wandering vs planetary

wandering is a noun but planetary is not a noun.

Word	Noun	Adjective	Verb	Adverb
wandering	Yes	Yes	No	No
planetary	No	Yes	No	No

As adjectives, wandering and planetary are synonyms defined as:

Other synonyms of wandering include erratic.

wandering (noun)	planetary (noun)
travelling about without any clear destination

wandering (adjective)	planetary (adjective)
of a path e.g.	of or relating to or resembling the physical or orbital characteristics of a planet or the planets
having no fixed course	of or relating to or characteristic of the planet Earth or its inhabitants
migratory	involving the entire earth; not limited or provincial in scope
	having no fixed course