Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981azh....58..630v&link_type=abstract
Astronomicheskii Zhurnal, vol. 58, May-June 1981, p. 630-635. In Russian.
Astronomy and Astrophysics
Astronomy
Comets, Natural Satellites, Planetary Evolution, Uranus (Planet), Neptune (Planet), Planetary Orbits, Planetary Rotation, Solar System
Scientific paper
It is shown that the anomalous character of the Uranus system, namely that the axis of rotation of the planet is located almost in the orbital plane, accounts for the peculiarities of the Uranus family of short-period comets. At two positions of the planet (256 and 76 deg ecliptic longitude), the axis of rotation of the planet is directed toward the sun. When eruptions occur on satellites during their passage through this region, conditions may occur under which the velocity of the eruption product is parallel to the satellite velocity and opposite to the velocity of the planet; this results in the formation of cometary orbits that cross the sphere of visibility. This effect has also been investigated for the Saturn and Neptune families of short-period comets, and good agreement has been found.
Guliev Ayyub S.
Vsekhsvyatskij S. K.
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