 Lutz Schmadel, the author of the "Dictionary of Minor Planet Names" learned about Wolf's source of inspiration from private communications with Dutch astronomer Ingrid van Houten-Groeneveld, who worked as a young astronomer at Heidelberg.In the Tholen-like taxonomy of the Small Solar System Objects Spectroscopic Survey (S3OS2), "Rotraut" is a carbonaceous C-type asteroid (Caa), while in the survey's SMASS-like taxonomic variation it is a hydrated C-type (Ch).Two rotational lightcurves of "Rotraut" were obtained from photometric observations by Richard Ditteon at Oakley Southern Sky Observatory , Australia, in February 2017, and by Tom Polakis at the Command Module Observatory in Arizona in May 2018.