Mass and amount of pebbles required to grow Ganymede and Titan from an initial seed mass of qs = 10−8.
|St = 5 × 10−3||St = 5 × 10−2|
|Ganymede||7.8 × 10−5||1.0(5.2) × 10−3||1.0(2.7) × 10−3|
|Titan||2.4 × 10−4||3.3(6.1) × 10−3||3.0(4.3) × 10−3|
Notes. The values in parentheses were computed for an aspect ratio hg = 0.1, whereas the nominal values were calculated assuming that the pebble isolation mass corresponds to the mass of the satellite (Eq. (39)), that is hg ≈ 0.055 in the case of Ganymede, and hg ≈ 0.08 in the case of Titan.
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