Id41
Id42
The discoverer of 101 Helena is the Canadian James Craig Watson. He studied at the University of Michigan and died in Madison, Wisconsin.
101 Helena was discovered by the Canadian James Craig Watson, who died in Madison, Wisconsin. Its apoapsis is 441092000.0 kilometres.
101 Helena | discoverer | James Craig Watson James Craig Watson | alma mater | University of Michigan James Craig Watson | state of origin | Canada James Craig Watson | death place | Madison, Wisconsin 101 Helena | discoverer | James Craig Watson James Craig Watson | nationality | Canada James Craig Watson | death place | Madison, Wisconsin 101 Helena | apoapsis | 441092000.0 (kilometres)