Geological Chronicle
Rima Cleomedes is a lunar graben structure spanning 45.54 kilometers in length across the lunar basalt crust. Formed by structural faulting and crustal extension, the trench cuts through terrain within the Cleomedes quadrangle (LAC-44).
Officially cataloged by the International Astronomical Union at selenographic coordinates 27.9776° latitude and 56.5145° longitude, the rille designation notes: Within crater.