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单词 Twotinos
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Twotinos

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共振海王星外天体 Resonant trans-Neptunian object

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海王星外天体的分布图,与海王星共振的天体以红色标示。
冥王星和他的卫星(顶端)与厄耳枯斯和伊克西翁在大小、反照率和颜色的比较。
被筛选出的共振天体 (红色)

共振海王星外天体,在天文学中是指轨道与海王星有共振关系的海王星外天体(TNO),意味着两者的轨道周期之间有简单的整数比,如1:2、2:3等等。

英语百科

Resonant trans-Neptunian object 共振海王星外天体

(重定向自Twotinos)
Distribution of trans-Neptunian objects. Objects occupying the stronger resonances are in red.
The motion of Orcus in a rotating frame with a period equal to Neptune's orbital period. (Neptune is held stationary.)
Pluto and its moons (top) compared in size, albedo and colour with Orcus and Ixion.
Selected resonant objects (in red).

In astronomy, a resonant trans-Neptunian object is a trans-Neptunian object (TNO) in mean-motion orbital resonance with Neptune. The orbital periods of the resonant objects are in a simple integer relations with the period of Neptune e.g. 1:2, 2:3 etc. Resonant TNOs can be either part of the main Kuiper belt population, or the more distant scattered disc population.

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更新时间:2025/6/19 1:38:18