101_Helena | epoch | 2006-12-31 101_Helena | mass | 3.0 (kilograms) 101_Helena | orbitalPeriod | 1516.6700000000003 (days) 101_Helena | apoapsis | 441092000.0 (kilometres)
101 Helena has a mass of 3.0 kilograms and an orbital period of, 1516.6700000000003 days. Its apoapsis is 441092000.0 kilometres and it has an epoch of 2006-12-31.