<page_title> List of minor planets: 2001–3000 </page_title> <section_title> 2501–2600 </section_title> <table> <cell> 2557 Putnam <col_header> Designation </col_header> <col_header> Permanent </col_header> </cell> <cell> B. A. Skiff, N. G. Thomas <col_header> Discovery </col_header> <col_header> Discoverer(s) </col_header> </cell> </table>
Brian A. Skiff co-discovered the 2557 Putnam with Norman G. Thomas.