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3I/ATLAS’s trajectory through our Solar System The orbit of interstellar comet 3I/ATLAS (black) compared to the inner planets of our Solar System at the time of its discovery on July 1, 2025. Planet positions are shown for Mercury (pink), Venus (blue), Earth (green), Mars (red), and Jupiter (khaki), based on data from NASA’s JPL HORIZONS system. View is from above the plane of the Solar System. Bolin, et al.