WebOct 31, 2024 · Sedna 90377 Sedna is a trans-Neptunian object discovered in 2003 by Chad Trujillo, Michael E. Brown, and David Rabinowitz. It was named after the Inuit goddess Sedna. ... 136199 Eris is a dwarf planet discovered in 2003 by Chad Trujillo, Michael E. Brown, and David Rabinowitz. It was named after the Greek goddess Eris, who is also … WebNow, Eris and Sedna have overtaken Quaoar for the honor of being the largest. The newfound planetoid Orcus is the 15th object larger than 300 miles in diameter to have been found in the Kuiper Belt. Sedna is the 16th. In fact, some 800 objects have been spotted in the outer Solar System since 1992. Five of those could be larger than 600 miles ...
Eris (dwarf planet) - Wikipedia
WebSedna is the outermost TNO in the Solar System orbiting a distance from the Sun 5 times further than Pluto and Eris. Sedna is famous for it's eccentric orbit. It goes as close as 76 AU and as far as 718 AU. In 2114 … WebMar 31, 2024 · The team announced the name "Sedna" before the object had been numbered, which was not proper protocol for the International … ity of chicago.org
Eris and Sedna Symbols - Unicode
Eris (minor-planet designation 136199 Eris) is the most massive and second-largest known dwarf planet in the Solar System. It is a trans-Neptunian object (TNO) in the scattered disk and has a high-eccentricity orbit. Eris was discovered in January 2005 by a Palomar Observatory–based team led by Mike … See more Eris was discovered by the team of Mike Brown, Chad Trujillo, and David Rabinowitz on January 5, 2005, from images taken on October 21, 2003. The discovery was announced on July 29, 2005, the same day as See more Eris is a trans-Neptunian dwarf planet (plutoid). Its orbital characteristics more specifically categorize it as a scattered-disk object (SDO), … See more Eris has an orbital period of 559 years. Its maximum possible distance from the Sun (aphelion) is 97.5 AU, and its closest (perihelion) is 38 AU. As the time of perihelion is defined at the epoch chosen using an unperturbed two-body solution, the further the … See more In November 2010, Eris was the subject of one of the most distant stellar occultations yet from Earth. Preliminary data from this event cast doubt on … See more Eris is named after the Greek goddess Eris (Greek Ἔρις), a personification of strife and discord. The name was proposed by the Caltech team on September 6, 2006, and it was assigned … See more Eris displays very little variation in brightness as it rotates due to its uniform surface, making measurement of its rotation period difficult. … See more The discovery team followed up their initial identification of Eris with spectroscopic observations made at the 8 m Gemini North Telescope in Hawaii on January 25, 2005. Infrared light from the object revealed the presence of methane ice, indicating that the … See more WebMay 18, 2014 · Sedna, the astronomical object 90377 Sedna is a strong candidate, but is not officially a dwarf planet.The currently classified dwarf planets are Ceres (asteroid), Pluto, Eris, Makemake, and ... netherlands in the map