101 Helena was discovered by James Craig Watson, a Canadian, on December 31, 2006. He died in Madison, Wisconsin.
Canadian national, James Craig Watson (died in Madison, Wisconsin), discovered 101 Helena, which has the epoch on, 2006-12-31.
101 Helena | discoverer | James Craig Watson 101 Helena | epoch | 2006-12-31 James Craig Watson | nationality | Canada James Craig Watson | death place | Madison, Wisconsin 101 Helena | discoverer | James Craig Watson 101 Helena | epoch | 2006-12-31 James Craig Watson | nationality | Canada James Craig Watson | death place | Madison, Wisconsin