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The name was proposed by the Caltech team on September 6, 2006, and it was assigned on September 13, 2006, [35] following an unusually long period in which the object was known by the provisional designation 2003 UB 313, which was granted automatically by the IAU under their naming protocols for minor planets. The name Eris has two competing ...
Indeed, the draft of Resolution 5A had called these median bodies planetoids, [32] [33] but the plenary session voted unanimously to change the name to dwarf planet. [2] The second resolution, 5B, defined dwarf planets as a subtype of planet, as Stern had originally intended, distinguished from the other eight that were to be called "classical ...
The number of dwarf planets in the Solar System is unknown. Estimates have run as high as 200 in the Kuiper belt [1] and over 10,000 in the region beyond. [2] However, consideration of the surprisingly low densities of many large trans-Neptunian objects, as well as spectroscopic analysis of their surfaces, suggests that the number of dwarf planets may be much lower, perhaps only nine among ...
Quaoar (minor-planet designation: 50000 Quaoar) is a ringed dwarf planet in the Kuiper belt, a region of icy planetesimals beyond Neptune.It has an elongated ellipsoidal shape with an average diameter of 1,090 km (680 mi), about half the size of the dwarf planet Pluto.
Pluto, a dwarf planet, has five moons. Its largest moon Charon, named after the ferryman who took souls across the River Styx, is more than half as large as Pluto itself, and large enough to orbit a point outside Pluto's surface. In effect, each orbits the other, forming a binary system informally referred to as a double-dwarf-planet.
The dwarf planet is also the prototype of a new orbit class of objects named after itself, the sednoids, which include 2012 VP 113 and Leleākūhonua, all celestial bodies with large perihelion distances and extremely elongated orbits.
By RYAN GORMAN Scientists may have found Planet X -- the long-rumored object believed to be larger than Earth and further from the sun than Pluto. Planet X and another object dubbed "Planet Y ...
The concept of human exploration of dwarf planets has intrigued scientists since Pluto's discovery in 1930. Despite the vast distances and significant challenges, advancements in space technology could make such endeavors possible. Colonizing dwarf planets offers potential economic benefits due to the presence of rare and valuable ores. [23]