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Objects Encyclopedia Entry 1781852045

** The **Kuiper Belt Object (KBO) 2007 OR10** is a small, icy celestial body located in the outer reaches of the **Solar System**, providing valuable insights into the formation and evolution of our cosmic neighborhood. ## Overview Deep within the **Kuiper Belt**, a vast region of icy bodies and small celestial objects beyond the orbit of **Neptune**, lies the **Kuiper Belt Object (KBO) 2007 OR10**. This enigmatic world is a prime example of the diverse and fascinating objects that inhabit the outer reaches of our **Solar System**. With a highly eccentric orbit, **2007 OR10** takes approximately 651 years to complete one rotation around the **Sun**, making it one of the most distant and mysterious objects in our cosmic neighborhood. ## History/Background The discovery of **2007 OR10** dates back to July 2007, when astronomers using the **Palomar Observatory** in California detected the object as part of a survey to identify **Kuiper Belt Objects**. Initially classified as a **Kuiper Belt Object**, further observations revealed that **2007 OR10** possessed a highly eccentric orbit, which set it apart from other **KBOs**. This unique characteristic led researchers to reclassify **2007 OR10** as a **Trans-Neptunian Object (TNO)**, a category that includes objects with orbits that extend beyond the orbit of **Neptune**. ## Key Information **2007 OR10** is a small, icy world with a diameter estimated to be around 710 kilometers (440 miles). Its surface is composed primarily of water ice, with possible presence of darker organic material. The object's highly eccentric orbit takes it as close as 28 astronomical units (AU) from the **Sun** and as far as 49 AU from the **Sun**, with an average distance of approximately 38 AU. This extreme variation in distance results in significant changes in **2007 OR10**'s temperature, ranging from -233°C to -173°C (-391°F to -279°F). ## Significance The discovery and study of **2007 OR10** have provided valuable insights into the formation and evolution of our **Solar System**. The object's highly eccentric orbit suggests that it may have originated from a region closer to the **Sun**, where temperatures were warmer and more conducive to the formation of complex organic molecules. The presence of these molecules on **2007 OR10**'s surface may have implications for the origins of life in our **Solar System**. INFOBOX: - **Name:** 2007 OR10 - **Type:** Trans-Neptunian Object (TNO) - **Date:** Discovered in July 2007 - **Location:** Kuiper Belt - **Known For:** Highly eccentric orbit and possible presence of complex organic molecules TAGS: **Kuiper Belt Object**, **Trans-Neptunian Object**, **Solar System**, **Astronomy**, **Astrophysics**, **Space Exploration**, **Kuiper Belt**, **Eccentric Orbit**, **Organic Molecules**