The strange case of the missing apocentric librators in the 3:2 resonance |
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Authors: | W -H IP |
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Institution: | (1) Department of Applied Physics and Information Science, University of California, San Diego, La Jolla, California, USA |
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Abstract: | From a comparison of the 2:1 and 3:2 resonances (in the asteroidal belt) two possible explanations to the absence of 3:2 apocentric librators are suggested. The first one is that such 3:2 resonant motion is dynamically unstable. The second interpretation requires the absence of nearcircular orbits originally at 4 AU. The latter view, if correct, is inconsistent with cosmogonic models which predict the original orbits of the asteroids to be nearly circular. |
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