Sciences and Exploration Directorate

Orenthal James Tucker

(Associate Chief)


Org Code: 695

Mail Code: 695
Greenbelt, MD 20771

Employer: NASA



Huang, Z., L. S. Morrissey, O. J. Tucker, et al. K.-I. Nomura, A. Nakano, and J. Wang. 2024. The effects of the velocity distribution of impact generated water ice ejecta on exospheric escape from airless bodies Icarus 411 115947 [10.1016/j.icarus.2024.115947]

Bu, C., L. S. Morrissey, B. C. Bostick, et al. M. H. Burger, K. P. Bowen, S. N. Chillrud, D. L. Domingue, C. A. Dukes, D. S. Ebel, G. E. Harlow, P.-M. Hillenbrand, D. A. Ivanov, R. M. Killen, J. M. Ross, D. Schury, O. J. Tucker, X. Urbain, R. Zhang, and D. W. Savin. 2024. Absolute doubly differential angular sputtering yields for 20 keV Kr+ on polycrystalline Cu Journal of Applied Physics 135 (3): [10.1063/5.0184417]

Morrissey, L. S., M. J. Schaible, O. J. Tucker, et al. P. S. Szabo, G. Bacon, R. M. Killen, and D. W. Savin. 2023. Establishing a Best Practice for SDTrimSP Simulations of Solar Wind Ion Sputtering The Planetary Science Journal 4 (4): 67 [10.3847/psj/acc587]

Tian, L., R. E. Johnson, O. J. Tucker, et al. A. K. Woodson, H. N. Williamson, and S. R. Mogan. 2023. Molecular Kinetic Simulations of Transient and Steady Wave Propagation into a Planet’s Exosphere Atmosphere 14 (3): 441 [10.3390/atmos14030441]

Morrissey, L. S., O. J. Tucker, R. M. Killen, S. Nakhla, and D. W. Savin. 2022. Solar Wind Ion Sputtering of Sodium from Silicates Using Molecular Dynamics Calculations of Surface Binding Energies The Astrophysical Journal Letters 925 (1): L6 [10.3847/2041-8213/ac42d8]

Carberry Mogan, S. R., O. J. Tucker, R. E. Johnson, et al. A. Vorburger, A. Galli, B. Marchand, A. Tafuni, S. Kumar, I. Sahin, and K. R. Sreenivasan. 2021. A tenuous, collisional atmosphere on Callisto Icarus 368 114597 [10.1016/j.icarus.2021.114597]

Carberry Mogan, S. R., O. J. Tucker, and R. E. Johnson. 2021. The influence of upper boundary conditions on molecular kinetic atmospheric escape simulations Planetary and Space Science 205 105302 [10.1016/j.pss.2021.105302]

Morrissey, L. S., O. J. Tucker, R. M. Killen, S. Nakhla, and D. W. Savin. 2021. Sputtering of surfaces by ion irradiation: A comparison of molecular dynamics and binary collision approximation models to laboratory measurements Journal of Applied Physics 130 (1): 013302 [10.1063/5.0051073]

Grava, C., R. M. Killen, M. Benna, et al. A. A. Berezhnoy, J. S. Halekas, F. Leblanc, M. N. Nishino, C. Plainaki, J. M. Raines, M. Sarantos, B. D. Teolis, O. J. Tucker, R. J. Vervack, and A. Vorburger. 2021. Volatiles and Refractories in Surface-Bounded Exospheres in the Inner Solar System Space Science Reviews 217 (5): 61 [10.1007/s11214-021-00833-8]

Tucker, O., R. Killen, R. Johnson, and P. Saxena. 2021. Lifetime of a transient atmosphere produced by lunar volcanism Icarus 359 114304 [10.1016/j.icarus.2021.114304]

Johnson, R., A. Woodson, L. Tian, O. Tucker, and H. Williamson. 2021. Temperature extraction from spacecraft density profiles in the presence of wave activity Icarus 357 114257 [10.1016/j.icarus.2020.114257]

Tucker, O. J., W. M. Farrell, and A. R. Poppe. 2021. On the Effect of Magnetospheric Shielding on the Lunar Hydrogen Cycle Journal of Geophysical Research: Planets 126 (2): [10.1029/2020je006552]

Carberry Mogan, S. R., O. J. Tucker, R. E. Johnson, K. R. Sreenivasan, and S. Kumar. 2020. The influence of collisions and thermal escape in Callisto's atmosphere Icarus 352 113932 [10.1016/j.icarus.2020.113932]

Leclercq, L., H. N. Williamson, R. E. Johnson, et al. O. J. Tucker, L. Tian, and D. Snowden. 2020. Molecular kinetic simulations of transient perturbations in a planet's upper atmosphere Icarus 335 113394 [10.1016/j.icarus.2019.113394]

Killen, R. M., D. R. Williams, J. Park, et al. O. J. Tucker, S.-J. Kim, R. M. Killen, and D. R. Williams. 2019. The lunar neon exosphere seen in LACE data Icarus 329 246-250 [10.1016/j.icarus.2019.04.018]

Tucker, O. J., W. M. Farrell, R. M. Killen, and D. M. Hurley. 2019. Solar Wind Implantation Into the Lunar Regolith: Monte Carlo Simulations of H Retention in a Surface With Defects and the H 2 Exosphere Journal of Geophysical Research: Planets 2018JE005805 [10.1029/2018je005805]

Tucker, O. J., W. Waalkes, V. M. Tenishev, et al. R. E. Johnson, A. Bieler, M. R. Combi, and A. F. Nagy. 2016. Examining the exobase approximation: DSMC models of Titan's upper atmosphere Icarus 272 290-300 [10.1016/j.icarus.2016.02.044]

Johnson, R., O. Tucker, and A. Volkov. 2016. Evolution of an early Titan atmosphere Icarus 271 202-206 [10.1016/j.icarus.2016.01.014]

Tucker, O. J., M. R. Combi, and V. M. Tenishev. 2015. 2D models of gas flow and ice grain acceleration in Enceladus’ vents using DSMC methods Icarus 257 362-376 [10.1016/j.icarus.2015.05.012]

Tucker, O., R. Johnson, and L. Young. 2015. Gas transfer in the Pluto–Charon system: A Charon atmosphere Icarus 246 291-297 [10.1016/j.icarus.2014.05.002]

Tenishev, V., M. Rubin, O. J. Tucker, M. R. Combi, and M. Sarantos. 2013. Kinetic modeling of sodium in the lunar exosphere Icarus 226 (2): 1538-1549 [10.1016/j.icarus.2013.08.021]

Erwin, J., O. Tucker, and R. E. Johnson. 2013. Hybrid fluid/kinetic modeling of Pluto’s escaping atmosphere Icarus 226 (1): 375-384 [10.1016/j.icarus.2013.05.042]

Tucker, O., R. Johnson, J. Deighan, and A. Volkov. 2013. Diffusion and thermal escape of H2 from Titan’s atmosphere: Monte Carlo simulations Icarus 222 (1): 149-158 [10.1016/j.icarus.2012.10.016]

Tucker, O., J. Erwin, J. Deighan, A. Volkov, and R. Johnson. 2012. Thermally driven escape from Pluto’s atmosphere: A combined fluid/kinetic model Icarus 217 (1): 408-415 [10.1016/j.icarus.2011.11.017]

Volkov, A. N., O. J. Tucker, J. T. Erwin, and R. E. Johnson. 2011. Kinetic simulations of thermal escape from a single component atmosphere Physics of Fluids 23 (6): 066601 [10.1063/1.3592253]

Volkov, A. N., R. E. Johnson, O. J. Tucker, and J. T. Erwin. 2011. THERMALLY DRIVEN ATMOSPHERIC ESCAPE: TRANSITION FROM HYDRODYNAMIC TO JEANS ESCAPE The Astrophysical Journal 729 (2): L24 [10.1088/2041-8205/729/2/l24]

Johnson, R. E., O. J. Tucker, M. Michael, et al. E. C. Sittler, H. T. Smith, D. T. Young, and J. H. Waite. 2010. Mass Loss Processes in Titan's Upper Atmosphere Titan from Cassini-Huygens [373-10.1007/978-1-4020-9215-2_15]

Tucker, O. J., and R. Johnson. 2009. Thermally driven atmospheric escape: Monte Carlo simulations for Titan's atmosphere Planetary and Space Science 57 (14-15): 1889-1894 [10.1016/j.pss.2009.06.003]

Cassidy, T., R. Johnson, and O. Tucker. 2009. Trace constituents of Europa's atmosphere Icarus 201 (1): 182-190 [10.1016/j.icarus.2008.12.033]

Smith, H. T., R. E. Johnson, E. C. Sittler, et al. M. Shappirio, D. Reisenfeld, O. J. Tucker, M. Burger, F. J. Crary, D. J. McComas, and D. T. Young. 2007. Enceladus: The likely dominant nitrogen source in Saturn's magnetosphere Icarus 188 356-366 [10.1016/j.icarus.2006.12.007]

Burger, M. H., E. C. Sittler, R. E. Johnson, et al. H. T. Smith, O. J. Tucker, and V. I. Shematovich. 2007. Understanding the escape of water from Enceladus Journal of Geophysical Research (Space Physics) 112 [6219-10.1029/2006JA012086]

Tucker, O. J., D. S. Ivanov, L. V. Zhigilei, R. E. Johnson, and E. M. Bringa. 2005. Molecular dynamics simulation of sputtering from a cylindrical track: EAM versus pair potentials Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 228 (1-4): 163-169 [10.1016/j.nimb.2004.10.040]


Tucker, O. J., R. M. Killen, and P. Saxena. 2019. Sputter Loss of an Early Transient Lunar Atmosphere European Planetary Science Conference EPSC-DPS2019-70.

Killen, R. M., O. J. Tucker, D. R. Williams, J. Park, and S. J. Kim. 2019. The Lunar Neon Exosphere seen in LACE Data NASA Exploration Science Forum (AMES Research Center):

Tucker, O. J., R. E. Johnson, J. M. Bell, et al. M. R. Collier, W. M. Farrell, A. Glocer, R. M. Killen, and P. Saxena. 2019. Limits on X-Ray Luminosity from Pluto's H2 Corona LPI/Pluto System After New Horizons 2133 id.7080