Prof. Paolo Tortora

Associate Professor

Email: paolo.tortora@unibo.it

1997   M.Sc.& B.Sc., Department of Aerospace Engineering, University of Rome “la Sapienza”, Italy

Publications (Selected)

1. B. Bertotti, L. Iess, P. Tortora, “A Test of General Relativity Using Radio Links with The Cassini Spacecraft”, Nature, Vol. 425, 25 September 2003, pp. 374-376
2. J. W. Armstrong, L. Iess, P. Tortora, B. Bertotti, “Stochastic Gravitational Wave Background: Upper Limits in the 10-6 to 10-3 Hz Band”, The Astrophysical Journal, Vol. 599, 20 December 2003, pp. 806-813
3. P. Tortora, L. Iess, J.J. Bordi, J.E. Ekelund, D. Roth, “Precise Cassini Navigation During Solar Conjunctions through Multifrequency Plasma Calibrations”, Journal of Guidance, Navigation, and Control, Vol. 27, No 2, 2004, pp. 251-257.
4. S.W.Asmar, J.W.Armstrong, L.Iess, P.Tortora, “Spacecraft Doppler Tracking: Noise Budget and Accuracy Achievable in Precision Radio Science Observations” Radio Science, Vol. 40, No 2, RS2001, pp. 1-9, doi:10.1029/2004RS003101, 2005
5. P. Tortora, L. Somenzi, L. Iess, R. Licata, “Small Mission Design for Testing In-Orbit an Electrodynamic Tether Deorbiting System”, Journal of Spacecraft and Rockets, Vol. 47, No.4, 2006, pp. 883-892.
6. F. Giulietti, A.A. Quarta, P. Tortora, “Optimal Control Laws for Momentum-Wheel Desaturation Using Magnetorquers”, Journal of Guidance, Control and Dynamics, Vol. 29, No 6, 2006, pp. 1464-1468.
7. P. C. Thomas, J. W. Armstrong, S. W. Asmar, J. A. Burns, T. Denk, B. Giese, P. Helfenstein, L. Iess, T. V. Johnson, A. McEwen, L. Nicolaisen, C. Porco, N. Rappaport, J. Richardson, L. Somenzi, P. Tortora, E. P. Turtle, J. Veverka “Hyperion sponge-like appearance”, Nature, Vol. 448, 5 July 2007, pp. 50-53.
8. N. J. Rappaport, L. Iess, P. Tortora, A. Anabtawi, S. W. Asmar, L. Somenzi, and F. Zingoni “Mass and interior of Enceladus from Cassini data analysis”, Icarus, Vol. 190, Issue 1, September 2007, pp. 175-178, doi:10.1016/j.icarus.2007.03.025.
9. F. Giulietti and P. Tortora “Optimal Rotation Angle About a Nonnominal Euler Axis”, Journal of Guidance, Control, and Dynamics, Vol. 30, No. 5, 2007, pp. 1561-1563.
10. L. Iess, N. J. Rappaport, P. Tortora, J. Lunine, J. W. Armstrong, S. W. Asmar, L. Somenzi and F. Zingoni, “Gravity field and interior of Rhea from Cassini data analysis”, Icarus, Volume 190, Issue 2, October 2007, pp. 585-593
11. Mackenzie, R. A., L. Iess, P. Tortora, and N. J. Rappaport, “A non-hydrostatic Rhea”, Geophys. Res. Lett., Vol. 35, Mar. 2008, L05204, doi:10.1029/2007GL032898, pp. 1-5
12. N. J. Rappaport, L. Iess, J. Wahr, J. I. Lunine, J. W. Armstrong, S. W. Asmar, P. Tortora, M. Di Benedetto and P. Racioppa, “Can Cassini detect a subsurface ocean in Titan from gravity measurements?”, Icarus, Volume 194, Issue 2, April 2008, pp. 711-720
13. Armstrong, J. W., F. B. Estabrook, S. W. Asmar, L. Iess, and P. Tortora, “Reducing antenna mechanical noise in precision spacecraft tracking”, Radio Science, Vol. 43, No 3, June 2008, RS3010, doi:10.1029/2007RS003766
14. A. Graziani, R. Bertacin, P.Tortora, “Detection of the Multipath Effect in the ING2 GPS Station with a New Developed Software”, EUREF 2009 Symposium, 27-30 May 2009, Florence, Italy.
15. L. Iess, N. J. Rappaport, R. A. Jacobson, P. Racioppa, D. J. Stevenson, P. Tortora, J. W. Armstrong, S. W. Asmar, “Gravity Field, Shape, and Moment of Inertia of Titan”, Science, 327, 1367 (2010), DOI: 10.1126/science.1182583.