"Eh... not yet," Chekov said, looking a little uncomfortable. He probably could figure out where they were, latitude and longitude-wise--if the skies weren't as unfamiliar as Commander Spock had claimed they were. Plus, Chekov didn't have any maps to compare his findings to.

"I haven't been outside during ze nighttime, you see," he explained. "And according to a few people who hawe taken a look at ze nighttime skies, ze stars and formations are not ze same as zey would be from Earth--which would suggest zat we are not in fact on Earth, but on an alien planet."

This didn't seem to bother Chekov in the slightest--possibly because that was what Starfleet did: explore other planets. It didn't occur to him that it might bother the perfect stranger commenting on his starcharts without knowing what they were.

"I am Chekov, by ze way. Pavel Andreievich Chekov," he said, smiling happily at the man.