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Patroclus-Menoetius Pair Orbit

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Patroclus-Menoetius pair orbit
Image Courtesy of Durda/Marchi/SwRI
This animated GIF shows how the Patroclus-Menoetius pair orbit around each other as they circle the Sun in tandem with Jupiter. SwRI scientists posit that a giant planet shake-up must have occurred early in solar system history, because the binary was trapped intact by the Trojan asteroid swarms.