1985 TN3. Discovered 1985 Oct. 11 by C. S. Shoemaker and E. M. Shoemaker at Palomar.

Named after Wolfgang Moarker, owner and director of the Marker cement factory at Harburg, located on the edge of the Ries {see planet (4327)} impact crater, Germany. Marker and his forebears have maintained a long tradition of support for geological research in one of the world's best studied impact craters. Maarker's responsible interest in the Ries geology and his involvement in the production of special cement from local impact breccias has kept quarries in operation that have yielded invaluable information about the Ries crater. This has been of fundamental importance for research opportunities in the field of impact cratering. (M 18140)

Citation provided by Dieter Stoffler at the request of the discoverers.

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