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A classical Kuiper belt object, also called a cubewano (/ ˌkjuːbiːˈwʌnoʊ / "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 orbit.
This region is known as the classical Kuiper belt, and its members comprise roughly two thirds of KBOs observed to date. [48] [49] Because the first modern KBO discovered (Albion, but long called (15760) 1992 QB 1), is considered the prototype of this group
2023年3月2日 · The Kuiper Belt is a cold donut-shaped region of icy objects that circles the outer solar system beyond the orbit of the eighth planet from the sun, Neptune.
Kuiper Belt Objects (KBO s), members of the Trans-Neptunian objects, are ice-rock bodies that inhabit the outer Solar System in the Kuiper Belt. Formed at the same time as the rest of the Solar System and beyond the orbit of Neptune, these objects are thought to have either formed in place or were pushed out to their present position by Neptune ...
Classical KBOs are those having orbits with modest eccentricities and semimajor axes roughly in the 40 to 47 AU range. They are defined as a group by their long-term stability - they simply never approach Neptune closely enough to have been ejected over the
A majority of the observed Kuiper Belt Objects maintain large separations from Neptune even when at perihelion. The archetypal "Classical KBO" is 1992 QB1. Such objects are able to survive for the age of the solar system without the special protection offered
2021年9月3日 · Those called classical KBOs orbit within a specific range of distances from Neptune, and a subgroup of them, called cold classical KBOs (CCKBOs), has very low inclination angle, less than about six degrees.
