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 Using Photo Ephemeris Web, Part 1: Basics Useful information to include when submitting a support request How do I find the best times to view the next full moon? Mobile App Purchase and Pricing Models Can I run [insert app name] on my Mac? Comments 0 comments Please sign in to leave a comment.