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2018 DDA Meeting Schedule

2018 Annual Meeting of the DDA

Oral Presentations

All oral presentation sessions are located in the ballroom of the Four Points Sheraton San Jose Airport

Sunday, April 15

4:00 DDA Committee Meeting in the Chantilly Boardroom of the Four Points Sheraton San Jose Airport
4:00 Registration opens at Hangar Bar and Grill, restaurant of the Four Points Sheraton San Jose Airport

Opening Reception
Hangar Bar and Grill, restaurant of the Four Points Sheraton San Jose Airport
5:00 - 8:00

6:00 Food available at the reception until 7:30

Monday, April 16

8:20 Seth Jacobson, Matija Cuk, and Matthew Tiscareno SOC and LOC chairs Introduction and announcements

The Astronomer Always Rings Twice
Dynamics of Planetary Rings
Chair: Matthew Tiscareno, SETI Institute
8:30 - 9:30

8:30 Phil Nicholson Cornell University Stellar occultations by Saturn's rings
8:45 Matthew Hedman University of Idaho Axisymmetric density waves in Saturn's rings
9:00 Maryame El Moutamid Cornell University Derivation of the torque associated to tesseral resonances
9:15 Robert Chancia University of Idaho The structure of Jupiter’s main ring from New Horizons: a comparison with other ring-moon systems

Party in the Spin Room
Dynamics of Rotation
Chair: Phil Nicholson, Cornell University
9:30 - 10:00

9:30 Victor Slabinski US Naval Observatory Episodic spin-up and spin-down torque on Earth
9:45 Matija Cuk SETI Institute Early dynamics of the Moon's core

Coffee Break and Poster Viewing
10:00 - 10:30

Pebble in the Sky: Meteoroids and Their Orbits
Convener and Chair: Matija Cuk, SETI Institute
10:30 - 12:30

10:30 Althea Moorhead NASA Marshall Space Flight Center The formation and early evolution of meteoroid streams (Invited)
11:00 Luke Dones Southwest Research Institute Asteroids and meteorites from Venus? Only the Earth goddess knows
11:15 Margaret Campbell-Brown University of Western Ontario Meteoroid orbits from observations (Invited)
11:45 Peter Jenniskens SETI Institute A shower look-up table to trace the dynamics of meteoroid streams and their sources
12:00 Sigrid Close Stanford University Electromagnetic effects from impacts on spacecraft (Invited)

Lunch break
12:30 - 2:00

'N Sync
Dynamics of Resonant Objects
Chair: Marina Brozovic, NASA Jet Propulsion Laboratory
2:00 - 3:45

2:00 Brett Gladman University of British Columbia The prevalence of resonances among large-a trans-Neptunian objects
2:15 Kathryn Volk University of Arizona Two objects in Neptune's 9:1 resonance -- implications for resonance sticking in the scattering population
2:30 Lei Lan University of Arizona Neptune's 5:2 mean motion resonance in the Kuiper belt
2:45 Thomas Rimlinger University of Maryland The stability of resonant chains of moons
3:00 Yukun Huang Tsinghua University Dynamics of the retrograde 1:1 mean motion resonance
3:15 Paul Wiegert University of Western Ontario The first retrograde Trojan asteroid
3:30 Alex Davis University of Colorado Full two-body problem mass parameter observability explored through doubly synchronous systems

Coffee break and poster viewing
3:45 - 4:15

The Fault in Our Stars
Dynamics of Stars and Black Holes
Chair: Heidi Newberg, Rensselaer Polytechnic Institute
4:15 - 5:30

4:15 Monica Valluri University of Michigan Estimating biases in the stellar dynamical black hole mass measurements in barred galaxies and prospects for measuring SMBH masses with JWST
4:30 Heather Wernke University of Colorado Tidal disruption events from eccentric nuclear disks
4:45 Rosemary Wyse Johns Hopkins University Stellar angular momentum distributions and preferential Radial Migration
5:00 Jing Luan University of California at Berkeley DAVs: red edge and outbursts
5:15 Kevin Rauch University of Maryland HNbody: a simulation package for hierarchical N-body systems

Public Lecture: Extreme Solar Systems
Cristobal Petrovich, Canadian Institute for Theoretical Astrophysics
6:30 - 7:30 at San Jose State University (map)

Tuesday, April 17

8:00 Registration opens
8:20 Seth Jacobson, Matija Cuk, and Matthew Tiscareno SOC and LOC chairs Announcements

Vera Rubin Prize Lecture
Chair: Luke Dones, Southwest Research Institute
8:30 - 9:15

8:30 Dan Fabrycky University of Chicago The realm of close-in planets

Hot, Flat, and Crowded
Dynamics of Tightly-Packed Exoplanets
Chair: Pierre Gratia, Northwestern University
9:15 - 10:00

9:15 Sam Hadden Harvard University A resonance overlap criterion for the onset of chaos in systems of two eccentric planets
9:30 Daniel Tamayo University of Toronto at Scarborough Predicting instability timescales in closely-packed planetary systems
9:45 Aaron Boley University of British Columbia Transit duration variations due to secular interactions in systems with tightly-packed inner planets

Coffee Break and Poster Viewing
10:00 - 10:30

An Oblique Reference to Pop Culture
Dynamics of Exoplanets
Chair: Christa Van Laerhoven, University of British Columbia
10:30 - 12:30

10:30 Kassandra Anderson Cornell University Teetering stars: resonant excitation of stellar obliquities by hot and warm Jupiters with external companions
10:50 Christopher Spalding California Institute of Technology The resilience of Kepler multi-systems to stellar obliquity
11:05 Sarah Millholland Yale University On the obliquities of planets in close-in, compact systems
11:25 Daniel Jontof-Hutter University of the Pacific Dynamical constraints on non-transiting planets at Trappist-1
11:40 Elizabeth Bailey California Institute of Technology Probing the parameters of the HAT-P-2 system
12:00 David Fleming University of Washington On the lack of circumbinary planets orbiting isolated binary stars
12:15 Agueda Granados Contreras University of British Columbia The formation of co-orbital planets and their resulting transit signatures

Lunch break
12:30 - 2:00

In the Beginning There Was Chaos
Dynamics of Planet Formation
Chair: Wing-Kit Lee, Northwestern University
2:00 - 4:00

2:00 Juliette Becker University of Michigan Forming hot Jupiters: observational constraints on gas giant formation and migration
2:15 Masahiro Ogihara National Astronomical Observatory of Japan Formation of close-in super-Earths in an evolving disk due to disk winds
2:30 Mickey Rosenthal University of California at Santa Cruz How turbulence can set the radial distribution of gas giants formed by pebble accretion
2:45 Spencer Wallace University of Washington High resolution N-body simulations of terrestrial planet growth
3:00 Matthew Clement University of Oklahoma Saving the inner solar system with an early instability
3:15 Rogerio Deienno Southwest Research Institute Exciting an initially cold asteroid belt through a planetary instability
3:30 Renata Frelikh University of California at Santa Cruz Dynamical upheaval in ice giant formation: a solution to the fine-tuning problem in the formation story
3:45 Yu-Cian Hong     Cornell University     Orbital dynamics of exomoons during planet–planet scattering

Coffee Break and Poster Viewing
4:00 - 4:30

Lick Observatory Tour
Meet at the entrance of the Four Points Sheraton San Jose Airport at 4:15 pm
6:00 - 10:00 at the observatory

Wednesday, April 18

8:00 Registration opens
8:20 Seth Jacobson, Matija Cuk, and Matthew Tiscareno SOC and LOC chairs Announcements

Stability, or Instability, That is the Question
Dynamics of Planetary System Stability
Chair: Kassandra Anderson, Cornell University
8:30 - 10:00

8:30 Sacha Gavino University of Bordeaux Orbital stability of compact three-planets systems
8:45 Fred Adams University of Michigan The stability of tidal equilibrium for hierarchical star-planet-moon systems
9:00 Pierre Gratia Northwestern University

Stability considerations of packed multi-planet systems

9:15 Jack Lissauer NASA Ames Research Center Stability of multi-planet systems orbiting in the Alpha Centauri AB system
9:30 Billy Quarles University of Oklahoma Dynamics of circumbinary planets near the stability limit
9:45 Alexander Zderic University of Colorado Instability timescale for the inclination instability in the solar system

Coffee Break and Poster Viewing
10:00 - 10:30

1I/`Oumuamua: the First Known Interstellar Asteroid
Convener and Chair: Luke Dones, Southwest Research Institute
10:30 - 12:30

10:30 Karen Meech University of Hawaii Observations of 1I/`Oumuamua (Invited)
11:00 Darryl Seligman Yale University The feasibility and benefits of in situ exploration of 1I/`Oumuamua-like objects
11:15 Quan-Zhi Ye California Institute of Technology Telescopic and meteor observation of 1I/`Oumuamua, the first known interstellar asteroid (Invited)
11:45 Daniel Scheeres University of Colorado Stability limits for rubble pile asteroid shapes
12:00 Darin Ragozzine Brigham Young University On the detectability of interstellar objects like 1I/'Oumuamua (Invited)

Lunch break
12:30 - 2:00

The Good, the Bad, the Ugly: How Do Simulations Compare Their Data to Observers and How Can They Do It Better?
Convener and Chair: Sarah Loebman, University of California at Davis
2:00 - 3:30

2:00 Nathan Kaib University of Oklahoma Using real and simulated TNOs to constrain the outer solar system (Invited)
2:30 Robyn Sanderson California Institute of Technology Science with synthetic stellar surveys (Invited)
3:00 Kelly Holley-Bockelmann Vanderbilt University Supermassive black holes as revealed by LISA: how gravitational wave astronomy will be a game changer (Invited)

Coffee Break and Poster Viewing
3:30 - 4:00

Stretched Out Dwarfs
Dynamics of Galaxies
Chair: TBA
4:00 - 4:45

4:00 Cristobal Petrovich Canadian Institute for Theoretical Astrophysics Merging black holes in non-spherical nuclear star clusters
4:15 Heidi Newberg Rensselaer Polytechnic Institute Reconstructing the dwarf galaxy progenitor from tidal streams using MilkyWay@Home
4:30 Andrew Wetzel University of California at Davis Implications of stellar feedback for dynamical modeling of the Milky Way and dwarf galaxies

Dirk Brouwer Award Lecture
Chair: Luke Dones, Southwest Research Institute
4:45 - 5:30

4:45 Ortwin Gerhard Max Planck Institute for Extraterrestrial Physics The barred inner region of the Milky Way

DDA Member's Annual Meeting
Chair: Luke Dones, Southwest Research Institute
5:30 - 6:30

Conference Banquet
Jade Cathay (1339 N 1st St, San Jose, CA 95110)
Starts at 7:00

Thursday, April 19

8:00 Registration opens
8:20 Seth Jacobson, Matija Cuk, and Matthew Tiscareno SOC and LOC chairs Announcements

Flat Cats Instead of Spherical Cows
Dynamics of Disks
Chair: Kathryn Volk, University of Arizona
8:30 - 10:00

8:30 Konstantin Batygin California Institute of Technology Schrödinger evolution of self-gravitating disks
8:45 Diana Powell University of California at Santa Cruz Using ice and dust lines to constrain the surface densities of protoplanetary disks
9:00 Wing-Kit Lee Northwestern University Long-lived eccentric modes in protoplanetary disks
9:15 Andrew Shannon Pennsylvania State University The dynamical imprint of lost protoplanets on the trans-Neptunian populations, and limits on the primordial size distribution of trans-Neptunian objects at Pluto and larger sizes.
9:30 Joseph A'Hearn University of Idaho Dynamics of multiple bodies in a corotation resonance

Danger, Will Robinson! Danger!
Dynamics of Hazardous Asteroids
Chair: Althea Moorhead, NASA Marshall Space Flight Center
9:45 - 10:30

9:45 Alan Harris MoreData! NEA impactors: what direction do they come from?
10:00 Douglas Hamilton University of Maryland Deadly sunflower orbits
10:15 Aaron Rosengren University of Arizona Chaotic Transport in Circumterrestrial Orbits

Coffee Break and Poster Viewing
10:30 - 11:00

Ringleaders and Fellow Travelers
Dynamics of Moons
Chair: Maryame El Moutamid, Cornell University
11:00 - 11:45

11:00 Marina Brozovic NASA Jet Propulsion Laboratory Orbits of the inner satellites of Neptune
11:15 Valery Lainey NASA Jet Propulsion Laboratory Interior properties of the inner Saturnian moons from space astrometry data
11:30 William Oldroyd Brigham Young University More sophisticated fits of the orbits of Haumea's interacting moons

Never Tell Me the Odds
Dynamics of the Kuiper Belt
Chair: Rogerio Deienno, Southwest Research Insitute
11:45 - 1:05

11:45 Benjamin Proudfoot Brigham Young University Modeling the dynamical structure of the Haumea family
12:00 Nathan Benfell Brigham Young University Assessing backwards integration as a method of KBO family finding
12:15 Tali Khain University of Michigan The generation of the distant Kuiper belt by planet nine from an initially broad perihelion distribution
12:35 Steven Maggard Brigham Young University Dynamical classifications of the Kuiper belt
12:50 Christa Van Laerhoven University of British Columbia Determining the plane of the Kuiper belt with OSSOS


Poster Presentations 

All poster presentation sessions are located in the back section of the ballroom of the Four Points Sheraton San Jose Airport

Available all week

1 Aaron Boley The University of British Columbia The sustainable development of space: astro-environmental and dynamical considerations
2 Michael Cahill University of Wisconsin-Washington County Cellular analysis of boltzmann most probable ideal gas statistics
3 Rogerio Deienno Southwest Research Institute Terrestrial planet formation from an annulus -- revisited
4 David Fleming University of Washington Coevolution of binaries and circumbinary gaseous disks
5 Robert Jacobson Jet Propulsion Laboratory Constraints on the mass and location of planet 9 set by range and VLBI observations of Cassini
6 Seth Jacobson Northwestern University Planetary cross-breeding: geochemical mixing during planet formation
7 Satish Malhotra   Gravity does it: redshift of light from the galaxies yes, expanding universe no!
8 Chris Mankovich University of California at Santa Cruz A View into Saturn through its Natural Seismograph
9 William Polycarpe IMCCE Titan crossing a 5:1 MMR with Iapetus: constraining the tidal recession of Titan and giving an explanation for Iapetus' current orbit
10 Zeeve Rogoszinski University of Maryland Supermassive black holes as revealed by LISA: how gravitational wave astronomy will be a game changer
11 Chris Simonson   High-velocity cloud complex h and Weaver’s “jet”: two candidate dwarf satellite galaxies for which dark matter halo models indicate distances of ~27 kpc and ~108 kpc
12 Spencer Wallace University of Washington The influence of dynamical friction and mean motion resonances on terrestrial planet growth