[NASA] Digital Surface and Terrain Models from Vantor’s Precision3D Product Line Added to Satellite Data Explorer

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Digital Surface and Terrain Models from Vantor’s Precision3D Product Line Added to Satellite Data Explorer

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NASA’s Commercial Satellite Data Acquisition (CSDA) Program announces the addition of three digital elevation and digital terrain products from Vantor’s Precision3D Product Line to its Satellite Data Explorer (

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) data access and discovery tool.

The products include:

Digital Surface Model (DSM) at 1-meter spatial resolution		The DSM is a 3D elevation model derived from imagery captured by Vantor’s constellation of Worldview satellites. It provides precise measurements across all surfaces and terrains and is available in standard formats to facilitate integration into a range of workflows and analysis. It is suitable for a range of applications requiring detailed elevation data, such as urban planning, environmental monitoring, disaster mitigation and response, and terrain mapping.
Digital Terrain Model (DTM) at 1-meter spatial resolution		The DTM is a 3D elevation model derived from the DSM that offers bare-earth elevation data by removing above-ground features like vegetation and buildings and is designed for analyzing terrain and topography. Created with  automated processing techniques, the DTM ensures consistency across all terrain types and is available in a variety of in user-friendly formats.
Elevation Bundle (DSM + DTM) at 1-, 2-, and 4-meter spatial resolution		The Elevation Bundle, which combines the DSM and DTM products, provides a detailed view of both above-ground features and the underlying bare earth. With global coverage and high-resolution data at 1-, 2-, and 4-meter resolution, this product offers reliable elevation information in all types of terrain, making it a suitable tool for a range of applications from slope analysis to flood modeling.

“Digital Elevation Models are foundational geospatial infrastructure for NASA’s science community, and including them in the CSDA program ensures broad, consistent access to high‑quality commercial terrain data that sharpen geometric accuracy, support Earth system and hazard modeling, and extend NASA’s capabilities in support of Earth action priorities,” said Dana Ostrenga, Project Manager for the CSDA.

About SDX

The SDX allows users to search, discover, and access data acquired through the CSDA program.  The web tool offers streamlined data download, automated quota tracking, and a new coverage map that provides a high-level overview of the regions covered by of the data discoverable through the SDX for any specified month and year. Currently, SDX offers access to the EarthDEM digital elevation model created by the Polar Geospatial Center at the University of Minnesota and now Vantor (formerly Maxar). For a summary of the NASA commercial partner datasets available in SDX, visit the SDX website.

Researchers interested in accessing these data in SDX can use their 

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 for authentication and initiate data download requests. Data will be made available for download upon approval and acceptance of the end user license agreement (EULA). The use of these digital elevation and digital terrain products is governed by a United States government End User License Agreement (

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).

To order data from SDX, users must create an account with and be logged in to

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.  (The initial attempt to use SDX will redirect users to Earthdata Login, where they will be prompted to enter their Earthdata credentials and accept the terms of the EULA.) Users must agree to the terms of the EULA before any data can be requested.  Note: All data requests must be approved by CSDA data managers. 

About the CSDA Program

NASA’s Earth Science Division (ESD) established the CSDA Program to identify, evaluate, and acquire data from commercial providers that to support NASA’s Earth science research and applications. NASA recognizes the potential of commercial satellite constellations to advance Earth System Science and applications for societal benefit and believes commercially acquired data can augment the Earth observations acquired by NASA, other U.S. government agencies, and NASA’s international partners.

All data from CSDA contract-awarded vendors are evaluated by the investigator-led CSDA project teams that assess the value of adding a vendor’s data to CSDA’s data holdings based on their quality and how they might benefit in the context of NASA Earth science research and applications. To learn about the program, its commercial partners, data evaluation process, and more, visit the

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Learning Resources

For more information on the CSDA Program’s SDX, see the SDX

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Last Updated

Feb 18, 2026

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