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Table 1

Critical distances (in Rp) for the current planetary configuration and also for a possible initial configuration of a migrational model (Tsiganis et al. 2005; Nogueira 2008).

Planets Today Migration Outermost

Uranus 68.3–(19.22) 50.2–(11.50) Oberon–[22.8]
Neptune 75.7–(30.11) 48.2–(14.20) Proteus–[4.8 ]
Saturn 41.6–(9.55) 37.9–(8.18) Hyperion–[24.6]
Jupiter 32.5–(5.20) 33.4–(5.45) Callisto–[26.3]

Notes. The values between parenthesis refer to the semi-major axis (in AU) of the corresponding planet used to calculate ac, while the values between brackets refer to the current semi-major axis (in Rp) of the corresponding satellite.

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