Groups of meteorites and meteorite-dropping fireballs in asteroidal orbits

Gorbanev, Yuriy M.; Konovalova, N. A.; Davruqov, N. Kh.; Горбаньов, Юрій Михайлович; Горбанёв, Юрий Михайлович

Groups of meteorites and meteorite-dropping fireballs in asteroidal orbits

Файли

4902.pdf (539.61 KB)

Дата

2021

Автори

Gorbanev, Yuriy M.

Konovalova, N. A.

Davruqov, N. Kh.

Горбаньов, Юрій Михайлович

Горбанёв, Юрий Михайлович

Анотація

This paper presents the results of a study of the existence of nine near-Earth meteorite-producing groups in asteroidal orbits, containing sporadic reballs from the IAU MDC-2007 database, sporadic meteors from the SonotaCo database, meteorites namely, L5, L6 and H4−H6 ordinary chondrites and an ureilite, for which atmospheric and orbital parameters are known from instrumental observations. Orbits of the selected members of meteorite-producing groups were classi ed as asteroid orbits according to the Tisserand parameter Tj > 3.1. Dynamic links between the members of the identi ed meteorite-producing groups and instrumentally observed known meteorites which were taken as a reference for the search of potential group members were tested using orbital similarity criteria, in particular the Drummond criterion DD and the Southworth and Hawkins criterion DSH. As a result, several meteorite-dropping sporadic reballs and small meteors, whose orbits are similar to the asteroid orbits of nine known meteorites, were detected and reckoned as possible members of meteorite-producing groups.

Ключові слова

meteorite-producing group, meteor, fireball, meteorite, ordinary chondrite, Earthcrossing orbit

Бібліографічний опис

Journal of Physical Studies