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The name Ceres comes from the Roman grain goddess who was the patron goddess of Sicily, and with it began the tradition of naming main-belt asteroids after female characters from Greco-Roman mythology. At about 2.77 astronomical units (AU; about 414 million km [257 million miles]) from the Sun, it is by far the nearest of the dwarf planets.
Be mostly round. Dwarf planets like Pluto were defined as objects that orbit the Sun, and are nearly round, but have not been able to clear their orbit of debris. So far, the IAU has only recognized five dwarf planets. In order of distance from the Sun they are: Ceres, Pluto, Haumea, Makemake, and Eris. But the IAU says there may be many more ...
Dwarf planets are some of the few recently discovered objects that still receive proper names. Most newly discovered celestial objects simply receive a scientific designation or catalog number. The International Astronomical Union, the organization in charge of naming and cataloging astronomical objects allow the people who discovered the dwarf ...
Ceres is the only IAU-recognized dwarf planet that resides in the main asteroid belt. With a width of about 952 kilometers (592 miles), it is the most diminutive dwarf planet — more than 13 times smaller than Earth. Yet it is by far the largest asteroid, accounting for roughly a third of the mass in the asteroid belt.. Ceres probably has a solid core and icy mantle, on top of which lies a ...
Dwarf planets in order from the Sun. As given in the above table, Ceres is the closest dwarf planet in our solar system and it is also IAU-defined. The IAU-defined farthest dwarf planet is Eris which is located in the scattered disc with a distance of around 67.78 AU from the sun.. 1. Largest Dwarf Planet (Pluto) Pluto is the largest dwarf planet in our solar system with a diameter of ...
A dwarf planet is a small planetary-mass object that is in direct orbit around the Sun, ... Names for large subplanetary bodies include dwarf planet, planetoid (more general term), meso-planet (narrowly used for sizes between Mercury and Ceres), quasi-planet, and (in the transneptunian region) plutoid.
The category "dwarf planet" was created in 2006 to make room for the many large bodies being discovered on the outer reaches of the solar system. ... The moons share their names with two of the ...
Its discovery is one of the reasons for redefining planets and creating the “dwarf planet” classification. The name Makemake was inspired by the god of fertility of the Rapa Nui people. After Pluto, Makemake is the second-brightest object in the Kuiper belt. It lies around 46 AU from the Sun. Roughly 1,430 km (889 mi) across, this dwarf ...
Dwarf planets share many of the same characteristics as planets though there is one significant difference. The International Astronomical Union’s definition of a dwarf planet is: ... Name Diameter Distance from Sun Length of Year; Ceres: 950 km: 413,700,000 km: 4.6 Earth years: Pluto: 2,372 km: 5,874,000,000 km: 248.0 Earth years: Haumea ...
Dwarf planet, body, other than a natural satellite (moon), that orbits the Sun and that is, for practical purposes, smaller than the planet Mercury yet large enough for its own gravity to have rounded its shape substantially. Learn more about dwarf planets in this article. ... Dwarf planets name mean distance from Sun (AU) orbital period (years ...