This is some data: 101 Helena, orbitalPeriod, 1516.6700000000003 (days); 101 Helena, periapsis, 331683000.0 (kilometres); 101 Helena, epoch, 2006-12-31; 101 Helena, apoapsis, 441092000.0 (kilometres).

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101 Helena had an epoch date on 2006-12-31 and its apoapsis is 441092000.0 kilometres. Its periapsis is 331683000.0 mms and its orbital period is 1516.6700000000003 days.