101_Helena | orbitalPeriod | 1516.6700000000003 (days) 101_Helena | periapsis | 331683000.0 (kilometres) 101_Helena | epoch | 2006-12-31 101_Helena | apoapsis | 441092000.0 (kilometres)
101 Helena has an apoapsis of 441092000.0 kilometres and its epoch is 2006-12-31. This asteroid has a periapsis of 331683000.0 kilometres and an orbital period of 1516.6700000000003 days.