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Lance Benner's Picture
Address:
Jet Propulsion Laboratory
M/S 300-233
4800 Oak Grove Drive
Pasadena, CA 91109
Phone:
818.354.7412
Fax:
818.354.9476
Email:

Lance Benner

Education
  • A. B. in Physics, Cornell University (1987)
  • Ph. D. in Earth and Planetary Sciences, Washington University, St. Louis (1994)

Research Interests
  • Radar imaging of near-Earth and main-belt asteroids
  • Inversion of delay-Doppler radar images to reconstruct 3-D asteroid shapes and spin vectors
  • Orbital dynamics of captured satellites in the outer solar system
  • Visual observations of meteor streams

Professional Experience
  • Jet Propulsion Laboratory (1998-present)
    • Research Scientist (2003-present)
    • Scientist (1998-2003)
  • National Research Council Resident Research Associate, Jet Propulsion Laboratory (1995-1998)
  • Postdoctoral Research Associate, Earth and Planetary Sciences, Washington University (1994-1995)

Selected Awards
  • NASA Group Achievement Award, The Goldstone Solar System Radar YU55 Team (2012)
  • NASA Group Achievement Award Near Earth Objects Observation Program Team (2011)
  • JPL Outstanding Accomplishment Award (1999, 2006)
  • U.S. Army, Navy, and Air Force award for participation in the 40th National Junior Science and Humanities Symposium, San Diego, CA (2002)
  • NASA Group Achievement Award: SOHO Recovery Team (1999)
  • National Research Council Postdoctoral Fellowship (1995-1998)
  • NASA Graduate Student Researchers Fellowship (1990-1993)
  • Washington University Earth and Planetary Sciences Teaching Assistant Award (1990)
  • Washington University Wheeler Fellowship (1988-1989)

Selected Publications
  1. Brozovic, M., L. A. M. Benner, M. C. Nolan, E. S. Howell, P. A. Taylor, C. Magri, D. J. Scheeres, J. D. Giorgini, J. T. Pollock, P. Pravec, A. Galad, M. W. Busch, J. L. Margot, M. K. Shepard, D. E. Reichart, K. M. Ivarsen, J. B. Haislip, A. P. LaCluyze, J. Jao, M. A. Slade, K. J. Lawrence, and M. D. Hicks. Radar observations and physical modeling of triple near-Earth asteroid (136617) 1994 CC. Icarus, submitted.
  2. Barucci, M. A., A. Cheng, P. Michel, L. A. M. Benner, R. P. Binzel, P. A. Bland, H. Boehnhardt, J. R. Brucato, A. Campo-Bagatin, P. Cerroni, E. Dotto, A. Fitzsimmons, I. A. Franchi, S. F. Green, L. M. Lara, J. Licandro, B. Marty, K. Muinonen, A. Nathues, J. Oberst, A. S. Rivkin, F. Robert, R. Saladino, J. M. Trigo-Rodriguez, S. Ulamec, and M. Zolensky. Marco Polo-R: Near-Earth Asteroid Sample Return Mission. Submitted to Experimental Astronomy.
  3. Fang, J., J. L. Margot, M. Brozovic, M. C. Nolan, L. A. M. Benner, and P. A. Taylor. Orbits of near-Earth asteroid triples 2001 SN263 and 1994 CC: Properties, origin, and evolution. Astronomical Journal 141, 154 (2011).
  4. Magri, C., E. S. Howell, M. C. Nolan, P. A. Taylor, Y. R. Fernandez, M. Mueller, R. J. Vervack, L. A. M. Benner, J. D. Giorgini, S. J. Ostro, D. J. Scheeres, M. D. Hicks, H. Rhoades, J. M. Somers, N. M. Gaftonyuk, V. V. Kouprianov, Y. N. Krugly, I. E. Molotov, M. W. Busch, J. L. Margot, V. Benishek, V. Protich-Benishek, A. Galad, D. Higgins, P. Kusnirak, and D. P. Pray. Radar and photometric observations and shape modeling of contact binary near-Earth asteroid (8567) 1996 HW1. Icarus, in press.
  5. Busch, M. W., S. J. Ostro, L. A. M. Benner, M. Brozovic, J. D. Giorgini, J. S. Jao, D. J. Scheeres, C. Magri, M. C. Nolan, E. S. Howell, P. A. Taylor, J. L. Margot, and W. Brisken. Radar observations and the shape of near-Earth asteroid 2008 EV5. Icarus, 212, 649-660 (2011).
  6. Slade, M. A., L. A. M. Benner, and A. Silva. Goldstone Solar System Radar Observatory: Earth-based planetary mission support and unique science results. Proceedings IEEE, 99, 757-769 (2011).
  7. Busch, M. W., S. R. Kulkarni, W. Brisken, S. J. Ostro, L. A. M. Benner, J. D. Giorgini, and M. C. Nolan. Determining asteroid spin states using radar speckles. Icarus 210, 535-541.
  8. Committee to Review Near-Earth Object Surveys and Hazard Mitigation Strategies, Space Studies Board, National Research Council of the National Academies. "Defending Planet Earth: Near-Earth Object Surveys and Hazard Mitigation Strategies Final Report. " Washington, D.C., National Academies Press. 149 pp. (L. A. M. Benner, co-author)
  9. Brozovic, M, L. A. M. Benner, C. Magri, S. J. Ostro, D. J. Scheeres, J. D. Giorgini, M. C. Nolan, J. L. Margot, R. F. Jurgens, R. Rose, R. S. Hudson. Radar observations and a physical model of contact binary asteroid 4486 Mithra 2010. Icarus 208, 207-220.
  10. Shepard, M. K., B. E. Clark, M. Ockert-Bell, M. C. Nolan, E. S. Howell, C. Magri, J. D. Giorgini, L. A. M. Benner, S. J. Ostro, A. W. Harris, B. D. Warner, R. D. Stephens, and M. Mueller. A radar survey of M- and X-class asteroids 2010. II. Summary and synthesis. Icarus 208, 221-237.
  11. Ostro, S. J., C. Magri, L. A. M. Benner, J. D. Giorgini, M. C. Nolan, A. A. Hine, M. W. Busch, and J. L. Margot. Radar imaging of asteroid 7 Iris. 2010, Icarus 207, 285-294.
  12. Behrend, R., F. Manzini, A. Klotz, F. Colas, Y. Damerdji, S. J. Ostro, P. Antonini,E. Barbotin, L. A. M. Benner, L. Bernasconi, C. Cavadore, S. Charbonnel, J. Coloma, R. Crippa, G. Farroni, B. Koff, F. Kugel, J. D. Giorgini, A. A. Hine, A. Leroy, J.-M. Llapasset, C. Magri, J.-L. Margot, M. C. Nolan, A. Oksanen, P. Paakkonen, R. Poncy, R. Roy, M. K. Shepard, and D. Starkey. Discovery of the binary nature of the Mars-crosser (1139) Atami. Submitted to Astronomy & strophysics.
  13. Brozovic, M., S. J. Ostro, L. A. M. Benner, J. D. Giorgini, R. F. Jurgens, R. Rose, M. C. Nolan, A. A. Hine, C. Magri, D. J. Scheeres, and J. L. Margot. Radar observations and a physical model of Asteroid 4660 Nereus, a prime space mission target. Icarus, 201, 153-166 (2009).
  14. Benner, L. A. M., S. J. Ostro, C. Magri, M. C. Nolan, E. S. Howell, J. D. Giorgini, J. L. Margot, M. W. Busch, M. K. Shepard, P. A. Taylor, and R. F. Jurgens. Near-Earth asteroid surface roughness depends on compositional class. Icarus, 198, 294-304 (2008).
  15. Busch, M. W., L. A. M. Benner, S. J. Ostro, J. D. Giorgini, R. F. Jurgens, D. J. Scheeres, C. Magri, M. C. Nolan, and A. A. Hine. Physical properties of near-Earth asteroid 33342 (1998 WT24). Icarus, 195, 614-621 (2008).
  16. Shepard, M. K., K. M. Kressler, B. E. Clark, M. E. Ockert-Bell, M. C. Nolan, E. S. Howell, C. Magri, J. D. Giorgini, L. A. M. Benner, and S. J. Ostro. Radar observations of E-class asteroids 44 Nysa and 434 Hungaria, 2008. Icarus, 195, 220-225.
  17. Shepard, M. K., B. E. Clark, M. C. Nolan, E. S. Howell, C. Magri, J. D. Giorgini, L. A. M. Benner, S. J. Ostro, A. W. Harris, B. D. Warner, P. Pravec, M. Fauerbach, T. Bennett, A. Klotz, R. Behrend, H. Correia, J. Coloma, S. Casulli, and A. Rivkin. A radar survey of X- and M-class asteroids, 2008. Icarus, 195, 184-205.
  18. Giorgini, J.D., L. A. M. Benner, S. J. Ostro, M. C. Nolan, and M. W. Busch 2008.Predicting the Earth encounters of (99942) Apophis. Icarus 193, 1-19.
  19. Ostro, S. J., J. D. Giorgini, and L. A. M. Benner 2007. Radar reconnaissance of near-Earth asteroids. In "Near-Earth Objects, our Celestial Neighbors: Opportunity and Risk." Proceedings IAU Symposium No. 236 (A. Milani, G. B. Valsecchi, and D. Vokrouhlicky, Eds.), Cambridge University Press, pp. 143-150.
  20. Busch, M. W., J. D. Giorgini, S. J. Ostro, L. A. M. Benner, R. F. Jurgens, R. Rose, M. D. Hicks, P. Pravec, P. Kusnirak, M. J. Ireland, D. J. Scheeres, S. D. Broschart, C. Magri, M. C. Nolan, and A. A. Hine 2007. Physical modeling of near-Earth asteroid (29075) 1950 DA. Icarus 190, 608-621.
  21. Taylor, P. A., J. L. Margot, D. Vokrouhlicky, D. J. Scheeres, P. Pravec, S. C. Lowry, A. Fitzsimmons, M. C. Nolan, S. J. Ostro, L. A. M. Benner, J. D. Giorgini, and C. Magri. Spin rate of asteroid 54509 (2000 PH5): Increasing due to the YORP effect. Science 316, 274-277.
  22. Shepard, M. K., B. E. Clark, M. C. Nolan, L. A. M. Benner, S. J. Ostro, J. D. Giorgini, F. Vilas, K. Jarvis, S. Lederer, L. Lim, T. McConnochie, J. F. Bell, J. L. Margot, A. S. Rivkin, and P. Pravec 2008. Multi-wavelength observations of asteroid 2100 Ra-Shalom. Icarus 193, 20-38.
  23. Harmon, J. K., M. C. Nolan, J. L. Margot, D. B. Campbell, L. A. M. Benner, and J. D. Giorgini 2006. Radar observations of comet P/2005 JQ5 (Catalina). Icarus 184, 285-288.
  24. Busch, M. W., S. J. Ostro, L. A. M. Benner, J. D. Giorgini, C. Magri, E. S. Howell, M. C. Nolan, A. A. Hine, D. B. Campbell, I. I. Shapiro, and J. F. Chandler 2007. Arecibo radar observations of Phobos and Deimos. Icarus 186, 581-584.
  25. Magri, C., S. J. Ostro, D. J. Scheeres, M. C. Nolan, J. D. Giorgini, L. A. M. Benner, and J. L. Margot 2006. Radar observations of asteroid 1580 Betulia in 2002. Icarus 186, 152-177. NEW PUBLICATIONS
  26. Ostro, S. J., J. L. Margot, L. A. M. Benner, J. D. Giorgini, D. J. Scheeres, E. G. Fahnestock, S. B. Broschart, J. Bellerose, M. C. Nolan, C. Magri, P. Pravec, P. Scheirich, R. Rose, R. F. Jurgens, E. M. De Jong, and S. Suzuki 2006. Radar imaging of binary near-Earth asteroid (66391) 1999 KW4. Science 314, 1276-1280.
  27. Scheeres, D. J., E. G. Fahnestock, S. J. Ostro, J. L. Margot, L. A. M. Benner, S. B. Broschart, J. Bellerose, J. D. Giorgini, M. C. Nolan, C. Magri, P. Pravec, P. Scheirich, R. Rose, R. F. Jurgens, E. M. De Jong, and S. Suzuki 2006. Dynamical configuration of binary near-Earth asteroid (66391) 1999 KW4. Science 314, 1280-1283.
  28. Shepard, M. K., J. L. Margot, M. C. Nolan, J. Schlieder, B. Estes, S. J. Bus, A. S. Rivkin, L. A. M. Benner, J. D. Giorgini, S. J. Ostro, and M. W. Busch 2006. Radar and infrared observations of binary near-Earth asteroid 2002 CE26. Icarus 184, 198-210.
  29. Benner, L. A. M., M. C. Nolan, S. J. Ostro, J. D. Giorgini, C. Magri, and J. L. Margot 2006. Near-Earth asteroid 2005 CR37: Radar images and photometry of a candidate contact binary. Icarus, 182, 474-481.
  30. Busch, M. W., S. J. Ostro, L. A. M. Benner, J. D. Giorgini, R. F. Jurgens, R. Rose, C. Magri, P. Pravec, D. J. Scheeres, and S. B. Broschart 2005. Radar and optical observations and physical modeling of near-Earth asteroid 10115 (1992 SK). Icarus, 181, 145-155.
  31. Ostro, S. J., L. A. M. Benner, C. Magri, J. D. Giorgini, R. Rose, R.F. Jurgens, D. K. Yeomans, A. A. Hine, M. C. Nolan, D. J. Scheeres, M. Kaasalainen, D. Vokrouhlicky, S. R. Chesley, and J. L. Margot 2005. Radar observations of Itokawa in 2004 and improved shape estimation. Meteoritics and Planetary Science 41, 1563-1574.
  32. Pravec, P., P. Scheirich, P. Kusnirak, L. Sarounova, S. Mottola, G. Hahn, P. Brown, G. Esquerdo, N. Kaiser, Z. Krzeminski, D. P. Pray, B. D. Warner, M. C. Nolan, E. S. Howell, L. A. M. Benner, A. W. Harris, A. Galad, W. Holliday, M. D. Hicks, Y. N. Krugly, D. Tholen, R. Whiteley, F. Marchis, D. R. DeGraff, A. Grauer, S. Larson, F. P. Velichko, W. R. Cooney, R. Stephens, J. Zhu, K. Kirsch, R. Dyvig, L. Snyder, V. Reddy, S. Moore, S. Gajdos, J. Vilagi, G. Masri, D. Higgins, G. Funkhouser, B. Knight, S. Slivan, R. Behrend, R. Roy, C. Demeautis, D. Matter, N. Waelchli, Y. Revaz, A. Klotz, M. Rieugne, P. Thierry, V. Cotrez, L. Brunetto, and G. Kober 2005. Photometric survey of binary near-Earth asteroids. Icarus, 181, 63-93.
  33. Scheeres, D. J., L. A. M. Benner, S. J. Ostro, A. Rossi, F. Marzari, and P. Washabaugh 2005. Abrupt alteration of asteroid 2004 MN4's spin state during its 2029 Earth flyby. Icarus 178, 281-283.
  34. Shepard, M. K., L. A. M. Benner, S. J. Ostro, D. B. Campbell, I. I. Shapiro, and J. F. Chandler 2004. Radar detection of near-Earth asteroids 1915 Quetzalcoatl, 3199 Nefertiti, 3757 (1982 XB), and 4034 (1986 PA). Icarus 172, 170-178.
  35. Ostro, S. J., L. A. M. Benner, M. C. Nolan, C. Magri, J. D. Giorgini, D. J. Scheeres, S. B. Bros-chart, M. Kaasalainen, D. Vokrouhlicky, S. R. Chesley, J. L. Margot, R. F. Jurgens, R. Rose, D. K. Yeomans, S. Suzuki, and E. M. De Jong 2004. Radar observations of asteroid 25143 Itokawa (1998 SF36). Meteoritics and Planetary Science 39, 407-424.
  36. Chesley, S. R., S. J. Ostro, D. Vokrouhlicky, D. Capek, J. D. Giorgini, M. C. Nolan, J.-L. Margot, A. A. Hine, L. A. M. Benner, and A. B. Chamberlin 2003. Direct detection of the Yarkovsky effect via radar ranging to near-Earth asteroid 6489 Golevka. Science 302, 1739-1742.
  37. Ostro, S. J., J. D. Giorgini, L. A. M. Benner, A. A. Hine, M. C. Nolan, J.-L. Margot, P. W. Chodas, C. Veillet 2003. Radar detection of asteroid 2002 AA29. Icarus 166, 271-275.
  38. Ostro, S. J., R. S. Hudson, L. A. M. Benner, J. D. Giorgini, C. Magri, J.-L. Margot, and M. C. Nolan 2002. Asteroid radar astronomy. In Asteroids III (W. F. Bottke, A. Cellino, P. Paolicchi, and R. P. Binzel, Eds.), University of Arizona Press, Tucson, pp. 151-168.
  39. Benner, L. A. M., S. J. Ostro, R. S. Hudson, K. D. Rosema, R. F. Jurgens, D. K. Yeomans, D. B. Campbell, J. F. Chandler, and I. I Shapiro 2002. Radar observations of asteroid 3908 Nyx. Icarus 158, 379-388.
  40. Benner, L. A. M., S. J. Ostro, M. C. Nolan, J. L. Margot, R. F. Jurgens, J. D. Giorgini, R. Rose, R. S. Hudson, M. A. Slade, E. S. Howell, D. B. Campbell, and D. K. Yeomans 2002. Radar observations of asteroid 1999 JM8. Meteoritics and Planetary Science 37, 779-792.
  41. Margot, J. L., M. C. Nolan, L. A. M. Benner, S. J. Ostro, R. F. Jurgens, J. D. Giorgini, M. A. Slade, and D. B. Campbell 2002. Binary asteroids in the near-Earth object population. Science 296, 1445-448.
  42. Giorgini, J. D., S. J. Ostro, L. A. M. Benner, P. W. Chodas, S. R. Chesley, R. S. Hudson, M. C. Nolan, A. R. Klemola, E. M. Standish, R. F. Jurgens, R. Rose, A. B. Chamberlain, D. K. Yeomans, and J.-L. Margot 2002. Asteroid 1950 DA's encounter with Earth in 2880: Physical limits of collision probability prediction. Science 296, 132-136.
  43. Mahapatra, P. R., L. A. M. Benner, S. J. Ostro, R. F. Jurgens, J. D. Giorgini, D. K. Yeomans, J. F. Chandler, and I. I. Shapiro 2002. Radar observations of asteroid 7335 (1989 JA). Planetary and Space Science 50, 257-260.
  44. Magri, C., G. J. Consolmagno S. J., S. J. Ostro, L. A. M. Benner, and B. R. Beeney 2001. Radar constraints on asteroid regolith properties using 433 Eros as ground truth. Meteoritics and Planetary Science 36, 1697-1709.
  45. Ostro, S. J., R. S. Hudson, L. A. M. Benner, M. C. Nolan, J. D. Giorgini, D. J. Scheeres, R. F. Jurgens, and R. Rose 2001. Radar observations of asteroid 1998 ML14. Meteoritics and Planetary Science 36, 1225-1236.
  46. Pravec, P., L. Sarounova, L. A. M. Benner, S. J. Ostro, M. D. Hicks, R. F. Jurgens, J. D. Giorgini, M. A. Slade, D. K. Yeomans, D. L. Rabinowitz, Y. N. Krugly, and M. Wolf 2000. Slowly rotating asteroid 1999 GU3. Icarus 148, 589-593.
  47. Hudson, R. S., S. J. Ostro, R. F. Jurgens, K. D. Rosema, J. D. Giorgini, R. Winkler, R. Rose, D. Choate, R. A. Cormier, C. R. Franck, R. Frye, S. D. Howard, D. Kelley, R. Littlefair, M. A. Slade, L. A. M. Benner, M. L. Thomas, D. L. Mitchell, P. W. Chodas, D. K. Yeomans, D. J. Scheeres, P. Palmer, A. Zaitsev, Y. Koyama, A. Nakamura, and A. W. Harris 2000. Radar observations and physical modeling of asteroid 6489 Golevka. Icarus 148, 37-51.
  48. Shepard, M. K., L. A. M. Benner, S. J. Ostro, A. W. Harris, K. D. Rosema, I. I. Shapiro, J. F. Chandler, and D. B. Campbell 2000. Radar observations of 2100 Ra-Shalom. Icarus 147, 520-529.
  49. Ostro, S. J., P. Pravec, L. A. M. Benner, R. S. Hudson, L. Sarounova, M. D. Hicks, D. L. Rabinowitz, J. V. Scotti, D. J. Tholen, M. Wolf, R. F. Jurgens, M. L. Thomas, J. D. Giorgini, P. W. Chodas, D. K. Yeomans, R. Rose, R. Frye, K. D. Rosema, R. Winkler, and M. A. Slade 1999b. Radar and optical observations of asteroid 1998 KY26. Science 285, 557-559.
  50. Benner, L. A. M., R. S. Hudson, S. J. Ostro, K. D. Rosema, J. D. Giorgini, D. K. Yeomans, R. F. Jurgens, D. L. Mitchell, R. Winkler, R. Rose, M. A. Slade, M. L. Thomas, and P. Pravec 1999. Radar observations of asteroid 2063 Bacchus. Icarus 139, 309-327.
  51. Mahapatra, P. R., S. J. Ostro, L. A. M. Benner, K. D. Rosema, R. F. Jurgens, R. Winkler, R. Rose, J. D. Giorgini, D. K. Yeomans, and M. L. Slade 1999. Recent radar observations of asteroid 1566 Icarus. Planetary and Space Science 47, 987-995.
  52. Benner, L. A. M., S. J. Ostro, K. D. Rosema, J. D. Giorgini, D. Choate, R. F. Jurgens, R. Rose, M. A. Slade, M. L. Thomas, R. Winkler, and D. K. Yeomans 1999a. Radar observations of asteroid 7822 (1991 CS). Icarus 137, 247-259.
  53. Benner, L. A. M., S. J. Ostro, J. D. Giorgini, R. F. Jurgens, D. L. Mitchell, R. Rose, K. D. Rosema, M. A. Slade, R. Winkler, D. K. Yeomans, D. B. Campbell, J. F. Chandler, and I. I. Shapiro 1997. Radar detection of near-Earth asteroids 2062 Aten, 2101 Adonis, 3103 Eger, 4544 Xanthus, and 1992 QN. Icarus 130, 296-312.
  54. Harmon, J. K., S. J. Ostro, L. A. M. Benner, K. D. Rosema, R. F. Jurgens, R. Winkler, D. K. Yeomans, D. Choate, R. Cormier, J. D. Giorgini, D. L. Mitchell, P. W. Chodas, R. Rose, D. Kelley, M. A. Slade, and M. L. Thomas 1997. Radar detection of the nucleus and coma of comet Hyakutake (C/1996 B2). Science 278, 1921-1924.
  55. Benner, L. A. M. 1997. Triton. In Encyclopedia of Planetary Sciences (J. H. Shirley and R. W. Fairbridge, Eds.), pp. 836-840, Chapman and Hall, London.
  56. Benner, L. A. M., and W. B. McKinnon 1995. On the orbital evolution and origin of comet Shoemaker-Levy 9, Icarus 118, 155-168.
  57. Benner, L. A. M., and W. B. McKinnon 1995. Orbital behavior of captured satellites: The effect of solar gravity on Triton's post-capture orbit. Icarus 114, 1-20.

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