Named in honor of Joachim Otto Stobbe (1900–1943), astronomer at the Hamburg-Bergedorf Observatory during 1925–1927 who observed comets and minor planets. As chief assistant at the Berlin-Babelsberg Observatory he later did an extensive study of the light curve of (433) Eros. From 1941 until his death he was director of the Poznan Observatory. (M 4236) _ _.