Image:TheKuiperBelt 550AU ESDO.svg
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TheKuiperBelt_550AU_ESDO.svg (800 × 400 pixel, file size: 31 KB, MIME type: image/svg+xml)
This is a file from the Wikimedia Commons. The description on its description page there is shown below. | |
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Contents |
Summary
Extended Scattered Disk objects. 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.
Histograms
Histograms show the population of objects with the parameter (eccentricity e and inclination i respectively) inside the given interval. The population is expressed in % of the total population (vertical axis)
- for inclination, the interval is 5o, i.e. the first bar shows the relative population of objects with i in 0-5o range, the next in 5-10o range etc.
- for the eccentricity e, the interval is 0.1, i.e. the first bar shows the relative population of objects with e in 0-0.1 range (quite circular orbits)
Data source
MPCORB as of Feb 14th, 2006
Licensing
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File links
- Scattered disc
- User:Eurocommuter