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 An unpublished lightcurve by Kryszczynska from November 2011, has been rated best by CALL.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 (album) 14 March. Three days later, on 17 March, British music magazine "Melody Maker" reported the session to be a Beatles reunion: "Rumours flashed through Los Angeles this week that three of the Beatles have teamed up for recording purposes. John Lennon, George Harrison and Ringo Starr are all in Los Angeles with Klaus Voormann, the bassist rumoured to replace Paul McCartney after his departure from the group." Also recorded during this month was Randy Newman's "Have You Seen My Baby?"; it features overdubbed guitar by Bolan which was added at A&M Studios. This group of sessions lasted until 27 March.