File:Kirkwood Gaps.svg
Summary
This histogram clearly shows the primary <a href="https://en.wikipedia.org/wiki/Kirkwood_gap" class="extiw" title="w:Kirkwood gap">Kirkwood gaps</a> in the asteroid main-belt. These gaps (labeled "3:1", "5:2", "7:3", "2:1") are caused by <a href="https://en.wikipedia.org/wiki/Orbital_resonance" class="extiw" title="w:Orbital resonance">mean-motion resonances</a> between an asteroid and Jupiter. For example, the 3:1 Kirkwood gap is located where the ratio of an asteroid's orbital period to that of Jupiter is 3/1 (the asteroid completes 3 orbits for every 1 orbit of Jupiter). The effect of these mean-motion resonances is a change in the asteroid's orbital elements (particularly semimajor axis) sufficient to create these gaps in semimajor axis space.
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:53, 3 January 2017 | | 792 × 612 (58 KB) | 127.0.0.1 (talk) | This histogram clearly shows the primary <a href="https://en.wikipedia.org/wiki/Kirkwood_gap" class="extiw" title="w:Kirkwood gap">Kirkwood gaps</a> in the asteroid main-belt. These gaps (labeled "3:1", "5:2", "7:3", "2:1") are caused by <a href="https://en.wikipedia.org/wiki/Orbital_resonance" class="extiw" title="w:Orbital resonance">mean-motion resonances</a> between an asteroid and Jupiter. For example, the 3:1 Kirkwood gap is located where the ratio of an asteroid's orbital period to that of Jupiter is 3/1 (the asteroid completes 3 orbits for every 1 orbit of Jupiter). The effect of these mean-motion resonances is a change in the asteroid's orbital elements (particularly semimajor axis) sufficient to create these gaps in semimajor axis space. <div style="direction:ltr;"> <span style="width: 2.8em; display: inline-block; text-align: center;"><span style="width: 2.4em; display: inline-block; text-align: center; border: 1px solid #333; background-color: #005aff;"> </span></span> inner <a href="https://en.wikipedia.org/wiki/main-belt" class="extiw" title="w:main-belt">main-belt</a> (<a href="https://en.wikipedia.org/wiki/Semi-major_axis" class="extiw" title="w:Semi-major axis">a</a> < 2.5 <a href="https://en.wikipedia.org/wiki/Astronomical_unit" class="extiw" title="w:Astronomical unit">AU</a>)</div> <div style="direction:ltr;"> <span style="width: 2.8em; display: inline-block; text-align: center;"><span style="width: 2.4em; display: inline-block; text-align: center; border: 1px solid #222; background-color: #ffa500;"> </span></span> middle main-belt (2.5 AU < a > 2.82 AU)</div> <div style="direction:ltr;"> <span style="width: 2.8em; display: inline-block; text-align: center;"><span style="width: 2.4em; display: inline-block; text-align: center; border: 1px solid #333; background-color: #55d400;"> </span></span> outer main-belt (a > 2.82 AU</div> |
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