Agnès Fienga is a French astronomer working at the Institut de Mécanique Céleste et de Calcul des Éphémérides. She is active in the field of planetary

ephemerides In astronomy and celestial navigation, an ephemeris (; ; , ) is a book with tables that gives the trajectory of naturally occurring astronomical objects and artificial satellites in the sky, i.e., the position (and possibly velocity) over time. ...

generation and is a member of the

International Astronomical Union The International Astronomical Union (IAU; , UAI) is an international non-governmental organization (INGO) with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and developmen ...

(IAU). She collaborated with Dr.

E. Myles Standish Erland Myles Standish Jr. (born March 5, 1939) is a mathematical astronomer largely working in the field of solar system dynamics and celestial mechanics. He is a former professor at Yale University Yale University is a Private universit ...

in research on the

asteroids An asteroid is a minor planet—an object larger than a meteoroid that is neither a planet nor an identified comet—that orbits within the Solar System#Inner Solar System, inner Solar System or is co-orbital with Jupiter (Trojan asteroids). As ...

and their impact on the orbital motions. Fienga is also interested in using planetary motions to test gravitational theories. She has recently processed '' Cassini'' ranging data and identified an anomalous motion in

Saturn Saturn is the sixth planet from the Sun and the second largest in the Solar System, after Jupiter. It is a gas giant, with an average radius of about 9 times that of Earth. It has an eighth the average density of Earth, but is over 95 tim ...

's orbit, according to the results by Dr. Elena V. Pitjeva. According to Google Scholar, her

h-index The ''h''-index is an author-level metric that measures both the productivity and citation impact of the publications, initially used for an individual scientist or scholar. The ''h''-index correlates with success indicators such as winning t ...

as of 2025 is 43.

References

External links

Dr. Fienga webpage at IAU

A. Fienga @ UTINAM
21st-century French astronomers French women astronomers Living people Year of birth missing (living people) {{France-astronomer-stub