Objects Encyclopedia Entry 1782103206
Summary: The Kuiper Belt Object (KBO) 2007 OR10, also known as Eris' cousin, is a large, icy dwarf planet located in the Kuiper Belt, a region of the solar system beyond the orbital path of Neptune.
Overview
The Kuiper Belt Object (KBO) 2007 OR10, or simply 2007 OR10, is a mysterious and fascinating world that has captivated astronomers and space enthusiasts alike. This dwarf planet is a member of the Kuiper Belt, a vast, ring-shaped region of icy bodies and other small celestial objects that surrounds the solar system. With its highly eccentric orbit, 2007 OR10 is one of the most distant and unusual objects in the Kuiper Belt.
Located approximately 96 astronomical units (AU) from the Sun, 2007 OR10 is a trans-Neptunian object that has a highly inclined orbital plane. This means that its path around the Sun is tilted at an angle of about 29 degrees relative to the ecliptic, the plane of the solar system. This unusual orbital configuration makes 2007 OR10 a challenging object to study, as its position and motion are difficult to predict.
History/Background
The discovery of 2007 OR10 was announced on August 5, 2007, by a team of astronomers led by Mike Brown of the California Institute of Technology. The object was detected using the Palomar Observatory in California, and its orbital parameters were later refined using data from the Hubble Space Telescope. Initially, 2007 OR10 was thought to be a Kuiper Belt Object with a diameter of approximately 1,000 kilometers (620 miles). However, subsequent observations revealed that it is actually a dwarf planet with a diameter of about 1,100 kilometers (680 miles).
Key Information
* Diameter: approximately 1,100 kilometers (680 miles)
* Mass: estimated to be around 1.5% of the mass of the dwarf planet Pluto
* Orbital period: approximately 557 Earth years
* Orbital eccentricity: 0.22, indicating a highly elliptical orbit
* Surface temperature: estimated to be around -230°C (-382°F)
* Composition: primarily composed of water ice, with possible presence of darker organic material
Significance
The discovery of 2007 OR10 has significant implications for our understanding of the solar system and the Kuiper Belt. As a dwarf planet, 2007 OR10 is a member of a new class of objects that are distinct from planets and asteroids. Its highly eccentric orbit and unusual orbital configuration make it an important target for further study, as it may provide insights into the formation and evolution of the solar system.
INFOBOX:
- Name: 2007 OR10
- Type: Kuiper Belt Object (KBO) / Dwarf Planet
- Date: August 5, 2007 (discovery announced)
- Location: Kuiper Belt, trans-Neptunian region
- Known For: Highly eccentric orbit and unusual orbital configuration
TAGS: Kuiper Belt, Dwarf Planet, Trans-Neptunian Object, Icy Body, Solar System, Asteroid, Planet, Space Exploration, Astronomy
