6257 Thorvaldsen was discovered by C.J Van Houten, Ingrid van Houten-Groeneveld, and T. Gherels at Palomar Observatory in 1971.
6257 Thorvaldsen was discovered by C.J Van Houten, Ingrid van Houten-Groeneveld, and T. Gherels at Palomar Observatory in 1971.