90377 Sedna - Wikipedia
WebSedna (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.
The Dwarf Planet Sedna: Discovery and Facts - ThoughtCo
WebUpdated on January 22, 2020. Way past the orbit of Pluto, there's an object orbiting the Sun in a highly eccentric orbit. The object's name is Sedna and it's probably a dwarf planet. Here's what we know about Sedna so far.
Sedna | Trans-Neptunian Object, Dwarf Planet & Kuiper Belt
WebSedna, small body in the outer solar system that may be the first discovered object from the Oort cloud. Sedna was discovered in 2003 by a team of American astronomers at Palomar Observatory on Mount Palomar, California. At that time, it was the most distant object in the solar system that had ever.
Sedna Is So Distant, We're Not Even Sure It's a Dwarf Planet
WebJun 14, 2023 · Way out past the distant orbit of dwarf planet Pluto, Sedna revolves around the sun in a highly eccentric and elongated orbit and while it has the necessary characteristics, scientists can't definitively call it a dwarf planet yet.
The Dwarf Planet Sedna - Universe Today
WebAug 10, 2015 · Sedna, which was discovered in the outer reaches of the Solar System in 2003, is most likely a dwarf planet. And as the furthest known object from the Sun, and located within the hypothetical...
Sedna Facts - The Planets
WebClassification. Sedna is categorized as a minor planet since its orbit takes it directly around the sun. The distant world is up for consideration as a dwarf planet, however for this to happen, scientists would have to prove that the planetoid is in hydrostatic equilibrium.
Sedna: Possible Dwarf Planet Far From the Sun | Space
WebApr 30, 2014 · Sedna is a solar system body that is one of the most distant bodies found in our solar system. The object's closest approach to the sun is far greater than Pluto's distance away from Earth — at a...
Kuiper Belt: In Depth - NASA Science
WebNov 30, 2017 · The object (2003VB12), since named Sedna for an Inuit goddess who lives at the bottom of the frigid Arctic ocean, approaches the sun only briefly during its 10,500-year solar orbit. It never enters the Kuiper Belt, whose outer boundary region lies at about 55 AU -- instead, Sedna travels in a long, elliptical orbit between 76 and nearly 1,000 ...
2029 will be the perfect year to launch a mission to Sedna - Phys.org
WebJan 5, 2022 · Sedna was discovered in 2003 by Caltech astronomer Mike Brown and his team, and was one of a series of potential dwarf planets (alongside similar-sized bodies like Haumea, Makemake, and Eris)...
Sedna Discovery Image - NASA Jet Propulsion Laboratory (JPL)
WebMar 15, 2004 · Sedna Discovery Image. These three panels show the first detection of the faint distant object dubbed "Sedna." Imaged on November 14th from 6:32 to 9:38 Universal Time, Sedna was identified by the slight shift in position noted in these three pictures taken at different times. Subsequent observations at longer time intervals provided the ...
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