Open Access
Table 1
Physical parameters of Ceres, Vesta, and the impactors used in this study.
| Body | Parameter | Symbol | Units | Value | Reference |
|---|---|---|---|---|---|
| Ceres | Right Ascension of the spin axis | α0 | deg | 291.42 ± 0.01 | Russell et al. (2016) |
| Declination of the spin axis | δ0 | deg | 66.76 ± 0.02 | Russell et al. (2016) | |
| Mean radius | R | km | 469.7 ± 0.2 | Russell et al. (2016) | |
| Mean density | ρ | kg m−3 | 2161.6 ± 2.5 | Park et al. (2019) | |
| Surface gravity | g | m s−2 | 0.27 | Bland (2013) | |
| Transition simple-to-complex craters | Dc | km | 10 | Cheng & Klimczak (2022) | |
| Vesta | Right ascension of the spin axis | α0 | deg | 309.03 ± 0.01 | Russell et al. (2012) |
| Declination of the spin axis | δ0 | deg | 42.23 ± 0.01 | Russell et al. (2012) | |
| Mean radius | R | km | 262.7 ± 0.1 | Russell et al. (2012) | |
| Mean density | ρ | kg m−3 | 3456 ± 35 | Schenk et al. (2021) | |
| Surface gravity | g | m s−2 | 0.22 | Cheng & Klimczak (2022) | |
| Transition simple-to-complex craters | Dc | km | 38 | Vincent et al. (2014) | |
| Impactor | C-type impactor density | ρi,C | kg m−3 | 1260 ± 70 | Chesley et al. (2014) |
| S-type impactor density | ρi,S | kg m−3 | 1950 ± 140 | Kanamaru & Sasaki (2019) | |
| Impactor angle | θ | deg | 45 | ||
| Impactor speed | υ | m s−1 | 4790 | O’Brien & Sykes (2011) | |
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