Program Schedule and Abstract Book DPS 50 October 19 - 27, 2018 The Program Report was last updated October 12, 2018 at 01:30 AM EDT. To view the most recent meeting schedule online, visit https://dps50.abstractcentral.com/planner.jsp Friday, October 19, 2018 You have nothing scheduled for this day Saturday, October 20, 2018 You have nothing scheduled for this day Sunday, October 21, 2018 Time Session or Event Info 8:30 AM-4:30 PM, 200 D (Knoxville Convention Center), DPS Committee Meeting, Attendee Event 10:00 AM-10:30 AM, 301 D (Knoxville Convention Center), DPS Volunteer Orientation, Attendee Event 1:00 PM-5:00 PM, 301 D (Knoxville Convention Center), Bystander Intervention Training, Workshop, Organizer: Sarah Horst, [email protected], John Hopkins University 1:00 PM-6:00 PM, 301 B (Knoxville Convention Center), Juno and Juno-supporting Jupiter Atmospheric Results , Workshop, Organizer: Glenn Orton, [email protected], Jet Propulsion Laboratory, California Institute of Technology 1:00 PM-8:00 PM, Henley Concourse (Knoxville Convention Center), DPS Registration and Badge Pickup, Attendee Event 3:00 PM-4:30 PM, 301 C (Knoxville Convention Center), DPS Early Career Presenters Review, Workshop 3:00 PM-6:00 PM, Ballroom F-G (Knoxville Convention Center), Primitive or Processed? Carbon in Today’s Solar System vs. the early Solar System and the Interstellar Medium, Workshop 3:30 PM-6:30 PM, 301 A (Knoxville Convention Center), Speaker Ready Room, Attendee Event 5:00 PM-6:30 PM, 200 A-C (Knoxville Convention Center), AAS DPS Student & Postdoc Reception, Attendee Event, Organizer: Candace Gray, [email protected], Apache Point Observatory 6:30 PM-8:00 PM, Plaza Terrace (Knoxville Convention Center), Welcome Reception, Attendee Event Monday, October 22, 2018 Time Session or Event Info 7:00 AM-8:30 AM, 301 C (Knoxville Convention Center), DPS Early Career Presenters Review, Workshop 7:00 AM-7:00 PM, 200 E (Knoxville Convention Center), Quiet Room, Attendee Event 7:30 AM-4:00 PM, Henley Concourse (Knoxville Convention Center), DPS Registration and Badge Pickup, Attendee Event 7:30 AM-4:00 PM, 301 A (Knoxville Convention Center), Speaker Ready Room, Attendee Event 7:45 AM-8:15 AM, Rotunda Room (Knoxville Convention Center), Session Chair Breakfast, Attendee Event 8:20 AM-9:50 AM, Cumberland Terrace (Knoxville Convention Center), Solar Observations outside the Convention Center, Attendee Event 8:30 AM-9:20 AM, Ballroom C (Knoxville Convention Center), 102. Venus, Oral Session, Chair: Eliot Young, [email protected], Southwest Research Institute; Chair: Xi Zhang, [email protected], University of California Santa Cruz 102.01. Environmental Factors Affecting Chemistry and Viscosity in 8:30-8:40 AM Venus Cloud Droplets M. Delitsky; K. Baines 102.02. Laboratory investigations of Venus aerosol analogs M.J. 8:40-8:50 AM Radke; S.M. Horst; C. He; M. Yant 102.03. A Fully Coupled Photochemical-Cloud Model of the Venus 8:50-9:00 AM Atmosphere From Ground To 110 km X. Zhang; C. Bierson; P. Gao 9:00-9:10 AM 102.04. The Total Possible Biomass of Venus' Clouds M. Bullock 102.05. Observational Analysis of Venusian Atmospheric Equatorial Waves and Superrotation R.M. McCabe; K.M. Sayanagi; J.J. Blalock; 9:10-9:20 AM J.L. Gunnarson; J. Peralta; C. Gray; K. McGouldrick; T. Imamura; S. Watanabe 8:30 AM-10:00 AM, Ballroom B (Knoxville Convention Center), 101. Formation of Planets and Satellites, Oral Session, Chair: Julie Brisset, [email protected], University of Central Florida; Chair: Billy Quarles, [email protected], Georgia Institute of Technology 101.01. Feasibility of in-situ water production during fast-accreting 8:30-8:40 AM super-earth formation B. Cassese; D.J. Stevenson 101.02. Streaming Instability in Turbulent Protoplanetary Disks: 8:40-8:50 AM Expanded Theoretical Predictions O. Umurhan; P.R. Estrada; J. Cuzzi; T. Hartlep 101.03. Collisional evolution of small particles within mean motion 8:50-9:00 AM resonances R. Deienno; K. Walsh; H.F. Levison; K. Kretke 101.04. The Nature of Mean Motion Resonant Chains Arising From In 9:00-9:10 AM Situ Planet Formation S. Morrison; R. Dawson; M. MacDonald 101.05. Formation of planetary systems from pebble accretion and migration I: the growth dichotomy between close-in rocky super-Earth 9:10-9:20 AM systems and terrestrial planets S.A. Jacobson; M. Lambrechts; A. Morbidelli; A. Johansen; B. Bitsch; A. Izidoro; S.N. Raymond 101.06. Formation of planetary systems from pebble accretion and migration II: Hot super-Earth systems from breaking compact 9:20-9:30 AM resonant chains A. Izidoro; B. Bitsch; S.N. Raymond; A. Johansen; A. Morbidelli; M. Lambrechts; S.A. Jacobson 101.07. Formation of Planetary Systems from Pebble Accretion and 9:30-9:40 AM Migration III: The Formation of Gas Giants B. Bitsch; A. Izidoro; S.N. Raymond; A. Johansen; A. Morbidelli; M. Lambrechts; S.A. Jacobson 101.08. Formation of close-in super-Earths under suppressed type I 9:40-9:50 AM migration M. Ogihara; E. Kokubo; T. Suzuki; A. Morbidelli 101.09D. Global Dust Modeling in a Planet Forming Disk: Implications 9:50-10:05 AM for Opacity, Thermal Profile, and Gravitational Instability. D. Sengupta; N.J. Turner; J. MacDonald 8:30 AM-10:00 AM, Ballroom A (Knoxville Convention Center), 100. Meteoroids, Meteors, Meteorites, Dust and Solar Wind, Oral Session, Chair: Peter Brown, [email protected], University of Western Ontario; Chair: YE Quan-Zhi, [email protected], Caltech 100.01. High-precision Measurements of Meteoroid Compressive 8:30-8:40 AM Strengths Derived from Direct Observations of Fragmentation D. Vida; P. Brown; M. Campbell-Brown 100.02. Asteroid ocean impact tsunami: Transient crater scaling laws D. Robertson; P. Register; C. Rumpf; A. Coates; B. Nguyen; L. 8:40-8:50 AM Wheeler; J. Macheskey; T. Manning; A. Gresser; G. Robertson; V. Rumpf; J. Crabill 100.03. The Draconid meteoroid stream 2018: prospects and 8:50-9:00 AM observations A. Egal; P. Wiegert; P. Brown; D. Moser; A. Moorhead; W. Cooke 9:00-9:10 AM 100.04. Source regions for meteorite falls M. Granvik; P. Brown 9:10-9:20 AM 100.05. The Detection of Earth Impactors D. Clark; P. Wiegert 100.06. Diamonds in ureilites: A tale of three planets, none of them 9:20-9:30 AM lost S. Desch; J. O'Rourke; L. Schaefer; D. Schrader; T. Sharp 100.07. Dynamical model for the origin of the circumsolar dust ring 9:30-9:40 AM near the orbit of Venus P. Pokorny; M.J. Kuchner 100.08. Compositional and Spectral Properties of Ureilitic Regolith from Samples of Almahata Sitta C.A. Goodrich; A. Fioretti; M. 9:40-9:50 AM Zolensky; M. Shaddad; T. Hiroi; I. Kohl; E. Young; N. Kita; M. Sanborn; Q. Yin; H. Downes; D. Ross; P. Jenniskens 100.09. Exogeneous delivery of water to Mercury M. Mueller; K. 9:50-10:00 AM Frantseva; D. Nesvorny; I. ten Kate; F. van der Tak 9:00 AM-6:00 PM, Cumberland & Henley Concourse (Knoxville Convention Center), Exhibits, iPosters, Internet Cafe, Art Show, Attendee Event 9:20 AM-10:00 AM, Ballroom C (Knoxville Convention Center), 103. Moon: Surface and Atmosphere, Oral Session, Chair: Paul Hayne, [email protected], University of Colorado Boulder; Chair: Amanda Hendrix, [email protected], Planetary Science Institute 103.01. The Migration of Impact-Delivered Water to the Cold Traps of 9:20-9:30 AM Airless Bodies J.K. Steckloff; D. Goldstein; P. Prem; P. Varghese; L. Trafton 103.02. Formation and Liberation of Lunar Water by Dual Solar Wind 9:30-9:40 AM Irradiation and Micrometeorite Impact C. Zhu; J.J. Gillis-Davis; P.B. Crandall; H.A. Ishii; J.P. Bradley; L.M. Corley; R.I. Kaiser 103.03. Evidence for glass-rich surfaces on lunar impact melt 9:40-9:50 AM deposits C. Neish; K. Cannon; L. Tornabene; M. Zanetti; E. Pilles 103.04. On the Angular Width of the Opposition Effect of Planetary 9:50-10:00 AM Regoliths B.W. Hapke 10:00 AM-10:30 AM, Cumberland & Henley Concourse (Knoxville Convention Center), Coffee Break, Attendee Event 10:00 AM-12:00 PM, 200 D (Knoxville Convention Center), WorldWide Telescope Tutorial for Planetary Sciences, Workshop 10:30 AM-11:30 AM, Ballroom C (Knoxville Convention Center), 106. Comet Physical Characteristics: Nuclei and Surfaces, Oral Session, Chair: Adeline Gicquel, [email protected], JPL/Caltech; Chair: Susan Lederer, [email protected], NASA Johnson Space Center 106.01. Argon adsorption in amorphous water ice and release in 10:30-10:40 AM response to heating R.C. Yokochi 106.02. Fragmenting Comet 73P/Schwassmann-Wachmann 3 A. 10:40-10:50 AM Graykowski; D. Jewitt; H.A. Weaver; J. Li; J. Agarwal; M. Mutchler 106.03. The Formation of Bilobate Comet Shapes through 10:50-11:00 AM Sublimative Torques T. Safrit; J.K. Steckloff; A.S. Bosh; D. Nesvorny; R. Brasser; D.A. Minton 106.04. Changes in Cometary Rotation: Predictions, Correlations, and 11:00-11:10 AM Trends B.E. Mueller; N. Samarasinha 106.05. HST Observations of the Nucleus of Comet 41P/Tuttle- 11:10-11:20 AM Giacobini-Kresak T. Farnham; M.M. Knight; D. Bodewits; D.G. Schleicher; J. Bauer; N.L. Eisner 106.06. Arguments for NPA rotation of comet 41P/Tuttle-Giacobini- Kresák E. Howell; M.J. Belton; N.H. Samarasinha; B.E. Mueller; W. 11:20-11:30 AM Harris; M. Nolan; P.A. Taylor; E.G. Rivera-Valentin; L.