International Laser Ranging Service

The International Laser Ranging Service provides global satellite and lunar laser ranging data and derived data products. Satellite and lunar laser ranging use short-pulse lasers and optical receivers to measure two-way time of flight from ground stations to retroreflector arrays on satellites and the Moon. The service supports research in geodesy, geophysics, lunar science and fundamental constants.

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0 shouts Added Sep 23, 2026 ilrs.cddis.eosdis.nasa.gov
ilrs.cddis.eosdis.nasa.gov/
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