An alternative stable solution for the Kepler-419 system, obtained with the use of a genetic algorithm

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Table 3

Elements of unstable planetary systems S_i with a large value of the fitness F.

Parameters	S₁	S₂	S₃	A18
m_⋆ [M_⊙]	1.3402	1.3362	1.3402	1.5810
a_b [au]	0.3657	0.3654	0.3657	0.3865
e_b	0.802	0.811	0.803	0.8070
	87.122	87.190	87.219	87.372
	259.08	239.33	259.08	95.23
	223.39	251.40	223.39	352.80
m_b [M_J]	1.284	1.986	1.285	3.067
a_c [au]	1.6625	1.6591	1.6643	1.7520
e_c	0.1877	0.1894	0.1870	0.1797
	87.236	86.470	87.298	85.720
	− 4.47	− 4.82	− 4.70	184.77
	82.73	65.71	82.53	276.75
	236.00	237.02	236.20	248.35
m_c [M_J]	7.176	7.176	7.176	8.494
τ [10⁶ yr]	1.1	4.8	0.45	0.60
F	535582	190228	511254	–

Notes. The timescale τ is the time for the inner planet to reach a distance larger than 10 au from the star, at which point we consider it detached from the system.

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