Objects Encyclopedia Entry 1779074164
Summary: The Kuiper Belt Object (KBO) 2007 OR10 is a small, icy world located in the outer reaches of the Solar System.
Overview
Deep within the Kuiper Belt, a region of icy bodies and small celestial objects beyond the orbit of Neptune, lies the fascinating world of 2007 OR10. This Kuiper Belt Object (KBO) was discovered on July 17, 2007, by astronomers at the Palomar Observatory in California. 2007 OR10 is one of the many mysterious worlds that inhabit the Kuiper Belt, a reservoir of small, icy bodies that are remnants from the formation of the Solar System.
2007 OR10 is a small, icy world with a diameter of approximately 710 kilometers (440 miles). Its surface is likely composed of frozen water, methane, and ammonia ices, which are common constituents of Kuiper Belt Objects. The object's highly eccentric orbit takes it from a distance of about 43 astronomical units (AU) from the Sun to a perihelion (closest point to the Sun) of about 29 AU. This unusual orbit suggests that 2007 OR10 may have been perturbed by the gravitational influence of the giant planets in the Solar System.
History/Background
The discovery of 2007 OR10 was made possible by the Palomar Observatory's Sloan Digital Sky Survey (SDSS), a comprehensive survey of the Sky that aimed to map the distribution of galaxies and stars in the universe. The object was initially detected as a faint, moving point of light in the Sky, and subsequent observations confirmed its status as a new Kuiper Belt Object. The discovery of 2007 OR10 was announced on July 19, 2007, and the object has since been studied extensively using a variety of telescopes and spacecraft.
Key Information
* Orbital Period: 288 years
* Diameter: approximately 710 kilometers (440 miles)
* Surface Composition: likely composed of frozen water, methane, and ammonia ices
* Orbital Eccentricity: 0.24
* Perihelion: 29 astronomical units (AU) from the Sun
* Aphelion: 43 astronomical units (AU) from the Sun
Significance
The discovery of 2007 OR10 has provided valuable insights into the formation and evolution of the Solar System. The object's highly eccentric orbit suggests that it may have been perturbed by the gravitational influence of the giant planets in the Solar System, which could have played a crucial role in shaping the Kuiper Belt. The study of 2007 OR10 and other Kuiper Belt Objects has also helped scientists better understand the origins of short-period Comets, which are thought to originate from the Kuiper Belt.
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: Highly eccentric orbit and potential origins of short-period Comets
TAGS: Kuiper Belt, Kuiper Belt Object (KBO), Solar System, Palomar Observatory, Sloan Digital Sky Survey (SDSS), Comets, Astronomy, Space Exploration
