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12052 Aretaon

12052 Aretaon ( ARR-ə-TAY-on), provisional designation 1997 JB16, is a mid-sized Jupiter trojan from the Trojan camp, approximately 40 kilometers (25 miles) in diameter. It was discovered on 3 May 1997, by Belgian astronomer Eric Elst at ESO's La Silla Observatory in northern Chile. The dark Jovian asteroid has a rotation period of 8.05 hours. It was named after Aretaon from Greek mythology.
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