Publicação: Artificial neural network classification of asteroids in the M1:2 mean-motion resonance with Mars
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Oxford Univ Press
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Artificial neural networks (ANNs) have been successfully used in the last years to identify patterns in astronomical images. The use of ANN in the field of asteroid dynamics has been, however, so far somewhat limited. In this work, we used for the first time ANN for the purpose of automatically identifying the behaviour of asteroid orbits affected by the M1:2 mean-motion resonance with Mars. Our model was able to perform well above 85 per cent levels for identifying images of asteroid resonant arguments in term of standard metrics like accuracy, precision, and recall, allowing to identify the orbital type of all numbered asteroids in the region. Using supervised machine learning methods, optimized through the use of genetic algorithms, we also predicted the orbital status of all multi-opposition asteroids in the area. We confirm that the M1:2 resonance mainly affects the orbits of the Massalia, Nysa, and Vesta asteroid families.
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methods: data analysis, celestial mechanics, minor planets, asteroids: general
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Inglês
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Monthly Notices Of The Royal Astronomical Society. Oxford: Oxford Univ Press, v. 504, n. 1, p. 692-700, 2021.
