What is 120347 Salacia?
[[File:Salacia and Actaea Keck-NIRC2.jpg|right|thumb|Salacia and its moon Actaea, imaged by the Keck Telescope in 2010]] '''120347 Salacia''' (symbol [[file:Salacia symbol (bold).svg|16px]]) is a [[trans-Neptunian object]] in the Kuiper belt. It is approximately 920 kilometers in [[diameter]]. As of 2018, it is found about 44.8 [[astronomical unit]]s from the [[Sun]]. == Discovery == Salacia was discovered on 22 September 2004, by American astronomers Henry Roe, Michael Brown and Kristina Barkume at the [[Palomar Observatory]] in [[California]], [[United States]]. It was named after the Roman goddess Salacia. It has one known moon, [[Actaea]].<ref>{{Cite web|title=IAU Minor Planet Center|url=https://www.minorplanetcenter.net/db_search/show_object?object_id=120347|access-date=2020-12-04|website=www.minorplanetcenter.net}}</ref> == Physical characteristics == It has an average density of 1.51 g/cm<sup>3</sup>. Salacia is estimated to be around 846 km in diameter. Salacia has the lowest [[albedo]] of any known large trans-Neptunian object. == References == {{Reflist}} {{Science-stub}} [[Category:Kuiper belt objects]]