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They often describe scattered disc objects as "scattered Kuiper belt objects". [108] Eris, which is known to be more massive than Pluto, is often referred to as a KBO, but is technically an SDO. [107] A consensus among astronomers as to the precise definition of the Kuiper belt has yet to be reached, and this issue remains unresolved.
486958 Arrokoth (provisional designation 2014 MU 69; formerly nicknamed Ultima Thule [a]) is a trans-Neptunian object located in the Kuiper belt.Arrokoth became the farthest and most primitive object in the Solar System visited by a spacecraft when the NASA space probe New Horizons conducted a flyby on 1 January 2019.
A classical Kuiper belt object, also called a cubewano (/ ˌ k juː b iː ˈ w ʌ n oʊ / "QB1-o"), [a] is a low-eccentricity Kuiper belt object (KBO) that orbits beyond Neptune and is not controlled by an orbital resonance with Neptune. Cubewanos have orbits with semi-major axes in the 40–50 AU range and, unlike Pluto, do not cross Neptune's ...
Other objects, such as 28978 Ixion (discovered in 2001) and 20000 Varuna (discovered in 2000) measure roughly 500 km across. [1] This has led gradually to the acceptance of Pluto as the largest member of the Kuiper belt. [citation needed] The brightest known dwarf planets and other KBOs (with absolute magnitudes < 4.0) are:
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
This is a list of trans-Neptunian objects (TNOs), which are minor planets in the Solar System that orbit the Sun at a greater distance on average than Neptune, that is, their orbit has a semi-major axis greater than 30.1 astronomical units (AU). The Kuiper belt, scattered disk, and Oort cloud are three conventional divisions of this volume of ...
Pages in category "Kuiper belt objects" The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes. ...
The Kuiper belt object 38628 Huya has a single known natural satellite, which as of 2025 has no official designation. [6] Huya and its satellite form a binary system, and are together referred to as the Huya system. [3]