 Over the course of seven nights in January 2018, a rotational lightcurve of "Ratisbona" was obtained from photometric observations by Tom Polakis at the Command Module Observatory in Arizona.Lightcurve analysis gave a rotation period of hours with a low brightness variation of magnitude, indicative of a regular, spherical shape ().The result supersedes a period of hours with an amplitude of magnitude determined by René Roy, Raoul Behrend, Pierre Antonini and Donn Starkey in October 2004 ().