Claim: 5756 Wassenbergh is a 14.1 diameter Rafita asteroid from the asteroid belt that was discovered by C. J. van Houten, I. van Houten and G. T. Gehrels in the Palomar Observatory on September 24, 1960.
Evidence: 5756 Wassenbergh, provisional designation 6034 P-L, is a Rafita asteroid from the central regions of the asteroid belt, approximately 4 kilometers (2.5 miles) in diameter. 
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Wassenbergh measures 3.930 kilometers in diameter and its surface has an albedo of 0.262. 
3.930±0.134 km