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Abstract: The Minimum Mass Solar Nebula MMSN is a protoplanetary disk that containsthe minimum amount of solids necessary to build the planets of the SolarSystem. Assuming that the giant planets formed in the compact configurationthey have at the beginning of the -Nice model-, Desch 2007 built a new MMSN.He finds a decretion disk, about ten times denser than the well-known HayashiMMSN. The disk profile is almost stationary for about ten million years.However, a planet in a protoplanetary disk migrates. In a massive, long-liveddisk, this question has to be addressed. With numerical simulations, we showthat the four giant planets of the Solar System could not survive in this disk.In particular, Jupiter enters the type III, runaway regime, and falls into theSun like a stone. Known planet-planet interaction mechanisms to preventmigration, fail in this nebula, in contrast to the Hayashi MMSN. Planetarymigration constrains the construction of a MMSN. We show how this should bedone self-consistently.



Autor: A. Crida

Fuente: https://arxiv.org/







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