The density of mid-sized Kuiper belt object 2002 UX25 and the formation of the dwarf planets

@article{Brown2013TheDO,
  title={The density of mid-sized Kuiper belt object 2002 UX25 and the formation of the dwarf planets},
  author={Michael E. Brown},
  journal={The Astrophysical Journal},
  year={2013},
  volume={778}
}
The formation of the largest objects in the Kuiper belt, with measured densities of ~1.5 g cm^(–3) and higher, from the coagulation of small bodies, with measured densities below 1 g cm^(–3), is difficult to explain without invoking significant porosity in the smallest objects. If such porosity does occur, measured densities should begin to increase at the size at which significant porosity is no longer supported. Among the asteroids, this transition occurs for diameters larger than ~350 km. In… Expand

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