It would seem that the Geek Lobby is strong in NASA.
The "naming themes" selected to be applied to the geological/geographical features of Pluto's Moon Charon included:
__fictional explorers/travelers
__fictional destinations
__fictional vessels
__exploration authors, artists, and directors
So, . . . on Charon one now finds, f'rinstance: Spock Crater, Kirk Crater, Kubrick Mons, and Serenity Chasma.
Here's the annotated Map of Charon.