DDA51 Meeting Abstracts · Bulletin of the AAS

The 2020 DDA meeting was a virtual meeting taking place 3–7 August.

All Abstracts

by A. Moorhead

Is LaTeX use correlated with the number of equations in a manuscript?

by P. Gratia and J. Lissauer

Eccentricity and the Lifetimes of Closely-Spaced Five-Planet Systems

by C. Filion, R. Wyse, V. Kozhurina-Platais, and I. Platais

The Low Mass Stellar Initial Mass Function of the Ultra Faint Dwarf Spheroidal Galaxy Boötes I

by M. Cuk, S. Jacobson, and K. Walsh

“Barrel Instability” for Elongated Secondaries in Binary Asteroids

by M. A. Clement, N. Kaib, and J. Chambers

New initial conditions for terrestrial planet formation derived from high resolution simulations of planetesimal accretion

by D. Veras, K. Reichert, F. Flammini Dotti, M. X. Cai, A. J. Mustill, A. Shannon, C. H. McDonald, S. Portegies Zwart, and 2 more

A full-lifetime planetary simulation: from stellar birth cluster evolution to planetary destruction around white dwarfs

by K. Volk and R. Malhotra

Dynamical instabilities in systems of multiple short-period planets are likely driven bysecular chaos: a case study of Kepler-102

by A. Rodriguez, A. Generozov, and A. Madigan

Galactic Merger Implications for Eccentric Nuclear Disks

by H. N. Wernke

Photometry of Simulated Eccentric Nuclear Disks

by A. Generozov

The Hills Mechanism and the Galactic Center S-stars

by S. Rose, S. Naoz, A. Gautam, A. Ghez, T. Do, D. Chu, A. Hees, M. Morris, and 1 more

On Socially Distant Neighbors: Binaries as Density Probes in the Galactic Center

by S. Naoz

A Hidden Friend for the Galactic Center Black Hole, Sgr A*

by S. M. Kreyche, J. W. Barnes, B. L. Quarles, J. J. Lissauer, J. E. Chambers, and M. M. Hedman

Retrograde-rotating exoplanets experience obliquity excitations in an eccentricity-enabled resonance

by C. Petrovich

Disk dispersal-driven instabilities: application to hot Neptunes

by C. Duguid, A. Barker, and C. Jones

Convective turbulent viscosity acting on equilibrium tidal flows: new frequency scaling of the effective viscosity

by S. Millholland and C. Spalding

Formation of Ultra-Short-Period Planets by Obliquity-Driven Tidal Runaway

by Y. Su and D. Lai

Dynamics of Colombo’s Top: Generating Exoplanet Obliquities from Planet-Disk Interactions

by M. P. Ronco, M. R. Schreiber, C. A. Giuppone, D. Veras, J. Cuadra, and O. M. Guilera

How Jupiters save or destroy inner Neptunes around evolved stars

by D. Veras and J. Fuller

The dynamical history and current orbital constraints of a milestone ice giant planet orbiting a white dwarf

by A. P. Stephan, S. Naoz, and B. Gaudi

Social Distancing for Stars: A hidden friend for WD J091405.30+191412.25

by C. O'Connor and D. Lai

High-e migration of planetesimals around polluted white dwarfs

by C. H. McDonald and D. Veras

How the breakup of triaxial asteroids generates debris reservoirs for white dwarf pollution

by W. J. Oldroyd and C. A. Trujillo

Constraining the Outer Solar System Perihelion Gap

by M. Rice and G. Laughlin

Surveying the Trans-Neptunian Solar System with TESS

by A. Madigan, A. Zderic, A. Collier, and M. Tiongco

Collective gravity in the Outer Solar System

by B. Proudfoot and D. Ragozzine

Unlocking the mystery of the Haumea Family

by A. Moorhead

Realistic gravitational focusing of meteoroid streams

by L. Dones, M. Womack, M. Hui, and Q. Ye

Splitting as a Source of Periodic Comets

by M. Moretto and J. McMahon

The Perturbative Effects of Gas Drag at Active Comets: Equations of Motion for the Mean Elements under General Inverse-Square Perturbations

by J. Becker, K. Batygin, D. Fabrycky, F. Adams, G. Li, A. Vanderburg, and J. Rodriguez

The Origins of Multi-Planet Systems with Misaligned, Nearby Companions

by Y. Matsumoto and M. Ogihara

Breaking resonant chains triggered by long-term mass evolution

by S. J. Morrison, R. I. Dawson, and M. G. MacDonald

Producing Close-in Super-Earths and Mini-Neptunes in Resonant Chains During In Situ Planet Formation

by I. Angelo, S. Naoz, E. Petigura, and A. P. Stephan

The Dynamical Origins of Kepler-1656b’s Extreme Eccentricity

by R. Murray-Clay, R. Frelikh, H. Jang, and C. Petrovich

A Giant Impacts Phase for Giant Planets

by Y. Huang and B. Gladman

Four Billion Year Stability of the Earth-Mars Belt

by K. Zhang

GLISSE: A GPU-optimized planetary system integrator with application to orbital stability calculations

by O. Fuentes-Munoz and D. Scheeres

Semi-analytical long-term propagation of asteroids

by D. Scheeres, J. McMahon, E. Bierhaus, J. Wood, L. Benner, C. Hartzell, P. Hayne, J. Hopkins, and 5 more

Janus: A NASA SIMPLEx mission to explore two NEO Binary Asteroids

by B. Santos, A. Prado, and O. Winter

Deflect an hazardous asteroid through kinetic impact.

by J. Margot, A. H. Greenberg, A. K. Verma, and P. A. Taylor

Measurement of Yarkovsky Drift Rates for 247 Near-Earth Asteroids

by M. Pellegrino, D. Scheeres, and B. Streetman

Influence of Solar Radiation Pressure on the Luni-Solar Resonance Structure of MEO satellites

by C. Benson and D. J. Scheeres

YORP-Driven Spin State Evolution of Meter-Sized Asteroids

by S. D. Ross

The interplanetary transport network: mechanisms of fast transport in the solar system

by A. Celletti

Regular, resonant and chaotic motions within space debris

by R. Murray-Clay

Thoughts on Building an Inclusive Community in a Challenging Environment

by E. Lieb, A. Collier, and A. Madigan

Leading Spiral Arms in Isolated Disc Galaxies

by A. Collier and A. Madigan

Halo-Bar Coupling via Secular Torques

by E. Athanassoula

Orbits in galactic bars

by K. M. Xiang, D. Nataf, E. Athanassoula, N. Zakamska, K. Rowlands, K. Masters, A. Fraser-McKelvie, and N. Drory

Buckling bars in face-on galaxies observed with MaNGA

by M. Valluri and E. Vasiliev

FORSTAND: A New Schwarzschild Dynamical Modeling Code for Galaxies of All Morphological Types

by M. Rosario Franco

Orbital Stability of Exomoons and Submoons with Applications to Kepler 1625b-I

by L. Rodet and D. Lai

Hiding resonant objects behind a big friend

by B. Quarles, G. Li, V. Kostov, and N. Haghighipour

Orbital Stability of Circumstellar Earth-like planets in Binary Systems

by S. Gavino and J. Lissauer

Orbital stability of compact three-planet systems

by A. P. Granados Contreras

Mass stability limit for coorbital planets in a horseshoe configuration

by D. Tamayo, M. Cranmer, S. Hadden, H. Rein, P. Battaglia, A. Obertas, P. Armitage, S. Ho, and 6 more

Predicting the long-term stability of compact multi-planet systems

by M. Young and M. Hedman

Evidence for a new type of moonlet wake near Enceladus

by P. D. Nicholson, R. French, C. McGhee-French, and M. El Moutamid

The outer edge of Saturn’s A ring, as revealed by Cassini occultation observations.

by M. Hedman and B. Bridges

Sudden changes in the structure and orbit of one of Saturn's dusty rings

by M. Cuk, R. French, M. Showalter, M. Tiscareno, and M. El Moutamid

Are The Inner Satellites of Uranus Stable?

by M. El Moutamid, M. Cuk, and M. Tiscareno

The Orbital History of Mimas, Enceladus and Dione

by J. A. A'Hearn, M. M. Hedman, and D. P. Hamilton

Periodic orbits for small N co-orbital satellite systems

by A. Graham

Investigating unseen exoplanets in Kepler multis

by M. MacDonald, L. K. Feil, and C. Shakespeare

Confirming and characterizing the five-planet resonant chains of K2-138 and Kepler-80

by J. J. Lissauer, D. Fabrycky, and D. Jontof-Hutter

Perturbations, TTVs & the (Un)reliability of Ephemerides of Kepler Planets

by C. Fox and P. Wiegert

Exomoon Candidates from Transit Timing Variations

by T. R. Holt, D. Vokrouhlicky, D. Nesvorny, M. Broz, and J. Horner

A pair of Jovian Trojans

by T. Moura, O. Winter, A. Amarante, R. Sfair, G. Borderes-Motta, and G. Valvano

Dynamical Environment and Surface Characteristics of Asteroid (16) Psyche

by D. Ragozzine, S. Pincock, S. Porter, D. J. Spencer, B. Proudfoot, and W. Grundy

Non-Keplerian Effects in Kuiper Belt Multiples

by V. V. Makarov, D. Veras, and A. Goldin

Spin-orbit resonances of prolate asteroids and minor planets at high eccentricity (e > 0.9)

by S. Prabhu Desai, J. Margot, P. Taylor, F. Venditti, S. Marshall, A. Virkki, D. Hickson, and L. Fernanda

Evolution of the Binary Asteroid 66391 Moshup-Squannit (1999 KW4)

by D. Seligman and K. Batygin

The Onset of Chaos in Permanently Deformed Binaries from Spin-Orbit and Spin-Spin Coupling

by M. S. Clement, S. Raymond, N. Kaib, R. Deienno, J. Chambers, and A. Izidoro

Born eccentric: constraints on Jupiter and Saturn's pre-instability orbits

by C. Wishard, J. Pouplin, J. Elliott, and D. Minton

Swiftest: An N-body dynamics code incorporating collisional regime determination and fragmentation

by J. L. Pouplin, C. Wishard, J. R. Elliott, and D. A. Minton

The Importance of Being Swiftest: The effects of collisional fragmentation on the accretion timescale of the martian moons and the terrestrial planets

by C. Spalding and F. Adams

The Solar Wind Prevents Re-accretion of Debris after Mercury's Giant Impact

by M. Rozner

The aeolian-erosion barrier for the growth of metre-size objects in protoplanetary-discs and implications

by T. Hallatt and P. Wiegert

The Dynamics of Interstellar Asteroids and Comets within the Galaxy: An Assessment of Local Candidate Source Regions for 1I/'Oumuamua and 2I/Borisov

by M. Morgan

The Yarkovsky effect for (99942) Apophis and observational predictions for the upcoming 2020–2021 close approach to Earth

by F. A. Rasio

Nature vs. nurture: a Bayesian framework for assessing apparent correlations between planetary orbital properties and stellar ages

by M. Y. He, E. B. Ford, and D. Ragozzine

51st Annual DDA Meeting (A Virtual Meeting)