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...

The number of dwarf planets in the Solar System is unknown. Estimates have run as high as 200 in the Kuiper belt and over 10,000 in the region beyond...

Look up sedna in Wiktionary, the free dictionary. Sedna may refer to: Sedna (mythology), the Inuit goddess of the sea Sedna (dwarf planet), a trans-Neptunian...

Gonggong (minor-planet designation: 225088 Gonggong) is a dwarf planet and a member of the scattered disc beyond Neptune. It has a highly eccentric and...

largest candidates are dwarf planets – in rough order of size, Pluto, Eris, Haumea, Makemake, Gonggong, Quaoar, Ceres, Orcus, and Sedna. Considerable uncertainty...

the discovery of several other large TNOs, including the dwarf planets Quaoar, Orcus, and Sedna. Routine observations were taken by the team on October...

and the giant planets have numerous moons in complex planetary-type systems. Except for Ceres and Sedna, all the consensus dwarf planets are known to have...

which means it may be large enough to be a dwarf planet. It is expected to be about half the size of Sedna and similar in size to Huya. Its surface is...

Jupiter-family comets cluster near its orbit. The discovery of Sedna, a dwarf planet with a highly peculiar orbit in 2004, led to speculation that it...

Solar System has at least nine dwarf planets: Ceres, Orcus, Pluto, Haumea, Quaoar, Makemake, Gonggong, Eris, and Sedna. There are a vast number of small...

Orcus (minor-planet designation: 90482 Orcus) is a dwarf planet located in the Kuiper belt, with one large moon, Vanth. It has an estimated diameter of...

If Sedna had been pulled into its orbit by a trans-Neptunian planet, any other objects found in its region would have a similar perihelion to Sedna (around...

had hitherto been considered a planet) is classified as a dwarf planet. According to the IAU, "planets and dwarf planets are two distinct classes of objects"...

World". Mike Brown's Planets. Archived from the original on May 9, 2013. Retrieved June 7, 2009. "Ask an Astrobiologist: Nibiru/Sedna". Ask an Astrobiologist...

suggests that Sedna, Gonggong, and Quaoar underwent internal melting, differentiation, and chemical evolution, like the larger dwarf planets Pluto, Eris...

and Triton; and also most of the known dwarf planets, such as Pluto, Orcus, Haumea, Makemake, Quaoar, Sedna, Gonggong, and Eris. In June 2020, NASA scientists...

objects and dwarf planets. The catalog consists of hundreds of pages, each containing 1,000 minor planets. Every year, the Minor Planet Center, which...

actually been demonstrated to be dwarf planets. Astronomers normally include these five, as well as four more: Quaoar, Sedna, Orcus, and Gonggong. Many critics...

parent planet as I (Ariel), II (Umbriel), III (Titania), and IV (Oberon), and this finally stuck. At the time of Neptune's discovery, dwarf planet Ceres...

officially used the term minor planet, but that year's meeting reclassified minor planets and comets into dwarf planets and small Solar System bodies (SSSBs)...

moon Triton is considered possible as well. Mysterious fault lines on dwarf planet Pluto may suggest that it has a hidden subsurface ocean. Lava lakes are...

and Λ = 1 (where the body would change from being a planet to being a dwarf planet). The mass of Sedna is not known; it is very roughly estimated here as...

Haumea (minor-planet designation: 136108 Haumea) is a dwarf planet located beyond Neptune's orbit. It was discovered in 2004 by a team headed by Mike Brown...

"New Planets". Richard Brown. Astrology. "Sedna, Eris, Haumea, Quaoar, Makemake, 2002 TC302, Orcus, and others". AstroTransits.blogspot.com. New dwarf planets...

lists of planets. A planet is a large, rounded astronomical body that is neither a star nor its remnant. The best available theory of planet formation...

dwarf planet Dysnomia (84522) 2002 TC302 (87269) 2000 OO67 V774104 Detached objects 2004 XR190 2012 VP113 (possibly inner Oort cloud) Sedna, a dwarf planet...

A classical planet is an astronomical object that is visible to the naked eye and moves across the sky and its backdrop of fixed stars (the common stars...

used astronomically for Pluto as a dwarf planet. In the early 21st century, symbols for the trans-Neptunian dwarf planets have come into use, particularly...

is, in the most common usage, an astronomical body that orbits a planet, dwarf planet, or small Solar System body (or sometimes another natural satellite)...

the dwarf planets Pluto and, to a lesser extent, Ceres, Eris, Makemake,: 8  Sedna, Gonggong, and Quaoar.: 8  In the case of Pluto and the other dwarf planets...