2256 Wiśniewski
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( 2256 ) Wisniewski is one of the main asteroid belt, which was discovered on September 24, 1960 as part of the Palomar - Leiden survey by the Dutch research team Cornelis Johannes van Houten, Ingrid van Houten - Groeneveld and Tom Gehrels.
The asteroid is named after the Polish astronomer Wieslaw Z. Wisnewski.