
HAUMEA!! my absolute favorite celestial body!! :3
Im so excited to read about Haumea eeee i LOVE Haumea!
Dwarf planet Haumea was originally designated 2003 EL61 (and nicknamed Santa by one discovery team). Haumea is located in the Kuiper Belts, a doughnut-shaped region of icy bodies beyond the orbit of Neptune.
Haumea is an oval-shaped dwarf planet that is one of the fastest rotating large objects in our solar system. The fast spin distorts Haumea's shape, making this dwarf planet look like a football.
While most rotating bodies in equilibrium are flattened into oblate spheroids, Haumea rotates so quickly that it is distorted into a triaxial ellipsoid. If Haumea were to rotate much more rapidly, it would distort itself into a dumbbell shape and split in two.
With an equatorial diameter of about 1,080 miles (about 1,740 kilometers), Haumea is about 1/7 the width of Earth. If Earth were the size of a nickel, Haumea would be about as big as a sesame seed. From an average distance of 4 billion miles (6.5 billion kilometers), Haumea is 43 astronomical units away from the Sun. One astronomical unit (abbreviated as AU), is the distance from the Sun to Earth. From this distance, it takes sunlight 6 hours to travel from the Sun to Haumea.
Haumea takes 285 Earth years to make one trip around the Sun. As Haumea orbits the Sun, it completes one rotation every 4 hours, making it one of the fastest rotating large objects in our solar system.
Haumea is thought to be in an intermittent 7:12 orbital resonance with Neptune. Its ascending node Ω precesses with a period of about 4.6 million years, and the resonance is broken twice per precession cycle, or every 2.3 million years, only to return a hundred thousand years or so later. As this is not a stable resonance, Marc Buie qualifies it as non-resonant.
It is possible that a large object impacted Haumea billions of years ago and set off Haumea's spin and created its moons.
Haumea has two known moons: Namaka is the inner moon, and Hi'iaka is the outer moon. Both were discovered in 2005 and named for the mythological daughters of Haumea. Hi'iaka is the patron goddess of the island of Hawaii and of hula dancers. Namaka is a water spirit in Hawaiian mythology.
Haumea is the first known Kuiper Belt Object to have rings. Scientists announced the discovery in 2017 after watching the dwarf planet pass in front of a star.
Dwarf planet Haumea is a member of a group of objects that orbit in a disc-like zone beyond the orbit of Neptune called the Kuiper Belt. This distant realm is populated with thousands of miniature icy worlds which formed early in the history of our solar system about 4.5 billion years ago. These icy, rocky bodies are called Kuiper Belt objects, transneptunian objects, or plutoids.
Astronomers believe Haumea is made of rock with a coating of ice.
In 2005, the Gemini and Keck telescopes obtained spectra of Haumea which showed strong crystalline water ice features similar to the surface of Pluto's moon Charon. This is peculiar, because crystalline ice forms at temperatures above 110 K, whereas Haumea's surface temperature is below 50 K, a temperature at which amorphous ice is formed. In addition, the structure of crystalline ice is unstable under the constant rain of cosmic rays and energetic particles from the Sun that strike trans-Neptunian objects. The timescale for the crystalline ice to revert to amorphous ice under this bombardment is on the order of ten million years, yet trans-Neptunian objects have been in their present cold-temperature locations for timescales of billions of years.
Scientists do not think Haumea has a magnetosphere.
