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Apollo asteroid

Earth-crossing asteroid that has an orbital semi-major axis greater than that of the Earth (> 1 AU) but perihelion distance less than the Earth's aphelion distance (q < 1.017 AU)

Pronunciation
/əˈpɑloʊ ˈæstəˌrɔɪd/
/əˈpɒləʊ ˈastərɔɪd/