What does TPE stand for? Stephen May 08, 2018 19:28 Updated TPE is simply an abbreviation for The Photographer's Ephemeris®, the full name of our primary app. Related articles Useful information to include when submitting a support request How do I find the best times to view the next full moon? Using Photo Ephemeris Web, Part 1: Basics Can I run [insert app name] on my Mac? Sharing/Actions Comments 0 comments Please sign in to leave a comment.