planetary vs wandering

planetary is not a noun while wandering is a noun.

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

As adjectives, planetary and wandering are synonyms defined as:

Other synonyms of planetary include erratic.

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

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