Table 2
Clipped V -shape families.
| Designation | Tax. | Dpb | tage,α=1 | tage | N | ac | α | pV | Ds–Dl |
|---|---|---|---|---|---|---|---|---|---|
| (km) | (Gyr) | (Gyr) | (au) | (km) | |||||
| Agnia | S | 50.0 | 0.1 ± 0.05 | 0.12 ± 0.06 | 2123 | 2.791 | 0.90 ± 0.03 | 0.18 ± 0.06 | 0.6–8.5 |
| Astrid | C | 43.0 | 0.11 ± 0.06 | 0.1 ± 0.05 | 452 | 2.787 | 0.81 ± 0.07 | 0.08 ± 0.02 | 1.3–6.7 |
| Baptistina | X | 35.0 | 0.18 ± 0.09 | 0.2 ± 0.1 | 2450 | 2.263 | 0.83 ± 0.05 | 0.16 ± 0.03 | 0.5–19.9 |
| Dora(2) | C | 125.0 | 0.13 ± 0.07 | 0.1 ± 0.05 | 1223 | 2.796 | 0.86 ± 0.04 | 0.05 ± 0.01 | 1.2–22.7 |
| Eos | K | 294.5 | 1.13 ± 0.56 | 1.08 ± 0.54 | 6897 | 3.024 | 0.92 ± 0.02 | 0.13 ± 0.04 | 2.9–23.3 |
| Eunomia | S | 275.5 | 1.66 ± 0.83 | 1.1 ± 0.55 | 1311 | 2.635 | 0.77 ± 0.03 | 0.19 ± 0.04 | 4.8–19.3 |
| Hoffmeister | CF | 41.4* | 0.22 ± 0.11 | 0.22 ± 0.11 | 1773 | 2.785 | 0.84 ± 0.03 | 0.04 ± 0.01 | 1.9–27.1 |
| Hungaria | E | 25.0 | 0.3 ± 0.15 | 0.27 ± 0.13 | 2337 | 1.943 | 0.79 ± 0.09 | 0.35 ± 0.1 | 0.8–3.3 |
| Hygiea | CB | 426.0 | 1.16 ± 0.58 | 0.92 ± 0.46 | 553 | 3.157 | 0.92 ± 0.02 | 0.06 ± 0.02 | 8.4–31.9 |
| Koronis | S | 148.5 | 1.57 ± 0.79 | 1.94 ± 0.97 | 516 | 2.883 | 0.93 ± 0.03 | 0.15 ± 0.04 | 6.8–27.3 |
| Naema | C | 79.0 | 0.07 ± 0.03 | 0.04 ± 0.02 | 281 | 2.939 | 0.81 ± 0.05 | 0.08 ± 0.02 | 1.8–19.9 |
| Padua | C/X | 83.5 | 0.33 ± 0.17 | 0.31 ± 0.16 | 558 | 2.744 | 0.89 ± 0.11 | 0.1 ± 0.03 | 1.9–7.7 |
Notes. Diameters for the parent body, Dpb, were taken from the means of asteroid family parent bodies in Brož et al. (2013) and Durda et al. (2007) if Dpb was available from both sources. Ages of asteroid families were taken from Brož et al. (2013) and Spoto et al. (2015). The estimate of the Hoffmeister parent body size was determined using the method of Tanga et al. (1999). The ages for the Hoffmesiter and Hygiea family were taken from Carruba et al. (2017b) and Carruba et al. (2014). The diameter of the parent body for the Dora(2) was determined using the method of Tanga et al. (1999). The α of the subfamily V -shape in the Dora family is measured.
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