rapid rotation.
- Region
- Beyond Neptune
- Rotation
- ≈ 4 hours
- Orbital period
- ≈ 285 ans
Observe or explore it
A very faint object: its discovery and study rely on specialist observations, rather than a disc visible through an amateur eyepiece.
Connect the discoveries
Sources and reference information
Rounded educational data, sources consulted on 18 October 2026. Orbital distances are mean reference distances from the Sun, not current distances from Earth. Periods are expressed in Earth time. The planner provides date-specific positions for supported targets.