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Fig. 5

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Cumulative numbers of particles with a reduced semi-major axis or migrating closer to the Sun, i.e. particles reaching a < 2 au, a < 1 au, q < 0.005 au, q < 0.00465 au, and q < 0.016 au. First entries into these zones are registered at 129 200, 166 100, 130 100, 130 100, and 119 600 yr, the median times of the first entries are 1.9, 2.1, 2.0, 2.0, and 1.8 Myr, and the total number of particles reaching these regions are 2002, 951 , 2762, 2678, and 3648.

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