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Table 6 Compilation of fragment ratios b/a and c/a from several publications in the literature. Dimensions are defined to be a ≥ b ≥ c

From: Asteroid Ryugu before the Hayabusa2 encounter

Reference Target Projectile Impact velocity (km/s) b/a c/a
Fujiwara et al. 1978 Basalt Polycarbonate cylinders 2.6 and 3.7 0.73 0.50
Capaccioni et al. 1986 Basalt
Concrete
Aluminum spheres 8.8 and 9.7 0.7 0.5
Durda et al. 2015 Basalt Aluminum spheres 3.9–5.8 0.72 ± 0.13 0.39 ± 0.13
Michikami et al. 2016 Basalt Nylon spheres 1.6–7.1 0.74 0.5 (catastrophic disruption)
0.2 (impact cratering)