Table 3: Mean values for the intrinsic collision probability $\langle Pi_{\rm c} \rangle$ and the impact velocity  $\langle V \rangle$ for the different populations of our model.
Populations $\langle Pi_{\rm c} \rangle$ $\langle V \rangle$
  (10-18 km-2  yr-1) (km s-1)
  Main Belt-Main Belt  
IR-IR 9.8 3.7
IR-MR 8.6 4.4
IR-OR 1.4 4.4
MR-MR 1.7 4.3
MR-OR 3.5 4
OR-OR 2.74 3.3
  Main Belt-NEA  
IR-NEA 6.2 9.9
MR-NEA 2.7 9.3
OR-NEA 1.5 8.1
  NEA-NEA  
NEA-NEA 7.2 14.5

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