Max Goldberg
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View article: Unexpected Near-Resonant and Metastable States of Young Multiplanet Systems
Unexpected Near-Resonant and Metastable States of Young Multiplanet Systems Open
Recent observations suggest that the incidence of near-resonant planets declines as planetary systems age, making young planetary systems key signposts of early dynamical evolution. Here we investigate the dynamical states of three of the …
View article: Terrestrial Planet Formation from Two Source Reservoirs
Terrestrial Planet Formation from Two Source Reservoirs Open
This work describes new dynamical simulations of terrestrial planet formation. The simulations started at the protoplanetary disk stage, when planetesimals formed and accreted into protoplanets, and continued past the late stage of giant i…
View article: Terrestrial Planet Formation from Two Source Reservoirs
Terrestrial Planet Formation from Two Source Reservoirs Open
This work describes new dynamical simulations of terrestrial planet formation. The simulations started at the protoplanetary disk stage, when planetesimals formed and accreted into protoplanets, and continued past the late stage of giant i…
View article: Dynamical Origins of the Chemical Architecture of the Terrestrial Planets
Dynamical Origins of the Chemical Architecture of the Terrestrial Planets Open
The models most successful in reproducing the dynamical architecture of the inner Solar System invoke a single ring of rocky material that, over 100 Myr, accreted into the rocky planets. This paradigm explains the presence of two closely-s…
View article: Terrestrial planet formation from a ring of planetesimals (Invited)
Terrestrial planet formation from a ring of planetesimals (Invited) Open
The formation of terrestrial planets from a ring of planetesimals was initially proposed by Hansen (2009) as a solution to the planet’s mass distribution pattern, namely with two small planets at the edges of the semi major axis distributi…
View article: The Chaotic Spin-Orbit Dynamics of a Migrating Hyperion
The Chaotic Spin-Orbit Dynamics of a Migrating Hyperion Open
The dynamics of the outer regular satellites of Saturn are driven primarily by the outward migration of Titan, but several independent constraints on Titan's migration are difficult to reconcile with the current resonant orbit of the small…
View article: The Prevalence of Resonance Among Young, Close-in Planets
The Prevalence of Resonance Among Young, Close-in Planets Open
Multiple planets undergoing disk migration may be captured into a chain of mean-motion resonances with the innermost planet parked near the disk’s inner edge. Subsequent dynamical evolution may disrupt these resonances, leading to the nonr…
View article: Nutation-orbit resonances: The origin of the chaotic rotation of Hyperion and the barrel instability
Nutation-orbit resonances: The origin of the chaotic rotation of Hyperion and the barrel instability Open
While numerous planetary and asteroid satellites show evidence for non-trivial rotation states, none are as emblematic as Hyperion, which has long been held as the most striking example of chaotic spin-orbit evolution in the Solar System. …
View article: Nutation-orbit resonances: The origin of the chaotic rotation of Hyperion and the barrel instability
Nutation-orbit resonances: The origin of the chaotic rotation of Hyperion and the barrel instability Open
While numerous planetary and asteroid satellites show evidence for non-trivial rotation states, none are as emblematic as Hyperion, which has long been held as the most striking example of chaotic spin-orbit evolution in the Solar System. …
View article: Breaking Giant Chains: Early-stage Instabilities in Long-period Giant Planet Systems
Breaking Giant Chains: Early-stage Instabilities in Long-period Giant Planet Systems Open
Orbital evolution is a critical process that sculpts planetary systems, particularly during their early stages where planet–disk interactions are expected to lead to the formation of resonant chains. Despite the theoretically expected prom…
View article: The Prevalence of Resonance Among Young, Close-in Planets
The Prevalence of Resonance Among Young, Close-in Planets Open
Multiple planets undergoing disk migration may be captured into a chain of mean-motion resonances with the innermost planet parked near the disk's inner edge. Subsequent dynamical evolution may disrupt these resonances, leading to the non-…
View article: Breaking Giant Chains: Early-Stage Instabilities in Long-Period Giant Planet Systems
Breaking Giant Chains: Early-Stage Instabilities in Long-Period Giant Planet Systems Open
Orbital evolution is a critical process that sculpts planetary systems, particularly during their early stages where planet-disk interactions are expected to lead to the formation of resonant chains. Despite the theoretically expected prom…
View article: Chaotic tides as a solution to the Hyperion problem
Chaotic tides as a solution to the Hyperion problem Open
The dynamics of the outer regular satellites of Saturn are driven primarily by the outward migration of Titan, but several independent constraints on Titan's migration are difficult to reconcile with the current resonant orbit of the small…
View article: A $5M_\text{Jup}$ Non-Transiting Coplanar Circumbinary Planet Around Kepler-1660AB
A $5M_\text{Jup}$ Non-Transiting Coplanar Circumbinary Planet Around Kepler-1660AB Open
Over a dozen transiting circumbinary planets have been discovered around eclipsing binaries. Transit detections are biased towards aligned planet and binary orbits, and indeed all of the known planets have mutual inclinations less than $4.…
View article: Dynamics and Origins of the Near-resonant Kepler Planets
Dynamics and Origins of the Near-resonant Kepler Planets Open
Short-period super-Earths and mini-Neptunes encircle more than ∼50% of Sun-like stars and are relatively amenable to direct observational characterization. Despite this, environments in which these planets accrete are difficult to probe di…
View article: TOI-1136 is a Young, Coplanar, Aligned Planetary System in a Pristine Resonant Chain
TOI-1136 is a Young, Coplanar, Aligned Planetary System in a Pristine Resonant Chain Open
Convergent disk migration has long been suspected to be responsible for forming planetary systems with a chain of mean-motion resonances (MMRs). Dynamical evolution over time could disrupt the delicate resonant configuration. We present TO…
View article: Architectures of Compact Super-Earth Systems Shaped by Instabilities
Architectures of Compact Super-Earth Systems Shaped by Instabilities Open
Compact nonresonant systems of sub-Jovian planets are the most common outcome of the planet formation process. Despite exhibiting broad overall diversity, these planets also display dramatic signatures of intrasystem uniformity in their ma…
View article: A Tidal Origin for a Three-body Resonance in Kepler-221
A Tidal Origin for a Three-body Resonance in Kepler-221 Open
Over the course of the last two decades, traditional models of planet formation have been repeatedly challenged by the emerging census of extrasolar planets. Key among them is the orbital architecture problem: while standard models of orbi…
View article: A Tidal Origin for a 3-body Resonance in Kepler-221
A Tidal Origin for a 3-body Resonance in Kepler-221 Open
Over the course of the last two decades, traditional models of planet formation have been repeatedly challenged by the emerging census of extrasolar planets. Key among them is the orbital architecture problem: while standard models of orbi…
View article: Prospects for Refining Kepler TTV Masses Using TESS Observations
Prospects for Refining Kepler TTV Masses Using TESS Observations Open
In this paper we investigate systems previously identified to exhibit transit timing variations in Kepler data, with the goal of predicting the expected improvements to the mass and eccentricity constraints that will arise from combining K…