Objects Encyclopedia Entry 1777392609: The Kuiper Belt Object (KBO) 2007 OR10
SUMMARY: 2007 OR10 is a Kuiper Belt Object (KBO), a type of dwarf planet located in the outer reaches of the Solar System.
Overview
The Kuiper Belt is a region of the Solar System that contains a large number of small, icy bodies, including Kuiper Belt Objects (KBOs). These objects are remnants from the formation of the Solar System, and are thought to be the building blocks of the planets. 2007 OR10 is one of the many KBOs discovered in recent years, and is of particular interest due to its unique composition and orbital characteristics.
2007 OR10 was discovered on July 17, 2007, by the Palomar Observatory in California, USA. The object was initially thought to be a main-belt asteroid, but further observations revealed that it was actually a KBO. Since its discovery, 2007 OR10 has been the subject of extensive study, including observations by the Hubble Space Telescope and the Spitzer Space Telescope.
History/Background
The Kuiper Belt was first proposed by Kersten Gottfried Ludwig Kuiper in 1951, and was later confirmed by the discovery of the first KBO, 1992 QB1, in 1992. Since then, hundreds of KBOs have been discovered, including 2007 OR10. The discovery of these objects has provided valuable insights into the formation and evolution of the Solar System, and has raised questions about the possibility of other dwarf planets in the outer reaches of the system.
Key Information
2007 OR10 is a Kuiper Belt Object (KBO) that orbits the Sun at a distance of approximately 45 astronomical units (AU). One AU is the average distance between the Earth and the Sun, so 2007 OR10 is about 45 times farther away from the Sun than the Earth. The object has a diameter of approximately 600 kilometers (373 miles), making it one of the larger KBOs discovered to date.
2007 OR10 is thought to be composed primarily of water ice, with a possible rocky core at its center. The object's surface is likely to be very cold, with temperatures ranging from -233°C to -173°C (-391°F to -279°F). The object's orbital characteristics are also of interest, as it has a highly eccentric orbit that takes it as close as 35 AU and as far as 55 AU from the Sun.
Significance
The discovery of 2007 OR10 and other KBOs has significant implications for our understanding of the Solar System. These objects are thought to be the remnants of the Solar Nebula, the cloud of gas and dust that formed the planets. By studying these objects, scientists can gain insights into the formation and evolution of the Solar System, and may even discover new dwarf planets in the outer reaches of the system.
INFOBOX:
- Name: 2007 OR10
- Type: Kuiper Belt Object (KBO)
- Date: July 17, 2007 (discovery)
- Location: Kuiper Belt, outer reaches of the Solar System
- Known For: Unique composition and orbital characteristics
TAGS: Kuiper Belt Object (KBO), dwarf planet, Solar System, Kuiper Belt, water ice, rocky core, orbital characteristics, asteroid, main-belt asteroid, Hubble Space Telescope, Spitzer Space Telescope