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Objects Encyclopedia Entry 1783201866

** The **Kuiper Belt Object (KBO) 2007 OR10** is a trans-Neptunian object discovered in 2007, providing valuable insights into the formation and evolution of our solar system. ## Overview The **Kuiper Belt** is a region of our solar system extending from the orbit of Neptune to a distance of about 55 astronomical units (AU) from the Sun. It is a reservoir of small, icy bodies, including dwarf planets like Pluto and Eris. The **Kuiper Belt Object (KBO) 2007 OR10** is one of the many objects discovered within this region, offering scientists a unique opportunity to study the composition and properties of these enigmatic worlds. Located in the outer reaches of the solar system, **2007 OR10** is a small, icy body with a highly eccentric orbit. Its discovery in 2007 by astronomers using the Palomar Observatory in California marked a significant milestone in the exploration of the Kuiper Belt. Since then, numerous studies have been conducted to determine the object's size, shape, and composition. ## History/Background The discovery of **2007 OR10** was announced on August 21, 2007, by a team of astronomers led by Mike Brown from the California Institute of Technology. The object was initially detected using the Palomar Observatory's 1.2-meter telescope, and subsequent observations confirmed its existence and orbital characteristics. The name **2007 OR10** is derived from the object's discovery date and the designation of the Minor Planet Center. ## Key Information **2007 OR10** is a small KBO with a diameter estimated to be around 615 kilometers (382 miles). Its highly eccentric orbit takes it from a perihelion (closest point to the Sun) of 29.7 AU to an aphelion (farthest point from the Sun) of 48.3 AU. This unique orbit suggests that **2007 OR10** may have originated from the Kuiper Belt's inner regions, where the gravitational influence of Neptune is weaker. Studies of **2007 OR10** have revealed a surface composed primarily of water ice, with possible indications of darker organic material. The object's low albedo (reflectivity) suggests that it may have a surface covered with a layer of tholins, complex organic molecules formed through the interaction of sunlight and methane. ## Significance The discovery of **2007 OR10** has significant implications for our understanding of the Kuiper Belt and the formation of our solar system. The object's highly eccentric orbit and surface composition provide valuable insights into the processes that shaped the outer reaches of the solar system. Furthermore, **2007 OR10** serves as a reminder of the vast number of unknown objects in the Kuiper Belt, waiting to be discovered and studied. INFOBOX: - Name: **Kuiper Belt Object (KBO) 2007 OR10** - Type: **Trans-Neptunian Object** - Date: **Discovered on August 21, 2007** - Location: **Kuiper Belt** - Known For: **Highly eccentric orbit and surface composition** TAGS: **Kuiper Belt, Trans-Neptunian Object, Dwarf Planet, Icy Body, Water Ice, Tholins, Organic Material, Solar System Formation, Outer Solar System**