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Dwarf planet · Kuiper Belt

Haumea

Equatorial diameter~1,740 km
Average distance43 AU
Year285 Earth years
Day~4 h

It spins once every ~4 hours, one of the fastest-rotating large objects in the Solar System.

Its ring was announced in 2017, found when Haumea passed in front of a star.

Sources

  1. NASA Science, Haumea
  2. JPL Small-Body Database (orbital elements, physical parameters)
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