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Abstract <p>Comparison of mass distributions of unevaporated fragments of meteoroids and asteroids disrupted in the atmosphere and fragments of bodies disrupted in impact experiments modeling the destruction of asteroids in outer space is carried out. For the analytical description of the distributions, a relation is used that is derived under the assumption that the distribution density of the number of fragments over masses obeys a power law. The ranges of variation in the power index are estimated in both cases. Approximate dependences of the power index on the specific impact energy (destruction in experiments) and on the number of fragments (destruction in the atmosphere) are obtained.</p>

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On the Power Index in Description of Mass Distributions of Fragments of Disrupted Meteoroids and Asteroids

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • I. G. Brykina,
  • L. A. Egorova

摘要

Abstract

Comparison of mass distributions of unevaporated fragments of meteoroids and asteroids disrupted in the atmosphere and fragments of bodies disrupted in impact experiments modeling the destruction of asteroids in outer space is carried out. For the analytical description of the distributions, a relation is used that is derived under the assumption that the distribution density of the number of fragments over masses obeys a power law. The ranges of variation in the power index are estimated in both cases. Approximate dependences of the power index on the specific impact energy (destruction in experiments) and on the number of fragments (destruction in the atmosphere) are obtained.