Fig. 2
MEGNO maps of the planar 2 + 2 body problem for the Circular-Neptune case. The maps in the left are done with the CM in the classical belt (R = 45 AU) and the ones in the right are done with the CM in the resonance (R = 39.4343 AU). The values of the initial energy E are, from top to bottom: –0.5, –0.75 and –1.5.
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