Abstract
Differential evolution of the orbits of near-Earth asteroid (NEA) 2003 EH1 and comet 96P/Machholz 1 under perturbing action of planets was investigated for the time interval of 28000 years. The similarity of the orbits was analyzed with the Southworth–Hawkins criterion D SH. It has been shown that both the comet and the asteroid can be fragments of a nucleus of the same larger comet being a progenitor of the Quadrantid complex. A break-up of the parent comet apparently occurred approximately 9500 years ago. NEA 2003 EH1 is actually a dormant fragment of a nucleus of the parent comet. It was concluded that comet 96P/Machholz 1, NEA (186256) 2003 EH1 of the Amore group, and the Quadrantid meteorite swarm form a family of related objects.
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Original Russian Text © P.B. Babadzhanov, G.I. Kokhirova, Yu.V. Obrubov, 2016, published in Kinematika i Fizika Nebesnykh Tel, 2016, Vol. 32, No. 5, pp. 60–67.
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Babadzhanov, P.B., Kokhirova, G.I. & Obrubov, Y.V. On the cometary nature of near-Earth asteroid 2003 EH1. Kinemat. Phys. Celest. Bodies 32, 250–254 (2016). https://doi.org/10.3103/S0884591316050044
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DOI: https://doi.org/10.3103/S0884591316050044