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- W1991497168 abstract "In this paper, the estimation method of impact probability for Near-Earth Objects (NEOs) is investigated. The impact probability of NEOs has been calculated by a linear target plane analysis and a Monte-Carlo method. Since the collisions of NEOs with the Earth are quite sensitive problems, the calculations have to be confirmed by everal methods. A linear target plane analysis cannot be applied if the position uncertainty is too large since the uncertainty ellipsoid is not a good assumption in this case. A Monte-Carlo method can be used for a large position uncertainty, but the computational cost is high. The limitation of using a linear target plane analysis is investigated using the Monte-Carlo method for the close approach of 99942 Apophis (2004 MN4). The relation between impact probability and observation accuracy is investigated by analyzing the close approach of 2007WD5." @default.
- W1991497168 created "2016-06-24" @default.
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- W1991497168 date "2009-01-01" @default.
- W1991497168 modified "2023-09-26" @default.
- W1991497168 title "Development of Impact Probability Estimation System for Near-Earth Objects" @default.
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- W1991497168 doi "https://doi.org/10.2322/tstj.7.pk_11" @default.
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