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About

Gwendoline Blanchet is a researcher whose work spans two critical domains in space science: space debris surveillance and satellite radiometric calibration. Based primarily at CNES (the French space agency), Blanchet has made significant contributions to the technical infrastructure that supports both space situational awareness and Earth observation data quality. Her most cited work, garnering 35 citations, introduced novel algorithms for detecting and tracking space debris using the TAROT robotic telescope network — ground-based automated systems that have monitored geostationary orbit objects since 2002. This line of research, extended through subsequent algorithm improvements, has strengthened international efforts coordinated through bodies like the Inter-Agency Space Debris Coordination Committee (IADC). Equally notable is Blanchet's contributions to on-orbit radiometric calibration, where she has helped advance the use of extra-terrestrial targets — including the Moon and stars — as absolute radiometric references for the PLEIADES-HR satellite constellation. Her 2017 work refining the ROLO lunar albedo model (21 citations) directly supports international calibration consistency initiatives through CEOS/WGCV and GSICS. Together, these contributions address two of the most pressing challenges in modern space operations: keeping orbit safe and ensuring satellite measurements remain globally reliable.