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Table 3

Estimated fallback debris of 81P and 67P from our model.

αv Mfallback, 81P Thickness (81P) Mfallback, 67P
(109 kg) (cm) (109 kg)
0.5 0.00 0.0 0.00
0.6 0.01 0.0 0.21
0.7 0.03 0.1 2.74
0.8 0.17 0.5 6.88
0.9 1.29 3.8 12.00
1.0 4.42 13.1 17.88
1.1 7.62 22.6 24.39
1.2 10.79 32.0 31.36
1.3 13.90 41.3 38.67
1.4 16.93 50.3 46.20
1.5 19.85 59.0 53.86

Notes. ρbulk, 81P = 600 kg m−3 is assumed.

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