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摘要
The irregulars of Uranus and Neptune. Plotted by a program written by Eurocommuter.
Main graph
Satellites
- of Uranus (in green)
- of Neptune (in blue)
The position of a satellite represents
- its orbit’s semi-major axis a as a fraction of the Hill sphere (horizontal axis)
- orbit’s inclination i in degrees (vertical axis).
- the size of the circle illustrates the satellites's size relative to others:
The eccentricity of the orbit is shown indirectly by a segment extending from the left (pericenter) to the apocentre to the right. In other words, the segment illustrates the variations of the object's distance from the planet.
Satellites beneath the axis (i>90) are retrograde.
Data source
Based on the data collected by David Jewitt (July 2006).
许可协议
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