File:TheKuiperBelt 60AU LargePlutinos.svg

 

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Summary[edit]

(voir plus loin pour la description en français) Orbits of large and notable plutinos.

Generated by a program written by Eurocommuter.

Main graph[edit]

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.

Data source[edit]

Minor Planet Center Orbit database (MPCORB) as of 2008-10-05. Orbits' classification from MPEC Circular 2008-S05 (2008-10-01) or from MPCORB.

Description en français[edit]

Les orbites des grands plutinos. Graphe généré par un programme écrit par Eurocommuter.

Graphe principal[edit]

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. L’excentricité de l’orbite est représentée indirectement par un segment qui s’étend du périhélie à gauche) l’aphélie à droite. En d’autres termes, le segment illustre les variations de la distance du Soleil. Les objets avec des orbites quasi circulaires ont donc des courts segments et les orbites très excentriques sont repérées par des segments longs.

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[edit]

La base de donnés MPCORB au 1er Decembre 2004. Classification: MPC Circular 2007-W54 (2007-11-22).

Licensing[edit]

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