Sciences and Exploration Directorate

Gael Cascioli



Org Code: 698

Mail Code: 698
Greenbelt, MD 20771


Current Projects



(Venus Emissivity, Radio Science, InSAR, Topography, and Spectroscopy)

Science team collaborator (gravity science investigation)

Europa Clipper

Science team affiliate (gravity/radio science investigation)

Lunar Reconnaissance Orbiter

Remote Sensing

  • Trajectory reconstruction trough precise orbit determination
  • Radio occultations analysis


Postdoctoral Research Associate

UMBC / NASA GSFC - Greenbelt, MD

April 2022 - Present

Teaching Experience

2018 - 2020 Teaching Assistant. Department of Mechanical and Aerospace Engineering, Sapienza Università di Roma, Italy. Teaching assistant and student tutor for the course of Space Missions and Systems (Prof. L. Iess)


Ph.D, Space and Aeronautical Engineering, Sapienza Università di Roma, Italy, Winter 2021. Thesis title: "Precise orbit determination methods for the VERITAS mission to Venus". Advisor: Prof. Luciano Iess

M.Sc, Space and Astronautical Engineering, Sapienza Università di Roma, Italy, Summer 2018

B.Sc, Aerospace Engineering, Sapienza Università di Roma, Italiy, Fall 2015

Professional Societies

American Geophysical Union

2018 - Present

Professional Service

Reviewer for Icarus, Monthly Notices of the Royal Astronomical Society, Advances in Space Research, Measurement Science and Technology.



Cascioli, G., J. P. Renaud, E. Mazarico, et al. D. Durante, L. Iess, S. J. Goossens, and S. E. Smrekar. 2023. Constraining the Venus interior structure with future VERITAS measurements of the gravitational atmospheric loading The Planetary Science Journal 4 (65): [10.3847/PSJ/acc73c]

De Marchi, F., G. Cascioli, T. A. Ely, et al. L. Iess, E. A. Burt, S. Hensley, and E. Mazarico. 2023. Testing the gravitational redshift with an inner Solar System probe: The VERITAS case Physical Review D 107 064032 [10.1103/PhysRevD.107.064032]

Cascioli, G., E. Mazarico, A. J. Dombard, and F. Nimmo. 2023. Leveraging the Gravity Field Spectrum for Icy Satellite Interior Structure Determination: the case of Europa with the Europa Clipper mission The Planetary Science Journal

Withers, P., G. Cascioli, E. Mazarico, et al. T. J. Stubbs, C. Gray, D. Mao, and P. H. Phipps. 2023. Observations of a dense lunar ionosphere varying substantially on two-hour timescales Geophysical Research Letters

Molli, S., D. Durante, G.Boscagli, et al. G. Cascioli, P.Racioppa, E. Alessi, S. Simonetti, L. Vigna, and L. Iess. 2022. Design and performance of a Martian autonomous navigation system based on a smallsat constellation Acta Astronautica [10.1016/j.actaastro.2022.11.041]

Cascioli, G., D. Durante, E. Mazarico, et al. M. S. Wallace, S. Hensley, and S. E. Smrekar. 2022. Improving the VERITAS orbit reconstruction using radar tie points Journal of Spacecraft and Rockets [10.2514/1.A35499]

Cascioli, G., S. Hensley, F. De Marchi, et al. D. Breuer, D. Durante, P. Racioppa, L. Iess, E. Mazarico, and S. E. Smrekar. 2021. The Determination of the Rotational State and Interior Structure of Venus with VERITAS The Planetary Science Journal (2): 220 [10.3847/PSJ/ac26c0]

Cappuccio, P., I. di Stefano, G. Cascioli, and L. Iess. 2021. Comparison of light-time formulations in the post-Newtonian framework for the BepiColombo MORE experiment Classical and Quantum Gravity 38 (22): 227001 [10.1088/1361-6382/ac2b0a]

Petricca, F., G. Cascioli, and A. Genova. 2021. A Technique for the Analysis of Radio Occultation Data to Retrieve Atmospheric Properties and Associated Uncertainties Radio Science 56 (5): [10.1029/2020rs007205]

Cascioli, G., and A. Genova. 2021. Precise Orbit Determination Technique to Refine Spacecraft Mechanical Modeling Journal of Spacecraft and Rockets 58 (2): 581-588 [10.2514/1.a34922]

Iess, L., S. W. Asmar, P. Cappuccio, et al. G. Cascioli, F. De Marchi, I. di Stefano, A. Genova, N. Ashby, J. P. Barriot, P. Bender, C. Benedetto, J. S. Border, F. Budnik, S. Ciarcia, T. Damour, V. Dehant, G. Di Achille, A. Di Ruscio, A. Fienga, R. Formaro, S. Klioner, A. Konopliv, A. Lemaître, F. Longo, M. Mercolino, G. Mitri, V. Notaro, A. Olivieri, M. Paik, A. Palli, G. Schettino, D. Serra, L. Simone, G. Tommei, P. Tortora, T. Van Hoolst, D. Vokrouhlický, M. Watkins, X. Wu, and M. Zannoni. 2021. Gravity, Geodesy and Fundamental Physics with BepiColombo’s MORE Investigation Space Science Reviews 217 (1): 21 [10.1007/s11214-021-00800-3]

Cascioli, G., F. Petricca, and A. Genova. 2020. Mars’ atmospheric calibration of radio tracking data for precise orbit determination Acta Astronautica 177 103-110 [10.1016/j.actaastro.2020.07.019]

De Marchi, F., and G. Cascioli. 2020. Testing general relativity in the solar system: present and future perspectives Classical and Quantum Gravity 37 (9): 095007 [10.1088/1361-6382/ab6ae0]

Cascioli, G., F. D. Marchi, A. Genova, et al. L. Iess, D. E. Smith, and M. T. Zuber. 2019. The contribution of a large baseline intersatellite link to relativistic metrology 2019 IEEE 5th International Workshop on Metrology for AeroSpace (MetroAeroSpace) [10.1109/metroaerospace.2019.8869641]