Jupiterian is likely misspelled.
Jupiterian has no English definition.
As an adjective Jovian is
pertaining to Jove or Jupiter, the Roman deity; Jove-like; befitting Jupiter.
As a noun Jovian is
an imaginary inhabitant of the planet Jupiter.
As a proper noun Jovian is
Flavius Jovianus, a Roman emperor.
jupiterian
Not English
Jupiterian has no English definition. It may be misspelled. jovian
English
Adjective
(
en adjective)
Pertaining to Jove or Jupiter, the Roman deity; Jove-like; befitting Jupiter.
Pertaining to the planet Jupiter.
Noun
(
en noun)
(science fiction) An imaginary inhabitant of the planet Jupiter.
Derived terms
* Epistellar Jovian