Claim: 1393 Sofala is a Vestian asteroid discovered on 25 May 1936 at Union Observatory in Johannesburg.
Evidence: 1393 Sofala, provisional designation 1936 KD, is a Vestian asteroid from the inner regions of the asteroid belt, approximately 11 kilometers in diameter. It was discovered on 25 May 1936, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg.