Trojan asteroid
noun
- 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特罗央群小行星（以木星和太阳之间相同距离的轨道围绕太阳运行的两组小行星之一中的小行星, 在木星前后各约60度的拉格朗日点上）。
词源
early 20th cent.: so named because the first asteroids discovered were named after heroes of the Trojan War.