(voir plus loin pour la description en français)
Distribution of Kuiper belt objects' orbits.
Objects in resonance are plotted in red (Neptune trojans 1:1, plutinos 2:3, twotinos 1:2,…). Confirmed plutinos are in dark red. Classical objects are plotted in blue. Scattered disk objects (not members of the Kuiper Belt) are shown in grey for reference.
Generated by a program written by Eurocommuter.
Main graph
The position of an object represents
its orbit’s semi-major axis a in AU (horizontal axis)
orbit’s inclination i in degrees (vertical axis).
The size of the circle illustrates the object’s size relative to others. For a few large objects, the diameter drawn represents the best current estimates. For all others, the circles represent the absolute magnitude of the object.
The eccentricity of the orbit is shown indirectly by a segment extending from the left (perihelion) to the aphelion to the right. In other words, the segment illustrates the variations of the object's distance from the Sun. Objects with nearly circular orbits will show short segments while highly elliptical orbits will be represented by long segments.
Main resonances with Neptune are marked with vertical bars; 1:1 marks the position of Neptune’s orbit (and its Trojan asteroids), 2:3 marks the orbit of Pluto (and its moons) etc. Shorter white bars mark minor resonances.
Data source
Minor Planet Center Orbit database (MPCORB) as of 2008-10-05. Resonant orbits' classification from MPEC Circular 2008-S05 (2008-10-01).
Diameter estimates include Stansberry et al. (Spitzer). See refs in the related articles.
描述TheKuiperBelt 75AU All.svg
Distribution of TNO.
日期
02 February 2006; updated 18 Oct 2008
来源
Plotted by a program written by the User:Eurocommuter
La distribution des objets de la Ceinture de Kuiper.
Les objets en résonances sont montrés en rouge, les objets classiques en bleu. Les objets épars qui font pas partie de la Ceinture, sont montrés en gris.
Graphe généré par un programme écrit par Eurocommuter.
Graphe principal
La position d’un objet représente
le demi axe majeur (rayon moyen) de son orbite a en au (unité astronomique, l'axe horizontal)
l’inclination de son orbite i en degrés (axe vertical).
Le diamètre du cercle montre la taille relative de l’objet aux autres. Pour quelques grands objets, le diamètre représente la meilleure estimation connue. Pour tous les autres, le diamètre du cercle représente la magnitude absolue de l’objet.
Les positions des résonances avec Neptune sont marqués par des traits verticaux; 1:1 marque la position de l’orbite de
Neptune (et ses Troyens), 2:3 marque l’orbite de Pluton (et ses lunes) etc.
Source des donnés
La base de donnés MPCORB au 5 Novembre 2008 sauf pour la classification des orbites résonantes où le
Minor Planet Circular 2008-S05 [1] a été utilisé..
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