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James Craig Watson was the discoverer of 101 Helena that has the epoch date of 31 December 2006. He was a Canadian who studied at the University of Michigan and later died in Madison, Wisconsin.
James Craig Watson was a canadian national who discovered the 101 Helena which has a orbital period of 1516.6700000000003 days. He studied at the university of Michigan and died in Madison, Wisconsin.
101 Helena | discoverer | James Craig Watson James Craig Watson | alma mater | University of Michigan 101 Helena | epoch | 2006-12-31 James Craig Watson | nationality | Canada James Craig Watson | death place | Madison, Wisconsin 101 Helena | discoverer | James Craig Watson James Craig Watson | alma mater | University of Michigan 101 Helena | orbital period | 1516.6700000000003 (days) James Craig Watson | nationality | Canada James Craig Watson | death place | Madison, Wisconsin