Objects Encyclopedia Entry 1780082945
Summary: The 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. This fascinating object has garnered significant attention due to its unique characteristics and implications for our understanding of the solar system.
Overview
Located approximately 96 astronomical units (AU) from the Sun, 2007 OR10 is a small, icy world with a highly eccentric orbit. Discovered in 2007, this object was initially classified as a dwarf planet due to its size and orbital characteristics. 2007 OR10 has a diameter of approximately 1,460 kilometers (906 miles), making it slightly smaller than Pluto, which was reclassified as a dwarf planet in 2006. The surface temperature of 2007 OR10 is estimated to be around -233°C (-391°F), making it one of the coldest objects in the solar system.
History/Background
The Kuiper Belt is a vast region of icy bodies, asteroids, and other small celestial objects beyond Neptune's orbit. This region is thought to be a reservoir of small, icy bodies that were left over from the formation of the solar system. 2007 OR10 was discovered on July 17, 2007, by the Palomar Observatory in California, USA. The object was initially classified as a dwarf planet due to its size and orbital characteristics, which were similar to those of Pluto.
Key Information
2007 OR10 has a highly eccentric orbit, which takes it as close as 37 AU from the Sun and as far as 162 AU from the Sun. This orbit is unique compared to other dwarf planets in the Kuiper Belt, which have more circular orbits. The surface of 2007 OR10 is thought to be composed primarily of water ice, with a possible presence of darker organic material. The object's surface is also believed to be geologically inactive, with no signs of recent tectonic activity.
2007 OR10 has a highly reflective surface, with an albedo (reflectivity) of around 0.86. This is one of the highest albedos among all known dwarf planets, indicating a surface composed primarily of water ice. The object's size and orbital characteristics make it an interesting target for further study, as it provides insights into the formation and evolution of the solar system.
Significance
The discovery of 2007 OR10 has significant implications for our understanding of the solar system. The object's unique orbit and surface characteristics provide insights into the formation and evolution of the Kuiper Belt. 2007 OR10 is also an important target for further study, as it may provide clues about the presence of a possible Planet Nine, a hypothetical planet thought to be lurking in the outer reaches of the solar system.
INFOBOX:
- Name: 2007 OR10
- Type: Dwarf planet
- Date: July 17, 2007
- Location: Kuiper Belt
- Known For: Highly eccentric orbit and reflective surface
TAGS: Kuiper Belt, Dwarf planet, Eris, Pluto, Kuiper Belt Object, Astronomy, Space exploration, Solar system, Planetary science
