Index - N
| Neptune | Data.Astro.Planet.PlanetDetails, Data.Astro.Planet |
| NeverRises | Data.Astro.CelestialObject.RiseSet, Data.Astro.Sun |
| numberOfCenturies | Data.Astro.Time.JulianDate |
| numberOfDays | Data.Astro.Time.JulianDate |
| numberOfYears | Data.Astro.Time.JulianDate |
| nutationLongitude | Data.Astro.Effects |
| nutationObliquity | Data.Astro.Effects |