Landsat Missions

Download Definitive Ephemeris for Landsat 7 and Landsat 5

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Definitive Ephemeris is used for geometrically correcting Landsat data, and provides improved accuracy over predicted ephemeris.

Definitive Ephemeris files are available two days after acquisition, and can be accessed by choosing one of the options below

About

Landsat represents the world's longest continuously acquired collection of space-based moderate-resolution land remote sensing data. Four decades of imagery provides a unique resource for those who work in agriculture, geology, forestry, regional planning, education, mapping, and global change research. Landsat images are also invaluable for emergency response and disaster relief.

 

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Landsat Updates

The Landsat Update is an informal communication tool, prepared periodically and distributed electronically to USGS Landsat partners, to provide information about Landsat activities and related topics of interest.

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Page Last Modified: 11/29/16 03:03 pm
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