Fig. 5

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Time evolution of the values of λr and the geocentric energy for the nominal orbit of 2023 FY3. Top panel: λr circulates most of the time although librations are also visible. Bottom panel: the evolution of the geocentric energy shows that recurrent temporary captures are possible. In this figure the output cadence is 0.1 yr and only temporary captures lasting two or more months are visible. Captures take place when the value of the geocentric energy becomes negative. The unit of energy is such that the unit of mass is 1 M⊙, the unit of distance is 1 au, and the unit of time is one sidereal year divided by 2π.
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