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 An unpublished lightcurve by Kryszczynska from November 2011, has been rated best by CALL.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 Not", which included the track "Walk with You" and featured a vocal contribution from McCartney. Later that year, he appeared during "" as a celebrity phone operator. On 7 July 2010, he celebrated his 70th birthday at Radio City Music Hall with another All-Starr Band concert, topped with friends and family joining him on stage including Ono, his son Zak, and McCartney. Starr recorded a cover of Buddy Holly's "Think It Over" for the 2011 tribute album "". In January 2012, he released the album "Ringo 2012". Later that year, he announced that his All-Starr Band would tour the Pacific