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astro-ph.EP2024
Ephemeris Reconstruction for Comet 67P/Churyumov-Gerasimenko During Rosetta Proximity Phase from Radiometric Data Analysis
Riccardo Lasagni Manghi, Marco Zannoni, Paolo Tortora +3
This study provides a continuous ephemeris reconstruction for comet 67P/Churyumov-Gerasimenko by reanalyzing Rosetta radiometric measurements and Earth-based astrometry. Given the…
gr-qc2024
Time and frequency transfers in optical spacetime
Adrien Bourgoin, Pierre Teyssandier, Paolo Tortora +1
Solving the null geodesic equations for a ray of light is a difficult task even considering a stationary spacetime. The problem becomes even more difficult if the electromagnetic s…