1957 HK. Discovered 1957 Apr. 24 at the La Plata Observatory at La Plata.
Named in memory of Virgilio Raffinetti (1869–1946), Argentine astronomer, who was director of La Plata Observatory between 1889 and 1905. Under his personal supervision the Gautier meridian circle was installed at this Observatory in 1903. (M 22498)