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With an orbit of 1516.6700000000003 days, 101 Helena, was discovered by James Craig Watson. A Canadian, his alma mater was the University of Michigan and he died in Madison, Wisconsin.
The discoverer of 101 Helena is James Craig Watson, a Canadian national and graduate of the University of Michigan who died in Madison, Wisconsin. 101 Helena has an orbital period of 1516.6700000000003 days.
James Craig Watson was a Canadian who graduated from the University of Michigan and later died in Madison, Wisconsin. He was the discoverer of 101 Helena which has a periapsis of 331683000.0 kms.
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 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 101 Helena | discoverer | James Craig Watson James Craig Watson | alma mater | University of Michigan 101 Helena | periapsis | 331683000.0 (kilometres) James Craig Watson | nationality | Canada James Craig Watson | death place | Madison, Wisconsin