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Objects Encyclopedia Entry 1779191885

** The **Kuiper Belt Object (KBO)** 2007 OR10 is a small, icy body located in the outer reaches of the **Solar System**, providing valuable insights into the formation and evolution of our cosmic neighborhood. ## Overview Located in the **Kuiper Belt**, a region of icy bodies and other small celestial objects beyond the **Orbital Zone** of the **Outer Planets**, 2007 OR10 is one of the many **Kuiper Belt Objects (KBOs)** discovered to date. This small, icy world is estimated to be approximately 620 kilometers in diameter, making it one of the larger KBOs. 2007 OR10's discovery in 2007 by astronomers using the **Palomar Observatory** in California marked a significant milestone in the exploration of the outer reaches of the **Solar System**. ## History/Background The **Kuiper Belt** was first proposed by **Gerald Kuiper** in the 1950s as a region of icy bodies beyond the **Orbital Zone** of the **Outer Planets**. However, it wasn't until the 1990s that the first KBOs were discovered, with the most notable being **Quaoar** in 2002. The discovery of 2007 OR10 in 2007 was made possible by the use of advanced **Survey Telescopes**, which allowed astronomers to detect small, faint objects in the outer reaches of the **Solar System**. Since its discovery, 2007 OR10 has been the subject of extensive study, providing valuable insights into the formation and evolution of our cosmic neighborhood. ## Key Information **Physical Characteristics:** 2007 OR10 is estimated to be approximately 620 kilometers in diameter, making it one of the larger KBOs. Its surface is thought to be composed primarily of water ice, with a possible layer of darker organic material. The object's **Albedo** (reflectivity) is estimated to be around 0.08, indicating a very dark surface. **Orbital Characteristics:** 2007 OR10 orbits the **Sun** at an average distance of approximately 43.5 astronomical units (AU), with an orbital period of around 305 years. Its highly eccentric orbit takes it as close as 38.5 AU and as far as 48.5 AU from the **Sun**. **Composition:** 2007 OR10 is thought to be a **Primordial Body**, formed during the early days of the **Solar System**. Its surface composition is likely to be similar to that of other KBOs, with a mixture of water ice and darker organic material. ## Significance The discovery of 2007 OR10 and other KBOs has provided valuable insights into the formation and evolution of our cosmic neighborhood. The study of these objects has helped astronomers to better understand the processes that shaped the **Solar System**, including the formation of the **Kuiper Belt** and the migration of the **Outer Planets**. Furthermore, the study of KBOs has implications for the search for **Exoplanets** and the potential for life beyond our **Solar System**. INFOBOX: - Name: 2007 OR10 - Type: **Kuiper Belt Object (KBO)** - Date: Discovered in 2007 - Location: **Kuiper Belt** - Known For: One of the larger KBOs, providing valuable insights into the formation and evolution of the **Solar System** TAGS: **Kuiper Belt Object (KBO)**, **Solar System**, **Outer Planets**, **Kuiper Belt**, **Primordial Body**, **Survey Telescopes**, **Albedo**, **Orbital Zone**, **Exoplanets**