作者君在作品相关中已经解释过这个问题，并在此列出相关参考文献中的一篇开源论文。

以下是文章内容：

Long-termintegrationsandstabilityofpnetaryorbitsinourSorsystem

Abstract

Wepresenttheresultsofverylong-termnumericalintegrationsofpnetaryorbitalmotionsover109-yrtime-spansincludingallninepnets.Aquickinspectionofournumericaldatashowsthatthepnetarymotion，atleastinoursimpledynamicalmodel，seemstobequitestableevenoverthisverylongtime-span.Acloserlookatthelowest-frequencyosciltionsusingalow-passfiltershowsusthepotentiallydiffusivecharacterofterrestrialpnetarymotion，especiallythatofMercury.ThebehaviouroftheeccentricityofMercuryinourintegrationsisqualitativelysimirtotheresultsfromJacquesskar'ssecurperturbationtheory(e.g.emax∼0.35over∼±4Gyr).However，therearenoapparentsecurincreasesofeccentricityorinclinationinanyorbitalelementsofthepnets，whichmayberevealedbystilllonger-termnumericalintegrations.Wehavealsoperformedacoupleoftrialintegrationsincludingmotionsoftheouterfivepnetsoverthedurationof±5×1010yr.TheresultindicatesthatthethreemajorresonancesintheNeptune–Plutosystemhavebeenmaintainedoverthe1011-yrtime-span.

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