1933 Tinchen, a Vestian asteroid from the inner regions of the asteroid belt, was discovered by L. Kohoutek on January 14, 1972.
1933 Tinchen, provisional designation 1972 AC, is a Vestian asteroid from the inner regions of the asteroid belt, about 5 kilometers in diameter. It was discovered on 14 January 1972, by Czech astronomer Lubos Kohoutek at the Hamburger Bergedorf Observatory in Germany, who named it after his wife, Christine Kohoutek. 
1933 Tinchen, provisional designation 1972 AC, is a Vestian asteroid from the inner regions of the asteroid belt, about 5 kilometers in diameter. L. Kohoutek 14 January 1972 
