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Linda Spilker's Picture
Address:
Jet Propulsion Laboratory
M/S 230-205
4800 Oak Grove Drive
Pasadena, CA 91109
Phone:
818.354.1647
Fax:
818.393.4495
Email:
Curriculum Vitae:

Linda Spilker
Cassini Project Scientist

Education
  • B.A. in Physics, California State University, Fullerton (1977)
  • M.S. in Physics, California State University, Los Angeles (1983)
  • Ph.D. in (summa cum laude), Geophysics and Space Physics UCLA (1992)

Research Interests
  • Thermal infrared studies of Saturn's rings to address questions of ring evolution
  • Numerical modeling of gravitational waves and wakes in Saturn's rings to estimate local surface mass density and ring mass
  • Acquisition and interpretation of Cassini Composite Infrared Spectrometer (CIRS) data to determine ring dynamics from thermal behavior as a function of solar and ring geometry

Projects

Cassini-Huygens Icon Cassini-Huygens
The Cassini-Huygens spacecraft is currently exploring the ringed planet, its mysterious moons, the stunning rings and its complex magnetic environment.


Professional Experience
Jet Propulsion Laboratory (1977-present)
    Project Work
  • Cassini Project Scientist (2010 - Present)
  • Cassini Deputy Project Scientist (1997 - 2010)
  • Cassini Mission Scientist (1990 - 1997)
  • Cassini CIRS Investigation Scientist (1990 - 1992)
  • Cassini Assistant Study Scientist (1988 - 1990)
  • Hermes Discovery Mission Proposal Deputy Principal Investigator (1993 - 1998)
  • Voyager IRIS Experiment Representative (1979 - 1990)
  • Voyager IRIS Assistant Experiment Representative (1977 - 1979)
    • Science Work
  • Cassini Composite Infrared Spectrometer (CIRS) Co-Investigator (1990 - present)
  • Visiting Scientist at University of Paris 7 (2001, 2010)
  • Principal Investigator, Cassini Data Analysis Program (CDAP) (2009 - 2012 )
  • Principal Investigator for Ring Structure and Dynamics, OPR (2004 - 2006)
  • Principal Investigator for Planetary Ring Studies in PG&G (1993 - 1997, 1999 - 2002)
  • Co-Investigator on Coherent backscatter opposition effect in PG&G (1990 - 1997)
  • Co-Investigator on compositional mapping of Io using mutual satellite occultations (1990 - 1991)
  • Voyager Photopolarimeter (PPS) Science Associate (1984 - 1990)
  • Voyager Infrared Radiometer & Spectrometer (IRIS) Science Associate (1988 - 1990)
  • Research Assistant, Geology Department, California Institute of Technology (1975 - 1977)


    Selected Awards
    • NASA Exceptional Service Medal (2013)
  • NASA Group Achievement Award Cassini Solstice Pre-Integration Team (2011)
  • NASA Group Achievement Awards for Cassini CIRS Team, Cassini Outreach, Cassini Ring Working Group, Cassini Saturn Working Group, Cassini Magnetospheres Working Group, Cassini Project Management (2009)
  • Distinguished Alumna Award from California State University, Fullerton (2005)
  • NASA Group Achievement Award for Cassini Jupiter Flyby (2000)
  • Hall of Fame Award, Placentia-Yorba Linda Unified School District (1999)
  • Two NASA Group Achievement Awards, Cassini CIRS and Cassini Public Outreach (1998)
  • ESA Award for contribution to Huygens Probe (1997)
  • Distinguished Alumna Award for Natural & Social Sciences from California State University at Los Angeles (1996)
  • NASA Exceptional Service Medal, Voyager IRIS Neptune Encounter (1990)
  • NASA Scientific Achievement Award (1982)
  • Seven (7) NASA Group Achievement Awards for Voyager Mission (1982 - 1989)
  • California State University Fullerton Dept. of Physics Faculty Prize for Scholarship (1977)

  • Selected Publications
    1. Morishima, R., L. Spilker, H. Salo, K. Ohtsuki, N. Altobelli, S. Pilorz. A multilayer model for thermal infrared emission of Saturn's rings II: Albedo, spins, and vertical mixing of rings. 2010, Icarus, Volume 210, Issue 1, 330-345.
    2. Flandes, A., L. Spilker, , R. Morishima, S. Pilorz, C. Leyrat, N. Altobelli, S. Brooks, S. Edgington, Brightness properties of Saturn's rings with decreasing solar elevation, 2010, Planetary and Space Science, Volume 58, Issue 13, 1758 - 1765.
    3. Cuzzi, J.N., J. A. Burns, S. Charnoz, R. N. Clark, J. E. Colwell, L. Dones, L. W. Esposito, G. Filacchione, R. G. French, M. M. Hedman, S. Kempf, E. A. Marouf, C. D. Murray, P. D. Nicholson, C. C. Porco, J. Schmidt, M. R. Showalter, L. J. Spilker, J. N. Spitale, R. Srama, M. Sremčević, M. S. Tiscareno, J. Weiss. An Evolving View of Saturn's Dynamic Rings. 2010. Science, Volume 327, 1470 -
    4. Cuzzi, J, R. Clark, G. Filacchione, R. French, R. Johnson, E. Marouf, L. Spilker. Ring Particle Composition and Size Distribution, 2009, in M. Dougherty, L. Esposito and T. Krimigis, eds., Saturn from Cassini-Huygens, Dordrecht, Springer, ISBN 978-1-4020-9216-9, 459 - 509.
    5. Altobelli, N., L. Spilker, C. Leyrat, S. Pilorz, S. Edgington, A. Flandes, Thermal phase curves observed in Saturn's main rings by Cassini CIRS. Vol. 36, L10105, 2009.
    6. Coustenis, A. et al., TandEM: Titan and Enceladus mission, Exp. Astron, 2009, 23:893-946.
    7. Ferrari, C., Brooks S., Edgington S., Leyrat C., Pilorz S. and Spilker L., Structure of self-gravity wakes in Saturn's A ring as measured by Cassini CIRS, 2009, Icarus, Volume 199, Issue 1, 145-153.
    8. Spilker, L. Saturn Revolution. 2008. Astronomy Vol. 36, No. 10, 34 - 39.
    9. Leyrat C., Ferrari C., Charnoz S., Decriem J., Spilker L. J., Pilorz S. H., Spinning particles in Saturn's C ring: Pre-Cassini results, 2008, Icarus, Volume 196, Issue 2, p. 625-641.
    10. Altobelli, N., L. J. Spilker, C. Leyrat, S. Pilorz, 2008. Thermal observations of Saturn's main rings by Cassini CIRS: Phase, emission and solar elevation dependence, Planetary and Space Science, 56, 134-146.
    11. Leyrat, C., L. J. Spilker, N. Altobelli, S. Pilorz, C. Ferrari, 2008. Infrared observations of Saturn's rings by Cassini CIRS : Phase angle and local time dependence, Planetary and Space Science, 56 (2008) 117-133.
    12. Coustenis, A., S. Atreya, C. Ferrari, L. Spilker. 2008. Surfaces and atmospheres of the outer planets, their satellites and ring systems. Planetary and Space Science, 56, 1-2.
    13. Altobelli, N., L. Spilker, S. Pilorz, S. Brooks, S. Edgington, B. Wallis, M. Flasar, 2007. C ring fine structures revealed in the thermal infrared, Icarus, 191, 691-701.
    14. Spilker, L. J., S. H. Pilorz, B. D. Wallis, J. C. Pearl, J. N. Cuzzi, S. M. Brooks, N. Altobelli, S. G. Edgington, M. Showalter, F. M. Flasar, C. Ferrari, C. Leyrat, 2006. Cassini Thermal Observations of Saturn's main rings: Implications for particle rotation and vertical mixing, Planetary and Space Science, 54, Issue 12, 1167-1176.
    15. Spilker, L.J. 2006. Close Encounters with Saturn. 2006 Science Year, World Book, Inc., 12-27. Lead Article.
    16. Coustenis, Athena; Atreya, Sushil; Ferrari, Cécile; Lebreton, Jean-Pierre; Matson, Dennis; Spilker, Linda; Strobel, Darrell. 2006. Surfaces and atmospheres of the outer planets, their satellites and ring systems. Planetary and Space Science, 54, 1115-1116.
    17. Miner, E.D., Matson, D. L., and Spilker, L.J. 2006. Cassini at Saturn: The First Results. Chapter 9 in Solar System Update, Praxis Publishing, Ltd., 217 - 249.
    18. Spencer, J. R.; J. C. Pearl, M. Segura, F. M. Flasar, A. Mamoutkine, P. Romani, B. J. Buratti, A. R. Hendrix, L. J. Spilker, R. M. Lopes, 2006. Cassini Encounters Enceladus: Background and the Discovery of a South Polar Hot Spot. Science, Vol. 311, Issue 5766, 1401-1405.
    19. Spilker, L., S. Pilorz, B. Wallis, S. Edgington, S. Brooks, J. Pearl, J., F. Flasar, 2005. Cassini CIRS Observations of a Roll-off in Saturn Ring Spectra at Submillimeter Wavelengths. Earth, Moon and Planets, Volume 96, Issue 3-4, 149-163.
    20. Coustenis, A., C. Ferrari, S. K. Atreya, L. J. Spilker, 2005. Special issue on the "Surfaces and atmospheres of the outer planets, their satellites and ring systems". Planetary and Space Science, Vol. 53, Issue 5, 459-460.
    21. Flasar, F. M., L. J. Spilker,..., 2005. Titan's Atmospheric Temperatures, Winds, and Composition. Science, Vol. 308, Issue 5724, 975-978.
    22. Flasar, F. M.. ... L. J. Spilker,... 2005. Temperatures, Winds, and Composition in the Saturnian System. Science, Vol. 307, Issue 5713, 1247-1251.
    23. Spilker, L.J., S. Pilorz, A.L. Lane, R.M. Nelson B. Pollard, and C. T. Russell. 2004. Saturn A ring surface mass densities from spiral density wave dispersion behavior. Icarus 171, 372 - 390.
    24. Hansen, C. J., S. J. Bolton, D. L. Matson, L. J. Spilker, J.-P. Lebreton, 2004. The Cassini-Huygens flyby of Jupiter. Icarus, Vol. 172, Issue 1, 1-8.
    25. Bolton, S. J., C. J. Hansen, D. L. Matson, L. J. Spilker, J.-P. Lebreton, 2004. Cassini/Huygens flyby of the Jovian system. Journal of Geophysical Research, Vol. 109, Issue A9.
    26. Coustenis, A., L. J. Spilker, S. Atreya, C. Ferrari, 2004. Surfaces and atmospheres of the outer planets, their satellites and ring systems. Planetary and Space Science, Volume 51, Issue 14-15, 1-2.
    27. Flasar, F.M. ..., L.J. Spilker... and Cassini CIRS team. 2004. An intense stratospheric jet on Jupiter. Nature, Vol. 427, 132-135.
    28. Kunde, V. G. ..., L.J. Spilker... and Cassini CIRS team. 2004. Jupiter's atmospheric composition from the Cassini thermal infrared spectroscopy experiment. Science, Vol. 305, Issue 5690, 1582-1587.
    29. Flasar, F.M., ... L.J. Spilker, and Cassini CIRS team. 2004. Exploring the Saturn System in the thermal infrared: The Composite Infrared Spectrometer. Space Science Rev., Vol. 114, Nos. 1-4, Kluwer Academic Publishers, 169-297.
    30. Lebreton, J.-P.; Sollazzo, C.; Blancquaert, T.; Witasse, O.; Huygens Mission Team; Maize, E.; Matson, D.; Mitchell, R.; Spilker, L.; Flamini, E.; Talevi, M. 2004. High ambitions for an outstanding planetary mission: Cassini-Huygens. ESA Bulletin, No. 120, 10 - 21.
    31. Spilker, L.J., C. Ferrari, J. Cuzzi, M. Showalter, J. Pearl and B. Wallis. 2003. Saturn's Rings in the Thermal Infrared. Planetary and Space Science (Special Issue: Surfaces and Atmospheres of the Outer Planets, their Satellites and Ring Systems), Vol. 51, Issues 14-15, 929-935.
    32. Matson, D.L., L.J. Spilker and J-P. Lebreton. 2003. The Cassini/Huygens Mission to the Saturnian System. The Cassini-Huygens Mission, Vol. 1, Space Sci. Rev., Vol. 104, Nos. 1-4, Kluwer Academic Publishers, 1-58.
    33. Cuzzi, J. N., J. E. Colwell, L. W. Esposito, C. C. Porco, C. D. Murray, P. D. Nicholson, L. Spilker, E. A. Marouf, R. C. French, N. Rappaport, and D. Muhleman 2003. Saturn's Rings: Pre-Cassini Status and Mission Goals. The Cassini-Huygens Mission, Vol. 1, Space Sci. Rev., Vol. 104, Nos. 1-4, Kluwer Academic Publishers, 191-208.
    34. Nelson, R.M., B.W. Hapke, W.D. Smythe, and L.J. Horn. 1998. Phase curves of selected particulate materials: The contribution of coherent backscattering to the opposition surge. Icarus 131, 223-230.
    35. Spilker, L.J., Ed., 1997. Passage to a Ringed World, NASA SP-533.
    36. Spilker, L.J., Ed. 1997. Cassini/Huygens: A Mission to the Saturnian System. SPIE Vol. 2803.
    37. Horn, L.J., 1997, Planetary rings, in Encyclopedia of Planetary Sciences, ed. J.H. Shirley and R.W. Fairbridge, Chapman & Hall, 602-607.
    38. Horn, L.J. and J.N. Cuzzi. 1996. Characteristic wavelengths of irregular structure in Saturn's B ring. Icarus, 119, 285-310.
    39. Horn, L.J., M.R. Showalter, and C.T. Russell. 1996. Detection and behavior of Pan wakes. Icarus, 124, 663-676.
    40. Horn, L.J., R.M. Nelson, W.D. Smythe, and B.W. Hapke. 1996. Coherent backscatter opposition effect from Saturn ring particles and their regoliths. Physics, Chemistry and Dynamics of Interplanetary Dust, ASP Conference Series, Volume 104, Bo A.S. Gustafson and Martha S. Hanner, eds., pp. 443-446.
    41. Nelson, R.M., B.D. Wallis, E.S. Barker, L.J. Horn, W.D. Smythe, A.L. Lane, B.W. Hapke. 1996. Compositional mapping of Jupiter's satellite Io utilizing high speed multifilter photometry during mutual satellite occultations, 1990-1991. Icarus, 123, 568-577.
    42. Kunde, V.G.,... L.J. Horn, and Cassini CIRS team. 1996. Cassini Infrared Fourier Spectroscopic Investigation. SPIE Vol. 2803.
    43. Horn, L.J., Ed. 1996 Cassini/Huygens: A Mission to the Saturnian System. SPIE Vol. 2803.
    44. Nelson, R.M., A.L. Lane, M.E. Morrill, L.J. Horn, and B.J. Buratti. 1992. The brightness of Jupiter's satellite Io following emergence from eclipse: Selected observations, 1981-1989. Icarus, 101, 223-233.
    45. Hui, J., L.J. Horn, and A.L. Lane. 1991. Particle sizes of the Uranian delta ring's inner diffuse companion through comparison of RSS and PPS Voyager occultation data. Icarus, 93, 347-353.
    46. Colwell, J.E., L.J. Horn, A.L. Lane, L.W. Esposito, P.A. Yanamandra-Fisher, S.H. Pilorz, K.E. Simmons, M.D. Morrison, C.W. Hord, R.M. Nelson, B.D. Wallis, R.A. West, and B.J. Buratti. 1990. Voyager photopolarimeter observations of Uranian ring occultations. Icarus, 83, 102-125.
    47. Horn, L.J., J. Hui, A.L. Lane, and J.E. Colwell. 1990. Observations of Neptunian rings by the Voyager photopolarimeter. GRL, 17(10), 1745-1748.
    48. Nelson, R.M., W.D. Smythe, B.D. Wallis, L.J. Horn, A.L. Lane, and M.J. Mayo. 1990. Temperature and thermal emissivity of the surface of Neptune's satellite Triton. Science, 250, 429-431.
    49. Nelson, R.M., B.J. Buratti, B.D. Wallis, W.D. Smythe, L.J. Horn, A.L. Lane, and M.J. Mayo. 1990. Spectral geometric albedo and bolometric bond albedo of Neptune's satellite, Triton from Voyager observations. Geophys. Res. Let., 17, 1761-1764.
    50. Conrath, B., F.M. Flasar, R. Hanel, V. Kunde, M. Maguire, J. Pearl, J. Pirraglia, R. Samuelson, P. Gierasch, A. Weir, B. Bezard, D. Gautier, D. Cruikshank, L.J. Horn, R. Springer, and W. Shaffer. 1989. Infrared observations of the Neptunian system. Science, 246, 1454-1459.
    51. Lane, A.L., R. West, C. Hord, R. Nelson, K. Simmons, W. Pryor, L. Esposito, L. Horn, B. Wallis, B. Buratti, T. Brophy, P. Yanamandra-Fisher, J. Colwell, D. Bliss, M. Mayo, and W. Smythe. 1989. Photometry from Voyager 2: Initial results from the Neptunian atmosphere, satellites and rings. Science, 246, 1450-1454.
    52. Horn, L.J., P.A. Yanamandra-Fisher, L.W. Esposito, and A.L. Lane. 1988. Physical properties of Uranian delta ring from a possible density wave. Icarus, 76, 485-492.
    53. Hanel, R., B. Conrath, F. M. Flasar, V. Kunde, W. Maguire, J. Pearl, J. Pirraglia, R. Samuelson, D. Cruikshank, D. Gautier, P. Gierasch, L.J. Horn, and P. Schulte. 1986. Infrared observations of the Uranian system. Science, 233,70-74.
    54. Lane, A.L., C.W. Hord, R.A. West, L.W. Esposito, K.E. Simmons, R.M. Nelson, B.D. Wallis, B.J. Buratti, L.J. Horn, A.L. Graps, and W.R. Pryor. 1986. Photometry from Voyager 2: Initial results from the Uranian atmosphere, satellites and rings. Science, 23, 65-70.
    55. Graps, A.L., A.L. Lane, L.J. Horn, and K.E. Simmons. 1984. Evidence for material between Saturn's A and F rings from Voyager 2 photopolarimeter experiment. Icarus, 60, 409-415.
    56. Hanel, R., B. Conrath, F. Flasar, V. Kunde, W. Maguire, J. Pearl, R. Samuelson, D. Cruikshank, D. Gautier, P. Gierasch, L.J. Horn, and C. Ponnamperuma. 1982. Infrared observations of the Saturnian system from Voyager 2. Science, 215, 544-548.
    57. Hanel, R., B. Conrath, F.M. Flasar, V. Kunde, W. Maguire, J. Pearl, J. Pirraglia, R. Samuelson, L. Herath, M. Allison, D. Cruikshank, D. Gautier, P. Gierasch, L.J. Horn, R. Koppany and C. Ponnamperuma. 1981. Infrared observations of the Saturnian sys¬tem from Voyager 1. Science, 212, 192-200.
    58. Hanel, R., B. Conrath, M. Flasar, L. Herath, V. Kunde, P. Lowman, W. Maguire, J. Pearl, J. Pirraglia, R. Samuelson, D. Gautier, P. Gierasch, S. Kumar, L.J. Horn, and C. Ponnamperuma. 1979. Infrared observations of the Jovian system from Voyager 2. Science, 206, 952-956.
    59. Woolum, D., Bies-Horn, L., Burnett, D., August, L.S. 1979. Bismuth and 208Pb microdistributions in enstatite condrites. Geochimica et Cosmochima Acta Vol. 43, 1819-1828.

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