 This minor planet was named after the Latin name of the German city of Regensburg in Bavaria, where astronomer Johannes Kepler died in 1630.The was mentioned in the astronomical journal "Astronomische Nachrichten" in 1930 ().In the Tholen classification, "Ratisbona" is most similar to a common, carbonaceous C-type asteroid, and somewhat similar to a brighter B-type asteroid, based on a nosy spectrum (CB