Objects Encyclopedia Entry 1778334967
Summary: Kuiper Belt Object (KBO) 2007 OR10, also known as Eris' cousin, is a dwarf planet located in the Kuiper Belt, a region of icy bodies beyond Neptune's orbit.
Overview
Kuiper Belt Object (KBO) 2007 OR10, informally known as Eris' cousin, is a dwarf planet discovered in 2007 by astronomers at the Palomar Observatory in California. This Kuiper Belt Object (KBO) is a fascinating celestial body that has contributed significantly to our understanding of the solar system's outer reaches. The discovery of 2007 OR10 has shed light on the dwarf planet population in the Kuiper Belt, a region of icy bodies beyond Neptune's orbit.
2007 OR10 is a dwarf planet with a highly eccentric orbit, which takes it as close as 28 astronomical units (AU) from the Sun and as far as 95 AU from the Sun. One astronomical unit is the average distance between the Earth and the Sun. The dwarf planet has a highly inclined orbit, which means it is tilted at an angle of about 44 degrees relative to the Earth's orbit. This unique orbit makes 2007 OR10 an interesting target for astronomers studying the Kuiper Belt and its inhabitants.
History/Background
The discovery of 2007 OR10 was announced on August 18, 2007, by a team of astronomers led by Michael Brown from the California Institute of Technology (Caltech). The discovery was made using the Palomar Observatory's 1.2-meter Sloan Digital Sky Survey (SDSS) telescope. The team used a technique called astrometry, which involves measuring the position and motion of celestial objects over time to determine their orbits.
The discovery of 2007 OR10 was significant because it provided evidence for the existence of a large population of dwarf planets in the Kuiper Belt. Prior to this discovery, the Kuiper Belt was thought to be a region of small, icy bodies, but the discovery of 2007 OR10 showed that there were larger objects present in the region.
Key Information
2007 OR10 is a dwarf planet with a diameter of approximately 1,100 kilometers (683 miles). Its surface is thought to be composed primarily of water ice, with a possible layer of darker material on top. The dwarf planet has a highly reflective surface, which suggests that it may be covered in ice.
2007 OR10 has a highly eccentric orbit, which takes it as close as 28 AU from the Sun and as far as 95 AU from the Sun. This means that the dwarf planet experiences extreme variations in temperature and brightness as it orbits the Sun.
Significance
The discovery of 2007 OR10 has significant implications for our understanding of the solar system's outer reaches. The Kuiper Belt is thought to be a reservoir for short-period comets, which are icy bodies that originate from the Kuiper Belt and are perturbed into orbits that bring them closer to the Sun. The discovery of 2007 OR10 provides evidence for the existence of a large population of dwarf planets in the Kuiper Belt, which suggests that there may be many more objects like 2007 OR10 waiting to be discovered.
INFOBOX:
- Name: 2007 OR10 (Kuiper Belt Object)
- Type: Dwarf planet
- Date: August 18, 2007
- Location: Kuiper Belt
- Known For: Discovery of a large population of dwarf planets in the Kuiper Belt
TAGS: Kuiper Belt, Dwarf Planet, Astronomy, Space Exploration, Solar System, KBO, Eris, Palomar Observatory, California Institute of Technology (Caltech)
