Table 1
Physical and dynamical properties of Mimas used in the calculations.
| Parameter | Value | Source |
|
|
||
| Mean motion n | 2435.14429644 rad/y | TASS1.6 (Vienne & Duriez 1995) |
| Mean radius R | 198.2 km | (Thomas et al. 2007) |
| Density ρ | 1150.03 kg m-3 | (Thomas et al. 2007) |
| Mass m | 3.7495 × 1019 kg | (Jacobson et al. 2006) |
| Saturn-facing radius a | 207.8 km | (Thomas 2010) |
| Orbit-facing radius b | 196.7 km | (Thomas 2010) |
| Polar radius c | 190.6 km | (Thomas 2010) |
Notes. The mean density ρ was calculated from the radius given in Thomas et al. (2007) and the mass given in Jacobson et al. (2006). A recent paper by Thomas (2010) slightly shifts the mean radius to 198.3, the change has negligible effects. However, we used this last reference for the triaxial shape of Mimas because the rotation, especially the longitudinal motion, is sensitive to the differences between these axes.
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