Nutation Properties | 
The Nutation type exposes the following members.
| Name | Description | |
|---|---|---|
| Longitude | 
            Gets the nutation in longitude, in radians.
              | |
| Obliquity | 
            Gets the nutation in obliquity, in radians.
              | |
| Omega | 
            Gets the longitude of the mean ascending node of the lunar orbit on the ecliptic plane measured
            from the mean equinox of date.
              |