関連ワード:  which planet's orbit has the lowest eccentricity    which planet's orbit has the smallest eccentricity value    which planet has the smallest orbital eccentricity    which planet has the least elliptical orbit (lowest eccentricity)    which planet has a nearly perfect circular orbit with the lowest eccentricity    which planet has the least eccentric orbit    which planet has the lowest eccentricity  
結果 : which planet's orbit has the lowest eccentricity