retrieve landsat-derived earth imagery and asset metadata via the nasa earth api
domain: api.nasa.gov · 4 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Obtain an api.nasa.gov API key.
Call GET https://api.nasa.gov/planetary/earth/assets?lon=LON&lat=LAT&date=YYYY-MM-DD&dim=0.1&api_key=KEY to check what Landsat 8 imagery assets exist near a date/location and get a specific image identifier.
Call GET https://api.nasa.gov/planetary/earth/imagery?lon=LON&lat=LAT&date=YYYY-MM-DD&dim=0.1&api_key=KEY to retrieve the actual pan-sharpened image (the service looks back up to ~30 days for the closest available scene).
Adjust dim (square image width in degrees) to control the returned image footprint.
Known gotchas
NASA documents this Earth imagery endpoint as a simple demo built on Google Earth Engine/Landsat 8 only — not recommended for production; for real Landsat production use, prefer USGS M2M or Earth Search STAC.
The API can silently return no usable imagery if no clear Landsat 8 scene exists within the lookback window near the requested date.
Coordinates and dim must stay within reasonable bounds; overly small dim values can return no data if no Landsat footprint aligns.
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