Search results
Results from the WOW.Com Content Network
The Kuiper belt (/ ˈ k aɪ p ər / ⓘ KY-pər) [1] is a circumstellar disc in the outer Solar System, extending from the orbit of Neptune at 30 astronomical units (AU) to approximately 50 AU from the Sun. [2] It is similar to the asteroid belt, but is far larger—20 times as wide and 20–200 times as massive.
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.
Ceres, 2.8 AU in the asteroid belt; Orcus 39.4 AU, Trans-Neptunian-Kuiper belt object; Pluto 39 AU, Kuiper belt (a planet until 2006) Haumea 43 AU, Kuiper belt; Makemake 45.8 AU, Kuiper belt; Eris 95.6 AU, Kuiper belt; Gonggong Scattered disc object, 34 to 101 AU; Quaoar Kuiper belt object, 41.9 to 45.4 AU; Sedna 76 to 506 AU
The Kuiper belt is a great ring of debris similar to the asteroid belt, but consisting mainly of objects composed primarily of ice. [195] It extends between 30 and 50 AU from the Sun. It is composed mainly of small Solar System bodies, although the largest few are probably large enough to be dwarf planets. [ 196 ]
Planetary discriminants for Ceres, Pluto and Eris taken from Soter, 2006. Planetary discriminants of all other bodies calculated from the Kuiper belt mass estimate given by Lorenzo Iorio. [100] ^ Saturn satellite info taken from NASA Saturnian Satellite Fact Sheet. [101]
Since the year 2000, a number of Kuiper belt objects (KBOs) with diameters of between 500 and 1500 km (more than half that of Pluto) have been discovered. 50000 Quaoar, a classical KBO discovered in 2002, is over 1000 km across. Makemake and Haumea, both announced on 29 July 2005, are larger still.
There are about 4,000 known comets in our Solar System so far and most of them come from beyond Pluto, in the Kuiper Belt and Oort Cloud. One of such, called C/2023 A3 Tsuchinshan-ATLAS, will make ...
Main-belt asteroids > 200 km that were not imaged are (451) Patientia, (65) Cybele and (107) Camilla. ... (objects in the Kuiper belt, ... First "big four" asteroid ...