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)
101 Helena has an apoapsis of 441092000.0 kilometres and was discovered by James Craig Watson. Watson is a Canadian National and studied at the University of Michigan and died in Madison, Wisconsin.