Download Definitive Ephemeris files - single date

Definitive Ephemeris (DE) is used for geometrically correcting Landsat data, and provides improved accuracy over predicted ephemeris. This page displays DE files used for Landsat 7 and Landsat 5. Definitive Ephemeris files for Landsat 8 can be found on Landsat 8 Definitive Ephemeris Files.

Return to Definitive Ephemeris information.

After searching a file click the file to view it or right-click and click save as to save the file to your local drive.

Option 1 - Search a single date
Option 2 - Search for multiple dates (up to 10)
Option 3 - Search within a data range