Question about the orbiting plane of the moon

[pixel01]

I know that the moon orbits the earth in a plane that inclines about 5 degrees with the earth orbting plane (around the sun). My question is does the moon orbiting plane wobble or it hold still? If it wobbles, what is the period?

[Janus]

It wobbles, or more properly, undergoes precession, with a period of 18.6 years.