Searching for the Parent of the Tunguska Cosmic Body

Details Searching for the Parent of the Tunguska Cosmic Body Searching for the Parent of the Tunguska Cosmic Body

Jun 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008em%26p..102...53j&link_type=abstract

Earth, Moon, and Planets, Volume 102, Issue 1-4, pp. 53-58

Computer Science

2

Meteoroids, Minor Planets, Comets, Methods, Numerical

Scientific paper

We present the results of an extensive study of the Tunguska Cosmic Body (TCB) origin on dynamical grounds. To identify the TCB parent, or a plausible candidate, we applied the well-known concept of dynamical similarity whereby we have compared the geocentric and heliocentric dynamical parameters of a selected set of the Near Earth Objects (NEOs) and TCB particles. First, we made use the idea of Kresak by comparing geocentric coordinates of the TCB radiant with those of the NEOs. Second, we studied the long-term dynamical evolution of all NEOs and TCB particles searching for similarities between their heliocentric orbits. As a general result, we observed many more similar cases and a different pattern of the high orbital similarity among the TCB particles and the asteroid orbits than we did for comets.

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