The orbit, structure and evolution of the Lyrid meteoroid stream

Porubčan, V. and Kornoš, L. and Cevolani, G. (2007) The orbit, structure and evolution of the Lyrid meteoroid stream. Il nuovo cimento C, 30 (4). pp. 423-429. ISSN 1826-9885

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The orbit and structure of the Lyrid meteor stream based on photographic orbits available in the IAU Meteor database are investigated. Seventeen Lyrids were found in the database and the radiant and orbit of the stream were derived. In the stream three very distinct groups of orbits—short-period, longperiod and extreme (hyperbolic orbits), are separated. The mutual consistence of the groups is investigated by following the orbital evolution of individual meteors. The long-period group has the evolution almost identical with that of the parent comet C/1861 G1 Thatcher. The hyperbolic orbits are most probably the result of erroneous measurements.

Item Type: Article
Uncontrolled Keywords: Meteors, meteorites and tektites ; Asteroids, meteoroids
Subjects: 500 Scienze naturali e Matematica > 550 Scienze della Terra > 551 Geologia, Idrologia, Meteorologia
Depositing User: Marina Spanti
Date Deposited: 20 Mar 2020 17:00
Last Modified: 20 Mar 2020 17:00

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