101_Helena | discoverer | James_Craig_Watson James_Craig_Watson | almaMater | University_of_Michigan James_Craig_Watson | nationality | Canada James_Craig_Watson | deathPlace | Madison,_Wisconsin 101_Helena | apoapsis | 441092000.0 (kilometres)
The discoverer of 101 Helena is the Canadian James Craig Watson, who studied at the University of Michigan and died in Madison, Wisconsin. The apoapsis of 101 Helena is 441092000.0 kilometres.