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Sedna (minor-planet designation: 90377 Sedna) is a dwarf planet in the outermost reaches of the Solar System, orbiting the Sun beyond the orbit of Neptune. Discovered in 2003, the planetoid's surface is one of the reddest known among Solar System bodies.
Sedna's full orbit is illustrated in the third panel along with the object's location in 2004, nearing its closest approach to the Sun. The final panel zooms out much farther, showing that even this large elliptical orbit falls inside what was previously thought to be the inner edge of the spherical Oort cloud : a distribution of cold, icy ...
90377 Sedna; Usage on fr.wikipedia.org (90377) Sedna; Usage on ga.wikipedia.org 90377 Sedna; Usage on gl.wikipedia.org Sedna; Usage on hi.wikipedia.org ९०३७७ सेडना; Usage on hr.wikipedia.org Jan Hendrik Oort; Usage on id.wikipedia.org 90377 Sedna; Usage on it.wikipedia.org Oggetti del sistema solare più lontani dal Sole
Toggle 90377 Sedna subsection. 1.1 Iridia. 1.2 Sasata. Toggle the table of contents. Wikipedia: Featured article candidates/90377 Sedna/archive1. Add languages.
The first sentence of the article states directly "Sedna (minor-planet designation 90377 Sedna) is a dwarf planet " but the classification section states that the official classification body considers it to be a "scattered object", but also says that some consider it a new class of object, and that it is also expected to meet the requirements ...
541132 Leleākūhonua (/ ˌ l ɛ l eɪ ɑː ˌ k uː h oʊ ˈ n uː ə /) (provisional designation 2015 TG 387) is an extreme trans-Neptunian object and sednoid in the outermost part of the Solar System.
The Oschin Telescope was responsible for the discovery of 90377 Sedna on 2003-11-14 and Eris, the "10th Planet" on 2005-01-05 from images taken 2003-10-21. The peculiar Type Ia supernova SN 2002cx was discovered with the Oschin telescope on 2002-05-12, 21 UT. [7]
90377 Sedna: 2.66 [69] 483 in 11796 days C/2010 X1 (Elenin) 2.96: ... very deep stacked images were taken at the Very Large Telescope later the same day, ...