ConstReadonlynodalPeriod: 6798.38Nodal period in days
ReadonlynodalPeriodYears: 18.6Nodal period in years
ReadonlymeanDailyMotion: -0.0529Mean daily motion in degrees (negative = retrograde)
ReadonlymaxOscillation: 1.5Maximum oscillation of true node from mean (degrees)
Lunar Node orbital characteristics (for reference).