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  1. Oxford Dictionary

    Trojan asteroid

    • IPA[ˌtrəʊdʒ(ə)n ˈastərɔɪd]

    英式

    • n.
      an asteroid belonging to one of two groups which orbit the sun at the same distance as Jupiter, at the Lagrangian points roughly 60 degrees ahead of it and behind it.

    • noun: Trojan asteroid, plural noun: Trojan asteroids