Dr. Terry Anthony Hurford

Dr. Terry Anthony Hurford

  • SUPV RESEARCH AST, PLANETARY STUDIES
  • 301.286.4249
  • NASA/GSFC
  • Mail Code: 698
  • Greenbelt , MD 20771
  • Employer: NASA
  • Current Projects

    Development of the SUBLIME Seismometer for Future Lunar Missions

    Nov 2019 - Present

    Project PI

    This project will develop a MET seismometer to TRL 6 for future Lunar investigations.

    Broadband InfraRed Compact High Resolution Exploration Spectrometer (BIRCHES)

    Jun 2015 – Present

    Instrument PI for BIRCHES, which is a near-infrared instrument on the Lunar IceCube cubesat mission

    Mission PI is Pamela Clark at JPL

    Europa Imaging System (EIS) on the Clipper Mission

    Oct 2014 – Present

    CoI on the EIS team.  This instrument will image the surface of Europa from the Clipper mission spacecraft.

    PI Elizabeth Turtle at APL

    Observatory for Planetary Investigations form the Stratosphere (OPIS) mission

    Oct 2013 – Oct 2014

    Project PI

    Cassini Composite InfraRed Spectrometer (Cassini - CIRS)

    Aug 2008 – 2018

    Team Affiliate

    Education

    August 1998 - August 2005 - Ph.D., Planetary Science, University of Arizona
    August 1993 - May 1998 - B.S., Astronomy and Physics with Honors, University of Arizona

    Publications

    Refereed

    Hurford, T. A., W. G. Henning, R. Maguire, et al. V. Lekic, N. Schmerr, M. Panning, V. Bray, M. Manga, S. Kattenhorn, L. Quick, and A. Rhoden. 2020. "Seismicity on tidally active solid-surface worlds." Icarus, 338: 113466 [Full Text (Link)] [10.1016/j.icarus.2019.113466]

    Paganini, L., G. L. Villanueva, L. Roth, et al. A. M. Mandell, T. A. Hurford, K. D. Retherford, and M. J. Mumma. 2019. "A measurement of water vapour amid a largely quiescent environment on Europa." Nature Astronomy, [10.1038/s41550-019-0933-6]

    Howett, C., J. Spencer, T. Hurford, A. Verbiscer, and M. Segura. 2019. "Maps of Tethys’ thermophysical properties." Icarus, 321: 705-714 [10.1016/j.icarus.2018.12.018]

    Hendrix, A. R., T. A. Hurford, L. M. Barge, et al. M. T. Bland, J. S. Bowman, W. Brinckerhoff, B. J. Buratti, M. L. Cable, J. Castillo-Rogez, G. C. Collins, S. Diniega, C. R. German, A. G. Hayes, T. Hoehler, S. Hosseini, C. J. Howett, A. S. McEwen, C. D. Neish, M. Neveu, T. A. Nordheim, G. W. Patterson, D. A. Patthoff, C. Phillips, A. Rhoden, B. E. Schmidt, K. N. Singer, J. M. Soderblom, and S. D. Vance. 2019. "The NASA Roadmap to Ocean Worlds." Astrobiology, 19 (1): 1-27 [10.1089/ast.2018.1955]

    Howett, C. J., J. R. Spencer, T. Hurford, A. Verbiscer, and M. Segura. 2018. "Limits on Dione's Activity Using Cassini/CIRS Data." Geophysical Research Letters, [10.1029/2018gl078161]

    Saxena, P., J. P. Renaud, W. G. Henning, M. Jutzi, and T. Hurford. 2018. "Relevance of tidal heating on large TNOs." Icarus, 302: 245-260 [10.1016/j.icarus.2017.11.023]

    Guzman, M., R. Lorenz, D. Hurley, et al. W. Farrell, J. Spencer, C. Hansen, T. Hurford, J. Ibea, P. Carlson, and C. P. McKay. 2018. "Collecting amino acids in the Enceladus plume." International Journal of Astrobiology, 18 (1): 47-59 [10.1017/s1473550417000544]

    Rhoden, A. R., W. Henning, T. A. Hurford, D. A. Patthoff, and R. Tajeddine. 2017. "The implications of tides on the Mimas ocean hypothesis." Journal of Geophysical Research: Planets, 122 (2): 400-410 [10.1002/2016je005097]

    Aslam, S., M. Amato, N. Bowles, et al. S. Calcutt, T. Hewagama, J. Howard, C. Howett, W.-T. Hsieh, T. Hurford, J. Hurley, P. Irwin, D. E. Jennings, E. Kessler, B. Lakew, M. Loeffler, M. Mellon, A. Nicoletti, C. A. Nixon, N. Putzig, G. Quilligan, J. Rathbun, M. Segura, J. Spencer, J. Spitale, and G. West. 2016. "Dual-telescope multi-channel thermal-infrared radiometer for outer planet fly-by missions." Acta Astronautica, 128: 628-639 [10.1016/j.actaastro.2016.08.009]

    Howett, C., J. Spencer, T. Hurford, A. Verbiscer, and M. Segura. 2016. "Thermal properties of Rhea's poles: Evidence for a meter-deep unconsolidated subsurface layer." Icarus, 272: 140-148 [10.1016/j.icarus.2016.02.033]

    Hurford, T. A., E. Asphaug, J. N. Spitale, et al. D. Hemingway, A. R. Rhoden, W. G. Henning, B. G. Bills, S. A. Kattenhorn, and M. Walker. 2016. "Tidal disruption of Phobos as the cause of surface fractures." Journal of Geophysical Research: Planets, 121 (6): 1054-1065 [10.1002/2015je004943]

    Cook-Hallett, C., J. W. Barnes, S. A. Kattenhorn, et al. T. Hurford, J. Radebaugh, B. Stiles, and M. Beuthe. 2015. "Global contraction/expansion and polar lithospheric thinning on Titan from patterns of tectonism." Journal of Geophysical Research: Planets, 120 (6): 1220-1236 [10.1002/2014je004645]

    Rhoden, A. R., T. A. Hurford, L. Roth, and K. Retherford. 2015. "Linking Europa’s plume activity to tides, tectonics, and liquid water." Icarus, 253: 169-178 [10.1016/j.icarus.2015.02.023]

    Spitale, J. N., T. A. Hurford, A. R. Rhoden, E. E. Berkson, and S. S. Platts. 2015. "Curtain eruptions from Enceladus’ south-polar terrain." Nature, 521 (7550): 57-60 [10.1038/nature14368]

    Rhoden, A. R., W. Henning, T. A. Hurford, and D. P. Hamilton. 2015. "The interior and orbital evolution of Charon as preserved in its geologic record." Icarus, 246: 11-20 [10.1016/j.icarus.2014.04.030]

    Howett, C., J. Spencer, T. Hurford, A. Verbiscer, and M. Segura. 2014. "Thermophysical property variations across Dione and Rhea." Icarus, 241: 239-247 [10.1016/j.icarus.2014.05.047]

    Henning, W. G., and T. Hurford. 2014. "TIDAL HEATING IN MULTILAYERED TERRESTRIAL EXOPLANETS." The Astrophysical Journal, 789 (1): 30 [10.1088/0004-637x/789/1/30]

    Hurford, T. A., and K. M. Brunt. 2014. "Antarctic analog for dilational bands on Europa." Earth and Planetary Science Letters, 401: 275-283 [10.1016/j.epsl.2014.05.015]

    Rhoden, A. R., and T. A. Hurford. 2013. "Lineament azimuths on Europa: Implications for obliquity and non-synchronous rotation." Icarus, 226 (1): 841-859 [10.1016/j.icarus.2013.06.029]

    Howett, C., J. Spencer, T. Hurford, A. Verbiscer, and M. Segura. 2012. "PacMan returns: An electron-generated thermal anomaly on Tethys." Icarus, 221 (2): 1084-1088 [10.1016/j.icarus.2012.10.013]

    Hurford, T., P. Helfenstein, and J. Spitale. 2012. "Tidal control of jet eruptions on Enceladus as observed by Cassini ISS between 2005 and 2007." Icarus, 220 (2): 896-903 [10.1016/j.icarus.2012.06.022]

    Rhoden, A. R., G. Wurman, E. M. Huff, M. Manga, and T. A. Hurford. 2012. "Shell tectonics: A mechanical model for strike-slip displacement on Europa." Icarus, 218 (1): 297-307 [10.1016/j.icarus.2011.12.015]

    Barnes, J. W., L. Lemke, R. Foch, et al. C. P. McKay, R. A. Beyer, J. Radebaugh, D. H. Atkinson, R. D. Lorenz, S. Le Mouélic, S. Rodriguez, J. Gundlach, F. Giannini, S. Bain, F. M. Flasar, T. Hurford, C. M. Anderson, J. Merrison, M. Ádámkovics, S. A. Kattenhorn, J. Mitchell, D. M. Burr, A. Colaprete, E. Schaller, A. J. Friedson, K. S. Edgett, A. Coradini, A. Adriani, K. M. Sayanagi, M. J. Malaska, D. Morabito, and K. Reh. 2011. "AVIATR—Aerial Vehicle for In-situ and Airborne Titan Reconnaissance." Experimental Astronomy, 33 (1): 55-127 [10.1007/s10686-011-9275-9]

    Howett, C., J. Spencer, P. Schenk, et al. R. Johnson, C. Paranicas, T. Hurford, A. Verbiscer, and M. Segura. 2011. "A high-amplitude thermal inertia anomaly of probable magnetospheric origin on Saturn’s moon Mimas." Icarus, 216 (1): 221-226 [10.1016/j.icarus.2011.09.007]

    Rhoden, A. R., T. A. Hurford, and M. Manga. 2011. "Strike-slip fault patterns on Europa: Obliquity or polar wander?" Icarus, 211: 636 [Full Text (Link)] [10.1016/j.icarus.2010.11.002]

    Rhoden, A. R., B. Militzer, E. M. Huff, et al. T. A. Hurford, M. Manga, and M. A. Richards. 2010. "Constraints on Europa’s rotational dynamics from modeling of tidally-driven fractures." Icarus, 210 (2): 770-784 [10.1016/j.icarus.2010.07.018]

    Tobie, G., B. Giese, T. A. Hurford, et al. R. M. Lopes, F. Nimmo, F. Postberg, K. D. Retherford, J. Schmidt, J. R. Spencer, T. Tokano, and E. P. Turtle. 2010. "Surface, Subsurface and Atmosphere Exchanges on the Satellites of the Outer Solar System." Space Science Reviews, 153 (1-4): 375-410 [10.1007/s11214-010-9641-3]

    Hurford, T., B. Bills, P. Helfenstein, et al. R. Greenberg, G. Hoppa, and D. Hamilton. 2009. "Geological implications of a physical libration on Enceladus." Icarus, 203 (2): 541-552 [10.1016/j.icarus.2009.04.025]

    Hurford, T., A. Sarid, R. Greenberg, and B. Bills. 2009. "The influence of obliquity on europan cycloid formation." Icarus, 202 (1): 197-215 [10.1016/j.icarus.2009.02.036]

    Hurford, T. A., P. Helfenstein, G. V. Hoppa, R. Greenberg, and B. G. Bills. 2007. "Eruptions arising from tidally controlled periodic openings of rifts on Enceladus." Nature, 447 (7142): 292-294 [10.1038/nature05821]

    Hurford, T., A. Sarid, and R. Greenberg. 2007. "Cycloidal cracks on Europa: Improved modeling and non-synchronous rotation implications." Icarus, 186 (1): 218-233 [10.1016/j.icarus.2006.08.026]

    Sarid, A. R., R. Greenberg, and T. A. Hurford. 2006. "Crack azimuths on Europa: Sequencing of the northern leading hemisphere." Journal of Geophysical Research, 111 (E8): E08004 [10.1029/2005je002524]

    Hurford, T., R. Beyer, B. Schmidt, et al. B. Preblich, A. Sarid, and R. Greenberg. 2005. "Flexure of Europa's lithosphere due to ridge-loading." Icarus, 177 (2): 380-396 [10.1016/j.icarus.2005.06.019]

    Hurford, T. A. 2005. "Tides and tidal stress: Applications to Europa."

    Greenberg, R., G. V. Hoppa, G. Bart, and T. Hurford. 2003. "Tidal Stress Patterns on Europa's Crust." Celestial Mechanics and Dynamical Astronomy, 87 (1): 171-188.

    Sarid, A. R., R. Greenberg, G. V. Hoppa, et al. T. A. Hurford, B. Tufts, and P. Geissler. 2002. "Polar Wander and Surface Convergence of Europa's Ice Shell: Evidence from a Survey of Strike-Slip Displacement." Icarus, 158 (1): 24-41 [10.1006/icar.2002.6873]

    Hoppa, G. V., B. Randall Tufts, R. Greenberg, et al. T. Hurford, D. O'Brien, and P. E. Geissler. 2001. "Europa's Rate of Rotation Derived from the Tectonic Sequence in the Astypalaea Region." Icarus, 153 (1): 208-213 [10.1006/icar.2001.6663]

    Hurford, T. A., and R. Greenberg. 2000. "Tidal Evolution by elongated primaries: Implications for the Ida/Dactyl System." Geophysical Research Letters, 27 (11): 1595-1598 [10.1029/1999GL010956]

    Petit, J.-M., D. D. Durda, R. Greenberg, T. Hurford, and P. Geissler. 1997. "The Long-Term Dynamics of Dactyl's Orbit." Icarus, 130 (1): 177-197 [10.1006/icar.1997.5788]

    Publications

    Refereed

    Hurford, T. A., W. G. Henning, R. Maguire, et al. V. Lekic, N. Schmerr, M. Panning, V. Bray, M. Manga, S. Kattenhorn, L. Quick, and A. Rhoden. 2020. "Seismicity on tidally active solid-surface worlds." Icarus 338 113466 [Full Text (Link)] [10.1016/j.icarus.2019.113466]

    Paganini, L., G. L. Villanueva, L. Roth, et al. A. M. Mandell, T. A. Hurford, K. D. Retherford, and M. J. Mumma. 2019. "A measurement of water vapour amid a largely quiescent environment on Europa." Nature Astronomy [10.1038/s41550-019-0933-6]

    Howett, C., J. Spencer, T. Hurford, A. Verbiscer, and M. Segura. 2019. "Maps of Tethys’ thermophysical properties." Icarus 321 705-714 [10.1016/j.icarus.2018.12.018]

    Hendrix, A. R., T. A. Hurford, L. M. Barge, et al. M. T. Bland, J. S. Bowman, W. Brinckerhoff, B. J. Buratti, M. L. Cable, J. Castillo-Rogez, G. C. Collins, S. Diniega, C. R. German, A. G. Hayes, T. Hoehler, S. Hosseini, C. J. Howett, A. S. McEwen, C. D. Neish, M. Neveu, T. A. Nordheim, G. W. Patterson, D. A. Patthoff, C. Phillips, A. Rhoden, B. E. Schmidt, K. N. Singer, J. M. Soderblom, and S. D. Vance. 2019. "The NASA Roadmap to Ocean Worlds." Astrobiology 19 (1): 1-27 [10.1089/ast.2018.1955]

    Howett, C. J., J. R. Spencer, T. Hurford, A. Verbiscer, and M. Segura. 2018. "Limits on Dione's Activity Using Cassini/CIRS Data." Geophysical Research Letters [10.1029/2018gl078161]

    Saxena, P., J. P. Renaud, W. G. Henning, M. Jutzi, and T. Hurford. 2018. "Relevance of tidal heating on large TNOs." Icarus 302 245-260 [10.1016/j.icarus.2017.11.023]

    Guzman, M., R. Lorenz, D. Hurley, et al. W. Farrell, J. Spencer, C. Hansen, T. Hurford, J. Ibea, P. Carlson, and C. P. McKay. 2018. "Collecting amino acids in the Enceladus plume." International Journal of Astrobiology 18 (1): 47-59 [10.1017/s1473550417000544]

    Rhoden, A. R., W. Henning, T. A. Hurford, D. A. Patthoff, and R. Tajeddine. 2017. "The implications of tides on the Mimas ocean hypothesis." Journal of Geophysical Research: Planets 122 (2): 400-410 [10.1002/2016je005097]

    Aslam, S., M. Amato, N. Bowles, et al. S. Calcutt, T. Hewagama, J. Howard, C. Howett, W.-T. Hsieh, T. Hurford, J. Hurley, P. Irwin, D. E. Jennings, E. Kessler, B. Lakew, M. Loeffler, M. Mellon, A. Nicoletti, C. A. Nixon, N. Putzig, G. Quilligan, J. Rathbun, M. Segura, J. Spencer, J. Spitale, and G. West. 2016. "Dual-telescope multi-channel thermal-infrared radiometer for outer planet fly-by missions." Acta Astronautica 128 628-639 [10.1016/j.actaastro.2016.08.009]

    Howett, C., J. Spencer, T. Hurford, A. Verbiscer, and M. Segura. 2016. "Thermal properties of Rhea's poles: Evidence for a meter-deep unconsolidated subsurface layer." Icarus 272 140-148 [10.1016/j.icarus.2016.02.033]

    Hurford, T. A., E. Asphaug, J. N. Spitale, et al. D. Hemingway, A. R. Rhoden, W. G. Henning, B. G. Bills, S. A. Kattenhorn, and M. Walker. 2016. "Tidal disruption of Phobos as the cause of surface fractures." Journal of Geophysical Research: Planets 121 (6): 1054-1065 [10.1002/2015je004943]

    Cook-Hallett, C., J. W. Barnes, S. A. Kattenhorn, et al. T. Hurford, J. Radebaugh, B. Stiles, and M. Beuthe. 2015. "Global contraction/expansion and polar lithospheric thinning on Titan from patterns of tectonism." Journal of Geophysical Research: Planets 120 (6): 1220-1236 [10.1002/2014je004645]

    Rhoden, A. R., T. A. Hurford, L. Roth, and K. Retherford. 2015. "Linking Europa’s plume activity to tides, tectonics, and liquid water." Icarus 253 169-178 [10.1016/j.icarus.2015.02.023]

    Spitale, J. N., T. A. Hurford, A. R. Rhoden, E. E. Berkson, and S. S. Platts. 2015. "Curtain eruptions from Enceladus’ south-polar terrain." Nature 521 (7550): 57-60 [10.1038/nature14368]

    Rhoden, A. R., W. Henning, T. A. Hurford, and D. P. Hamilton. 2015. "The interior and orbital evolution of Charon as preserved in its geologic record." Icarus 246 11-20 [10.1016/j.icarus.2014.04.030]

    Howett, C., J. Spencer, T. Hurford, A. Verbiscer, and M. Segura. 2014. "Thermophysical property variations across Dione and Rhea." Icarus 241 239-247 [10.1016/j.icarus.2014.05.047]

    Henning, W. G., and T. Hurford. 2014. "TIDAL HEATING IN MULTILAYERED TERRESTRIAL EXOPLANETS." The Astrophysical Journal 789 (1): 30 [10.1088/0004-637x/789/1/30]

    Hurford, T. A., and K. M. Brunt. 2014. "Antarctic analog for dilational bands on Europa." Earth and Planetary Science Letters 401 275-283 [10.1016/j.epsl.2014.05.015]

    Rhoden, A. R., and T. A. Hurford. 2013. "Lineament azimuths on Europa: Implications for obliquity and non-synchronous rotation." Icarus 226 (1): 841-859 [10.1016/j.icarus.2013.06.029]

    Howett, C., J. Spencer, T. Hurford, A. Verbiscer, and M. Segura. 2012. "PacMan returns: An electron-generated thermal anomaly on Tethys." Icarus 221 (2): 1084-1088 [10.1016/j.icarus.2012.10.013]

    Hurford, T., P. Helfenstein, and J. Spitale. 2012. "Tidal control of jet eruptions on Enceladus as observed by Cassini ISS between 2005 and 2007." Icarus 220 (2): 896-903 [10.1016/j.icarus.2012.06.022]

    Rhoden, A. R., G. Wurman, E. M. Huff, M. Manga, and T. A. Hurford. 2012. "Shell tectonics: A mechanical model for strike-slip displacement on Europa." Icarus 218 (1): 297-307 [10.1016/j.icarus.2011.12.015]

    Barnes, J. W., L. Lemke, R. Foch, et al. C. P. McKay, R. A. Beyer, J. Radebaugh, D. H. Atkinson, R. D. Lorenz, S. Le Mouélic, S. Rodriguez, J. Gundlach, F. Giannini, S. Bain, F. M. Flasar, T. Hurford, C. M. Anderson, J. Merrison, M. Ádámkovics, S. A. Kattenhorn, J. Mitchell, D. M. Burr, A. Colaprete, E. Schaller, A. J. Friedson, K. S. Edgett, A. Coradini, A. Adriani, K. M. Sayanagi, M. J. Malaska, D. Morabito, and K. Reh. 2011. "AVIATR—Aerial Vehicle for In-situ and Airborne Titan Reconnaissance." Experimental Astronomy 33 (1): 55-127 [10.1007/s10686-011-9275-9]

    Howett, C., J. Spencer, P. Schenk, et al. R. Johnson, C. Paranicas, T. Hurford, A. Verbiscer, and M. Segura. 2011. "A high-amplitude thermal inertia anomaly of probable magnetospheric origin on Saturn’s moon Mimas." Icarus 216 (1): 221-226 [10.1016/j.icarus.2011.09.007]

    Rhoden, A. R., T. A. Hurford, and M. Manga. 2011. "Strike-slip fault patterns on Europa: Obliquity or polar wander?" Icarus 211 636 [Full Text (Link)] [10.1016/j.icarus.2010.11.002]

    Rhoden, A. R., B. Militzer, E. M. Huff, et al. T. A. Hurford, M. Manga, and M. A. Richards. 2010. "Constraints on Europa’s rotational dynamics from modeling of tidally-driven fractures." Icarus 210 (2): 770-784 [10.1016/j.icarus.2010.07.018]

    Tobie, G., B. Giese, T. A. Hurford, et al. R. M. Lopes, F. Nimmo, F. Postberg, K. D. Retherford, J. Schmidt, J. R. Spencer, T. Tokano, and E. P. Turtle. 2010. "Surface, Subsurface and Atmosphere Exchanges on the Satellites of the Outer Solar System." Space Science Reviews 153 (1-4): 375-410 [10.1007/s11214-010-9641-3]

    Hurford, T., B. Bills, P. Helfenstein, et al. R. Greenberg, G. Hoppa, and D. Hamilton. 2009. "Geological implications of a physical libration on Enceladus." Icarus 203 (2): 541-552 [10.1016/j.icarus.2009.04.025]

    Hurford, T., A. Sarid, R. Greenberg, and B. Bills. 2009. "The influence of obliquity on europan cycloid formation." Icarus 202 (1): 197-215 [10.1016/j.icarus.2009.02.036]

    Hurford, T. A., P. Helfenstein, G. V. Hoppa, R. Greenberg, and B. G. Bills. 2007. "Eruptions arising from tidally controlled periodic openings of rifts on Enceladus." Nature 447 (7142): 292-294 [10.1038/nature05821]

    Hurford, T., A. Sarid, and R. Greenberg. 2007. "Cycloidal cracks on Europa: Improved modeling and non-synchronous rotation implications." Icarus 186 (1): 218-233 [10.1016/j.icarus.2006.08.026]

    Sarid, A. R., R. Greenberg, and T. A. Hurford. 2006. "Crack azimuths on Europa: Sequencing of the northern leading hemisphere." Journal of Geophysical Research 111 (E8): E08004 [10.1029/2005je002524]

    Hurford, T., R. Beyer, B. Schmidt, et al. B. Preblich, A. Sarid, and R. Greenberg. 2005. "Flexure of Europa's lithosphere due to ridge-loading." Icarus 177 (2): 380-396 [10.1016/j.icarus.2005.06.019]

    Hurford, T. A. 2005. "Tides and tidal stress: Applications to Europa."

    Greenberg, R., G. V. Hoppa, G. Bart, and T. Hurford. 2003. "Tidal Stress Patterns on Europa's Crust." Celestial Mechanics and Dynamical Astronomy 87 (1): 171-188

    Sarid, A. R., R. Greenberg, G. V. Hoppa, et al. T. A. Hurford, B. Tufts, and P. Geissler. 2002. "Polar Wander and Surface Convergence of Europa's Ice Shell: Evidence from a Survey of Strike-Slip Displacement." Icarus 158 (1): 24-41 [10.1006/icar.2002.6873]

    Hoppa, G. V., B. Randall Tufts, R. Greenberg, et al. T. Hurford, D. O'Brien, and P. E. Geissler. 2001. "Europa's Rate of Rotation Derived from the Tectonic Sequence in the Astypalaea Region." Icarus 153 (1): 208-213 [10.1006/icar.2001.6663]

    Hurford, T. A., and R. Greenberg. 2000. "Tidal Evolution by elongated primaries: Implications for the Ida/Dactyl System." Geophysical Research Letters 27 (11): 1595-1598 [10.1029/1999GL010956]

    Petit, J.-M., D. D. Durda, R. Greenberg, T. Hurford, and P. Geissler. 1997. "The Long-Term Dynamics of Dactyl's Orbit." Icarus 130 (1): 177-197 [10.1006/icar.1997.5788]

                                                                                                                                                                                            
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