Claim: 5771 Somerville, discovered by E. Bowell on August 3, 1978, belongs to the Lixiaohua asteroid family with more than 700 known members.
Evidence: It was discovered on 21 September 1987, by American astronomer Edward Bowell at the Anderson Mesa Station of the Lowell Observatory in Flagstaff, Arizona. 
5771 Somerville, provisional designation 1987 ST1, is a carbonaceous Lixiaohua asteroid from the outer regions of the asteroid belt, approximately 26 kilometers in diameter. 
Somerville is a member of the Lixiaohua family, an outer-belt asteroid family with more than 700 known members, consisting of C-type and X-type asteroids.