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Issue A&A
Volume 507, Number 2, November IV 2009
Page(s) 1067 - 1072
Section Planets and planetary systems
DOI http://dx.doi.org/10.1051/0004-6361/200912936
Published online 24 September 2009

A&A 507, 1067-1072 (2009)
DOI: 10.1051/0004-6361/200912936

Near-Earth asteroids among the Iota Aquariids meteoroid stream

P. B. Babadzhanov1, I. P. Williams2, and G. I. Kokhirova1

1  Institute of Astrophysics, Dushanbe 734042, Tajikistan
    e-mail: P.B.Babadzhanov@mail.ru
2  Queen Mary University of London, E1 4NS, UK
    e-mail: I.P.Williams@qmul.ac.uk

Received 20 July 2009 / Accepted 10 September 2009

Abstract
It is shown that the near-Earth asteroids 2002JS2, 2002PD11, and 2003MT9 have very similar orbits to each other and probably a common origin. We investigate the orbital evolution of these asteroids under the perturbing action of the planets and calculated the theoretical shower parameters for any meteor shower that may be associated with these asteroids. Finally we searched the existing catalogues of meteor showers and fireballs, and found that activity has been observed corresponding to each of the theoretically predicted shower. We conclude that this asteroid-meteoroid complex is the result of a cometary break-up.


Key words: meteors, meteoroids -- minor planets, asteroids



© ESO 2009


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