Claim: Discovered on July 14, 1947, this Mars-crosser has a 2.23-year orbital period discovered by C.A. Wirtanen and was named 1747 Wright.
Evidence: 1747 Wright, provisional designation 1947 NH, is a stony asteroid and a sizable Mars-crosser, approximately 6 kilometers in diameter. It was discovered on 14 July 1947, by American astronomer Carl Wirtanen at Lick Observatory on Mount Hamilton near San Jose, California. 2.23 yr (816 days) C. A. Wirtanen 
C. A. Wirtanen 14 July 1947 Mars-crosser 2.23 yr (816 days)