4150 Starr the family's largest member and namesake – and calculates a diameter of 7.5 kilometers with an absolute magnitude of 12.8. Several rotational lightcurves of "Starr" were obtained from photometric observations. An unpublished lightcurve by Kryszczynska from November 2011, has been rated best by CALL. It gave a rotation period of hours and a brightness variation of 0.20 in magnitude (). This minor planet was named in after Richard Starkey (born 1940), better known as Ringo Starr, the drummer of The Beatles. He joined the English rock band in 1962, replacing its former drummer Pete Best. Ringo has released various albums
Ringo Starr and His All Starr Band Volume 2: Live from Montreux Time", he mostly centered on his Beatles' standards on this occasion, namely "Yellow Submarine", "With A Little Help From My Friends" and his cover of The Shirelles' "Boys", which had been appeared on The Beatles' first album, "Please Please Me", in 1963. The members of his All-Starr Band also had solo moments during the live recording. Following up on the 1990 album "Ringo Starr and His All-Starr Band", this new collection was a recording of a performance in Montreux in 1992, shortly after the release of Starr's studio album "Time Takes Time". "Ringo Starr and His All Starr Band Volume