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Fig. 7

image

Stability maps in the plane (e,J) with λ = Ω = 0 and ω = 90° for initial semimajor axis from left to right: a = 0.55, 1.5, 2.0, 3.0, and 4.0 au. We show the MEGNO Y (top) and the Δe (bottom) stability indicators. The grey curve gives the centre of libration of the Lidov-Kozai resonance (Eq. (4)), while the red vertical line gives the limit for tidal stability (Eq. (8)).

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