Top panel: cumulative distribution of the original orbital energy for the observable new comets obtained from the simulations (green line), for the JPLWC sample (gray line), and for the WC sample (black line). Bottom panel: proportion of retrograde orbits for a semi-major axis smaller than 25 000 AU and for a semi-major axis greater than 25 000 AU. The light green area corresponds to the range of results obtained from the ten simulations using different stellar sequences. The dark green line corresponds to the canonical sample shown in Fig. 4.
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