Astronomy notes / Plutoid / Dwarf Planet

 Astronomy notes / Plutoid / Dwarf Planet



 Astronomy notes / Plutoid / Dwarf Planet


PLUTOID

·         Any dwarf planet that orbits beyond the orbit of Neptune

·         2 known objects fall into this subcategory: Pluto & Eris

·         Pluto was defined by the International Astronomical Union’s Committee on Small Body Nomenclature in June 2008

·         Dwarf planets are objects that “have sufficient mass for their self-gravity to overcome rigid body forces so that they assume a hydrostatic equilibrium shape, and that have not cleared”. – Definition by IAU

·         Plutoid has an orbit that takes it further from the Sun than Neptune


 Astronomy notes / Plutoid / Dwarf Planet

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