Geodesic
Comparative analysis of mathematical models for estimating the impact probability of asteroid Apophis
Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, Tome 127 (2012) no. 2, pp. 192-196 Cet article a éte moissonné depuis la source Math-Net.Ru

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Methods for estimating the impact probability of asteroid Apophis were implemented. The probability of a collision was assessed using two methods: the Monte Carlo method, and the second one, utilizing a ratio between the interval of values of orbital elements, leading to a collision, and the confidence intervals of orbital elements. It was established that the variation in the semimajor axis makes the main contribution to the estimation of the impact probability. The expected date and the estimate of the probability of collision of asteroid Apophis and Earth were computed.
Keywords: asteroid Apophis, impact probability, Monte Carlo method.
Mots-clés : orbital elements 
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A. F. Zausaev; A. E. Derevyanka. Comparative analysis of mathematical models for estimating the impact probability of asteroid Apophis. Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences, Tome 127 (2012) no. 2, pp. 192-196. http://geodesic.mathdoc.fr/item/VSGTU_2012_127_2_a23/

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