12625 Koopman (provisional designation: 9578 P-L) is a main-belt minor planet. It was discovered by Cornelis Johannes van Houten, Ingrid van Houten-Groeneveld, and Tom Gehrels at the Palomar Observatory in San Diego County, California, on October 17, 1960. It is named after Elizabetha Koopman, second wife of and assistant to Johannes Hevelius
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