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 an orbit of 1516.6700000000003 days and an apoapsis of 441092000.0 kilometres. The epoch date is 31 December 2006 and it has a mass of 3 kgs.