Haumea is a dwarf planet that orbits the sun far beyond Neptune. Abstract: Hi'iaka is the larger outer satellite of the dwarf planet Haumea.

It has a fast rotation period of 3.92 hours, which may be the reason for Haumea’s elongation, and an orbital period of 285.46 years. Haumea is the first trans-Neptunian object discovered to have a ring system.

Abstract Hi'iaka is the larger outer satellite of the dwarf planet Haumea. How did Rizal manifest his leadership in student activism at UST.

It takes Haumea 285 years to go around the Sun once. The orbit of Hi’iaka is almost circular. THE SHORT ROTATION PERIOD OF HI’IAKA, HAUMEA’S LARGEST SATELLITE Danielle M. Hastings1,2, Darin Ragozzine2,3, Daniel C. Fabrycky4, Luke D. Burkhart5,6, Cesar Fuentes7, Jean-Luc Margot1, Michael E. Brown8, and Matthew Holman5 1 University of California, Los Angeles, Department of Earth, Planetary, and Space Sciences, 595 Charles Young Drive East, Los Angeles, CA 90095, …

Hi’iaka is the larger outer satellite of the dwarf planet Haumea.

Compare that to Pluto's orbit of 248 years, and you can see Haumea is considerably further away from the Sun than Pluto, and hence a lot colder.

Haumea displays large fluctuations in brightness over a period of 3.9 hours, which can only be explained by a rotational period of this length.

Namaka orbits Haumea in 18 days in a moderately elliptical, non-Keplerian orbit, and as of 2008 was inclined 13° with respect to Hiʻiaka, which perturbs its orbit.

One of its notable characteristics is how fast it spins on its axis. Unanswered Questions.

Using relative photometry from the Hubble Space Telescope and Magellan and a phase dispersion minimization analysis, we have identified the rotation period of Hi'iaka to be ~9.8 hrs (double-peaked).

Haumea was given the classification of a dwarf planet on September 17, 2008 by the IAU (International Astronomical Union). Because Haumea has two moons, its mass can be calculated, and it was estimated to be one-third that of Pluto or 1/1400 that of Earth. Haumea’s characteristic extreme elongation is probably caused by its rotation, which is so rapid it turned it into an ellipsoid. Scientists that study Haumea believe that it’s made up entirely of rock and has a thin coating of ice. Using relative photometry from the Hubble Space Telescope and Magellan and a phase dispersion minimization analysis, we have identified the rotation period of Hi’iaka to be ̃9.8 hr (double peaked).

Rotation Period about Axis: (length of Haumea's day) 3 hrs 55 min: Revolution Period about the Sun: ... * Haumea is not spherical in shape; it is elongated into an ellipsoid (3D ellipse) shape because it spins so rapidly. Like Uranus, Pluto rotates on its 'side' in its orbital plane, with an axial tilt of 120°, and so its seasonal variation is extreme; at its solstices, one-fourth of its surface is in continuous daylight, whereas another fourth is in continuous darkness. Using relative photometry from the Hubble Space Telescope and Magellan and a phase dispersion minimization analysis, we have identified the rotation period of Hi'iaka to be ~9.8 hrs (double-peaked). Hi’iaka has a fast rotational period of 9.8 hours but a slow orbital period of 49 days. Due to its fast rotation, a day on Haumea … the short rotation period of hi'iaka, haumea's largest satellite Danielle M. Hastings 1,2 , Darin Ragozzine 2,3 , Daniel C. Fabrycky 4 , Luke D. Burkhart 5,6 , Cesar Fuentes 7 , Jean-Luc Margot 1 , Michael E. Brown 8 , and Matthew Holman 5

What is the rotation period of Haumea? Its rotational speed as well as its collisional origin also make Haumea one of the densest dwarf planets discovered to date.

Hi'iaka is the larger outer satellite of the dwarf planet Haumea.

Because of the fast speed of rotation that Haumea has, one day on Haumea lasts only 3.9 Earth hours. Pluto's rotation period, its day, is equal to 6.39 Earth days. Rotation.

It takes Haumea 3.9155 to complete one rotation. This is faster than any other known equilibrium body in the Solar System, and indeed faster than any other known body larger than 100 km in diameter. Haumea's orbit is tilted on an angle, elliptical, and long.

Hiʻiaka orbits Haumea nearly circularly every 49 days. the short rotation period of hi'iaka, haumea's largest satellite Danielle M. Hastings 1,2 , Darin Ragozzine 2,3 , Daniel C. Fabrycky 4 , Luke D. Burkhart 5,6 , Cesar Fuentes 7 , Jean-Luc Margot 1 , Michael E. Brown 8 , and Matthew Holman 5

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