Last Updated
：2025/11/20
Apollo
IPA(Pronunciation)
Noun
Japanese Meaning
アポロ小惑星：地球の軌道を横切る軌道を持ち、軌道周期が1年以上、半長軸が1天文単位（AU）を超え、近日点距離が1.017 AU未満の小惑星
（ plural ）
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(astronomy) An asteroid possessing an orbit that crosses the orbit of the Earth and an orbital period of over one year, with semimajor axes greater than 1 AU, and perihelion distances less than 1.017 AU.
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Apollo
Astronomers confirmed that Apollo is an Earth-crossing asteroid with a semimajor axis greater than 1 AU and a perihelion distance less than 1.017 AU.
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Astronomers confirmed that Apollo is an Earth-crossing asteroid with a semimajor axis greater than 1 AU and a perihelion distance less than 1.017 AU.
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