Glossary term: 特洛伊天體
Description: 特洛伊天體是指一類繞太陽運行的小行星，它們的軌道與某些主要行星的軌道相同，但比行星提前六分之一個軌道，或是滯後六分之一個軌道。這兩個點，即行星的前方和後方，是兩個特殊的引力點，被稱為拉格朗日點 4 和 5。在這裡，一個小天體可以穩定地保持其軌道位置，不會被行星的引力擾動。
太陽系中最大的特洛伊小行星群是那些與木星共享軌道的小天體。位於木星前方 60 度的特洛伊天體有時被稱為希臘群，是以特洛伊戰爭中的希臘神話人物命名的。位於木星後方 60 度的行星則以特洛伊的人物命名。
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Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher The translation of this term and its definition is still awaiting approval
This is an automated transliteration of the simplified Chinese translation of this term
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