Spherical harmonic decomposition and interpretation of the shapes of the small Saturnian inner moons

Open Access

Fig. 5

Ratios b_T/a_T and c_T/b_T with their uncertainties for the small satellites of Saturn for which DTMs are available (Thomas & Helfenstein 2020). The values in blue represents the best-fit ellipsoids of Thomas & Helfenstein (2020) whereas the red values represent the ellipsoid shape deduced from degrees 2 of our spherical harmonics decomposition. The green curve represents the Roche sequence and yellow line is the Omega sequence defined in Dobrovolskis (2019).

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