planetary vs planetal

planetary and planetal both are adjectives.

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

As adjectives, planetary and planetal are synonyms defined as:

planetary and planetal: of or relating to or resembling the physical or orbital characteristics of a planet or the planets

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