Table 1

Close encounters for S5a (top) and S5b (bottom).

Te (Myr) δH × 1013 A1 A2 Δ (AU)

 −2.3065 4.1 1 7 2.22E − 04
 −61.9215 10.4 1 4 2.34E − 04
 −93.9535  −3.8 2 4 8.94E − 04

 −6.4985 18.8 1 4 3.99E − 04
 −20.9295  −3.8 2 4 7.42E − 04
 −40.7115 4.0 2 4 9.72E − 04
 −55.6035  −2.5 2 4 1.14E − 03
 −59.0680  −7.2 1 2 7.08E − 04
 −71.8610  −3.4 1 2 6.02E − 04
 −90.4210  −2.5 1 2 1.12E − 03
 −93.1865 12.0 1 4 4.34E − 04
 −97.8895 4.1 1 2 9.68E − 04

Notes. Te: date of the encounter; δH: planetary relative variation in energy; A1,A2: involved asteroids; Δ: distance of closest approach. Compare to the Hill radii RH (Table 3).

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