The Shoemaker-Levy 9 impact plumes on Jupiter: Implications for threat to satellites in low-Earth orbit

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Computational simulations of the impacts of comet Shoemaker-Levy 9 (SL9) fragments on Jupiter have provided a framework for interpreting the observations. A reasonably consistent picture has emerged, along with a more detailed understanding of atmospheric collisional processes. Several aspects of Earth-impact hazards can be re-evaluated with knowledge gained from observations and from simulations of SL9. In particular, the threat of impact-generated plumes to satellites in low-Earth orbit (LEO) should be recognized. Preliminary 2-D computational simulations suggest that impacts of a size that recur about once per century generate plumes that rise to nearly 1000 kilometers over an area thousands of ... continued below

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14 p.

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Boslough, M.B. & Crawford, D.A. August 1, 1995.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

Computational simulations of the impacts of comet Shoemaker-Levy 9 (SL9) fragments on Jupiter have provided a framework for interpreting the observations. A reasonably consistent picture has emerged, along with a more detailed understanding of atmospheric collisional processes. Several aspects of Earth-impact hazards can be re-evaluated with knowledge gained from observations and from simulations of SL9. In particular, the threat of impact-generated plumes to satellites in low-Earth orbit (LEO) should be recognized. Preliminary 2-D computational simulations suggest that impacts of a size that recur about once per century generate plumes that rise to nearly 1000 kilometers over an area thousands of kilometers in diameter. Detailed modeling of such plumes should be carried out to quantify this threat to satellites in the near-Earth environment. Careful observations of high-energy atmospheric entry events should be made using both satellite and ground-based instruments to provide validation for these computational models.

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14 p.

Notes

OSTI as DE95016084

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  • Planetary defense workshop, Livermore, CA (United States), 22-26 May 1995

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  • Other: DE95016084
  • Report No.: SAND--95-1669C
  • Report No.: CONF-9505266--1
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 100126
  • Archival Resource Key: ark:/67531/metadc625033

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  • August 1, 1995

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  • June 16, 2015, 7:43 a.m.

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  • April 14, 2016, 12:40 p.m.

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Boslough, M.B. & Crawford, D.A. The Shoemaker-Levy 9 impact plumes on Jupiter: Implications for threat to satellites in low-Earth orbit, article, August 1, 1995; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc625033/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.