540 Rosamunde

Rosamunde (minor planet designation: 540 Rosamunde) is an S-type asteroid belonging to the Flora family in the Main Belt. Its diameter is about 19 km and it has an albedo of 0.243. Its rotation period is 9.336 hours.

Rosamunde is named for a character in a play of the same title for which Franz Schubert wrote incidental music.