(dwarf planet discovered in 2004)
Haumea (136108 Haumea) is a presumed dwarf planet discovered in 2004.
Its radius is roughly 780 km,
its mass about a third that of Pluto,
and its rotation period is 3.9 hours: the shortest of any
known body of at least its size within the solar system.
Its orbit is somewhat similar to Pluto's:
eccentric, ranging roughly from 35 AU
to 52 AU and with an orbital inclination of 24°
from the ecliptic. Current thought is that
it does not share an orbital resonance with Neptune.
Two moons and a ring have been detected.
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Referenced by pages:
Kuiper Belt (K Belt)
trans-Neptunian object (TNO)