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 An unpublished lightcurve by Kryszczynska from November 2011, has been rated best by CALL.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 first performed as a member of the Beatles on 18 August 1962, at a horticultural society dance at Port Sunlight. After his appearance at the Cavern Club the following day, Best fans, upset by his firing, held vigils outside his house and at the club shouting "Pete forever! Ringo never!" Harrison received a black eye from one upset fan, and Epstein, whose car tyres they had flattened in anger, temporarily hired a bodyguard. Starr's first recording session as a member of the Beatles took place on 4 September 1962. He stated that Martin had thought that he "was crazy and