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Checking the Compatibility of the Cold Kuiper Belt with a Planetary Instability Migration Model
Rodney Gomes, David Nesvorny, Alessandro Morbidelli +2
The origin of the orbital structure of the cold component of the Kuiper belt is still a hot subject of investigation. Several features of the solar system suggest that the giant pl…
Dynamical Evolution Induced by Planet Nine
Konstantin Batygin, Alessandro Morbidelli
The observational census of trans-Neptunian objects with semi-major axes greater than ~250 AU exhibits unexpected orbital structure that is most readily attributed to gravitational…
Formation, stratification, and mixing of the cores of Earth and Venus
Seth A. Jacobson, David C. Rubie, John Hernlund +2
Earth possesses a persistent, internally-generated magnetic field, whereas no trace of a dynamo has been detected on Venus, at present or in the past, although a high surface tempe…
Effects of global gas flows on type I migration
Masahiro Ogihara, Eiichiro Kokubo, Takeru K. Suzuki +2
Magnetically-driven disk winds would alter the surface density slope of gas in the inner region of a protoplanetary disk . This in turn affects planet form…
Size-dependent modification of asteroid family Yarkovsky V-shapes
Bryce T. Bolin, Alessandro Morbidelli, Kevin J. Walsh
The thermal properties of the surfaces of asteroids determine the magnitude of the drift rate cause by the Yarkovsky force. In the general case of Main Belt asteroids, the Yarkovsk…
A Martian Origin for the Mars Trojan Asteroids
David Polishook, Seth A. Jacobson, Alessandro Morbidelli +1
Seven of the nine known Mars Trojan asteroids belong to an orbital cluster named after its largest member 5261 Eureka. Eureka is likely the progenitor of the whole cluster, which f…