I maybe totally off base here but does this cast doubt on planets with these Trojan asteroids as the article says it is within earths orbit and even Jupiter has them? Going by the third law of what makes a planet.
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it must have cleared other objects out of the way in its orbital neighborhood. To clear an orbit, a planet must be big enough to pull neighboring objects into the planet itself or sling-shot them around the planet and shoot them off into outer space.
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