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Objects Encyclopedia Entry 1782043625

** The **Kuiper Belt Object (KBO) 2007 OR10** is a trans-Neptunian object discovered in 2007, classified as a dwarf planet candidate and a member of the Kuiper Belt, a region of icy bodies beyond Neptune's orbit. **CONTENT:** ### Overview The **Kuiper Belt Object (KBO) 2007 OR10** is a fascinating celestial body located in the outer reaches of our solar system. This object was discovered on July 17, 2007, by the Palomar Observatory's 1.2-meter Oschin Schmidt Telescope, as part of the Palomar-Quest Survey. The discovery of 2007 OR10 marked a significant milestone in the exploration of the Kuiper Belt, a region of icy bodies and other small celestial objects that extends from the orbit of Neptune to a distance of about 55 astronomical units (AU) from the Sun. ### History/Background The Kuiper Belt is a vast, disk-shaped region of icy bodies, rocky objects, and other small celestial objects that surrounds our solar system. This region is thought to be a reservoir of small bodies that were left over from the formation of the solar system. The Kuiper Belt is named after Dutch-American astronomer Gerard Kuiper, who first proposed its existence in the 1950s. The discovery of 2007 OR10 was made possible by the Palomar-Quest Survey, a project aimed at mapping the sky in the near-infrared region of the electromagnetic spectrum. ### Key Information 2007 OR10 is a dwarf planet candidate, with a diameter estimated to be around 645 kilometers (400 miles). This object is thought to be a member of the Haumea family, a group of KBOs with similar orbital and physical characteristics. 2007 OR10 has a highly eccentric orbit, which takes it from a distance of about 38 AU from the Sun to a perihelion of about 29 AU. The object's surface is likely composed of water ice mixed with darker organic material, which gives it a reddish hue. ### Significance The discovery of 2007 OR10 has significant implications for our understanding of the Kuiper Belt and the formation of our solar system. This object provides valuable insights into the composition and evolution of the outer reaches of our solar system. The study of KBOs like 2007 OR10 can also help us better understand the origins of short-period comets, which are thought to originate from the Kuiper Belt. Furthermore, the discovery of 2007 OR10 highlights the importance of continued exploration and mapping of the Kuiper Belt, which may reveal new insights into the formation and evolution of our solar system. **INFOBOX:** - **Name:** 2007 OR10 - **Type:** Kuiper Belt Object (KBO) - **Date:** July 17, 2007 - **Location:** Kuiper Belt - **Known For:** Dwarf planet candidate and member of the Haumea family **TAGS:** Kuiper Belt, Dwarf Planet, Trans-Neptunian Object, Haumea Family, Water Ice, Organic Material, Short-Period Comets, Solar System Formation, Outer Solar System Exploration.