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'Comet Arend-Roland', formally designated 'C/1956 R1', '1957 III', and '1956h', was discovered on November 8, 1956, by Sylvain Arend and Georges Roland on photographic plates. It appeared brightest in 1957 and became very bright as it passed through the inner solar system. It was notable for the appearance after perihelion of a prominent antitail. It was travelling on a hyperbolic orbit, meaning it is travelling fast enough to escape from the solar system entirely.

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★ JPL Orbit Simulation