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Table 2

Radii of target and projectile capable of causing a catastrophic disruption of the target body as well as the number projectiles in the L4 cloud and the resulting collisional lifetime for the target body.

Rtar (m) (m) (Gyr)
10 0.20 2.55 × 1011 5.04
100 1.94 3.80 × 109 3.37
1000 35.2 1.79 × 107 7.17
10 000 751 6.22 × 104 20.1

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