Abstract
Abstract The hypothesis on the role of the meteoroid impacts in the comet nuclei splitting as well as acceleration of their heliocentric velocity are considered. Inclinations of the orbits of split comets relative to the movement planes of 100 known meteoroid streams are calculated. The analysis is carried out for the cases: when the cometary nodes are located from the meteoroids orbit < 0.1 AU; MOID-values less than 0.1 AU. In the case of split long-period comets irregularity (maximum near 180°) of the distribution of the inclinations has been found. Comets, constituting this maximum, could have head-on collisions with meteoroids. A similar analysis is carried out relatively to the hyperbolic comets (HCs). Analysis is based on the assumption that the acceleration of the heliocentric velocities of the comet also is caused by collisions with meteoroids. The inclinations of the orbits of 300 HCs relative to 100 known meteoroid streams have the significant maxima in the interval of 90°− 101.5°. Acceleration of comet velocity might be the result of “slanting” collisions with meteoroids.
Highlights
The hypothesis on the role of the meteoroid impacts in the comet nuclei splitting as well as acceleration of their heliocentric velocity are considered
Analysis is based on the assumption that the acceleration of the heliocentric velocities of the comet is caused by collisions with meteoroids
In the paper (Guliyev and Nabiyev 2017), was advanced the following hypothesis regarding to the origin of these comets: long-period comet passing through meteoroid streams, may get an additional impulse after its bombing by small particles which can lead to increasing of e – eccentricity and transform the orbit into hyperbolic one
Summary
Sin i) sin (ω v) where R is the heliocentric distance of the stream in the direction of the nearest comet node, q and e are non-invariant elements of comet orbit, i and ω are the angular elements of comet orbit and v is the true anomaly of the comet, which ranges from 0 to 360 with an interval of 1. To determine the boundaries of I′ intervals, we will proceed from the principle of equal-distances of the cometary orbits’ poles by applying the statistics of the I′. For this reason, we decided to analyze the inclinations (0 − 38.9 ) clearly dominates over the other values in the of the orbits of split comets relatively to the planes of move- distribution.
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