Search for meteor showers associated with Near-Earth Asteroids

Бабаджанов, П. Б.

doi:10.1051/0004-6361:20010583

Cited by 43 publications

(46 citation statements)

References 18 publications

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“…The center of the stream is clearly related to comet 2P/Encke. The relation of other parts of the complex to about two dozens of Apollo asteroids has been proposed (Babadzhanov 2001;Porubčan et al 2006). It is, however, possible that some coincidences are random, since the orbits are similar to those of asteroids evolving from the ν 6 resonance (Valsecchi et al 1995).…”

Section: Known Parent Bodiesmentioning

confidence: 99%

Properties of meteoroids from different classes of parent bodies

Borovička

2006

Proc. IAU

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Abstract. Meteoroids observed to disintegrate in the terrestrial atmosphere can be directly linked to their parent bodies in case that they belong to certain meteor showers. We present a list of two dozens of parent bodies reliably associated with well recognized meteor showers. Among the parent bodies are long period comets, Halley-type comets, Jupiter family comets, comets of the inner solar system (such as 2P/Encke) and asteroids.Physical and chemical properties of meteoroids coming from various parents are compared on the basis of meteor heights, decelerations, light curves and spectra. Jupiter family comets produce meteoroids with the lowest strength, namely porous aggregates of dust grains with bulk densities of about 0.3 g cm −3 or less. Halley type material is somewhat stronger and the material related to comet Encke is even stronger. In addition, small strong constituents, perhaps similar to carbonaceous chondrites, can be encountered within the normal cometary material. The strength of cometary material is also enhanced by long-term exposure to cosmic rays and by solar heating in the vicinity to the Sun (r < 0.2 AU). Both these processes lead to the loss of volatile sodium. Southern δ-Aquariids, Geminids and partly also Quadrantids were influenced by solar radiation. We argue that these showers, the asteroids associated with them ((3200) Phaethon and 2003 EH 1), and the whole interplanetary complexes they belong to are of cometary origin. The argument is supported by lower than chondritic Fe/Mg ratio found in Geminids as well as in Halley type comets. The typical property of stony meteoroids of asteroidal origin is the presence of internal cracks which cause that the incoming meteoroids are much weaker than the recovered meteorites.

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Section: Known Parent Bodiesmentioning

confidence: 99%

Properties of meteoroids from different classes of parent bodies

Borovička

2006

Proc. IAU

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“…Based on different criteria, like "D-criterion", several authors have determined the asteroids belonging to TC Babadzhanov 2001;Babadzhanov et al 2008). The size of these asteroids ranges from several kilometers in diameter like (5143) Heracles, (6063) Jason, and (2201) Oljato, down to meter size bodies.…”

Section: Introductionmentioning

confidence: 99%

Spectral properties of the largest asteroids associated with Taurid Complex

Popescu

Birlan

Nedelcu

et al. 2014

A&A

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Context. The Taurid Complex is a massive stream of material in the inner part of the Solar System. It contains objects spanning the range of 10 −6 -10 3 m, considered by some authors to have a common cometary origin. The asteroids belonging to Taurid Complex are on Apollo type orbit, with most of them being flagged as potentially hazardous asteroids. In this context, understanding the nature and the origin of this asteroidal population is not only of scientific interest but also of practical importance. Aims. We aim to investigate the surface mineralogy of the asteroids associated with Taurid Complex using visible and near-infrared spectral data. Compositional linking between these asteroids and meteorites can be derived based on the obtained spectra. Methods. We obtained spectra of six of the largest asteroids (2201, 4183, 4486, 5143, 6063, and 269690) associated with Taurid complex. The observations were made with the IRTF telescope equipped with the spectro-imager SpeX. Their taxonomic classification is made using Bus-DeMeo taxonomy. The asteroid spectra are compared with the meteorite spectra from the Relab database. Mineralogical models were applied to determine their surface composition. All the spectral analysis is made in the context of the already published physical data. Results. Five of the objects studied in this paper present spectral characteristics similar to the S taxonomic complex. The spectra of ordinary chondrites (spanning H, L, and LL subtypes) are the best matches for these asteroid spectra. The asteroid (269690) 1996 RG3 presents a flat featureless spectrum which could be associated to a primitive C-type object. The increased reflectance above 2.1 microns constrains its geometrical albedo to a value around 0.03. Conclusions. While there is an important dynamical grouping among the Taurid Complex asteroids, the spectral data of the largest objects do not support a common cometary origin. Furthermore, there are significant variations between the spectra acquired until now.

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“…Hence the most efficient method to use depends on the results required and the type of orbit. For the two NEOs NEAs 2002JS2 and 2002PD11, we have used the Halphen-Goryachev integration method (Goryachev 1937) to calculate the secular variations of the orbital elements as this was shown by Babadzhanov (2001) to be quite efficient for integrating this type of orbits. NEA 2003MT9 moves on an orbit that is in 3:1 resonance with Jupiter.…”

Section: The Orbital Evolution Of the Neosmentioning

confidence: 99%

Near-Earth asteroids among the Iota Aquariids meteoroid stream

Бабаджанов¹,

Williams²,

Кохирова³

2009

A&A

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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.

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Search for meteor showers associated with Near-Earth Asteroids

Cited by 43 publications

References 18 publications

Properties of meteoroids from different classes of parent bodies

Properties of meteoroids from different classes of parent bodies

Spectral properties of the largest asteroids associated with Taurid Complex

Near-Earth asteroids among the Iota Aquariids meteoroid stream

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