In 1739, he became a member of the French Academy of Sciences as a supernumerary adjunct astronomer, in 1741 as an adjunct astronomer, and in 1745 as a full member astronomer.
Το 1739 έγινε μέλος της Γαλλικής Ακαδημίας Επιστημών ως υπο-βοηθός αστρονόμος, το 1741 ως βοηθός αστρονόμος και το 1745 ως αστρονόμος.