exorbitate
To go off track or orbit; to deviate.
obsolete
If the Planets had moved in those Lines above named; sometimes they would have approached to the Sun as near as the Orb of Mercury, and sometimes have exorbitated beyond the distance of Saturn
Where it comes from
From Latin exorbitatus, passive participle of exorbitare. See exorbitant.
Adapted from the Wiktionary entry exorbitate (CC BY-SA 4.0).