Contents

Solar System Research

---

Vol. 50, No. 6, 2016

A simultaneous English language translation of this journal is available from Pleiades Publishing, Ltd.
Distributed worldwide by Springer. Solar System Research ISSN 0038-0946.

---

Comparison of the Structures of Meteor Streams of Cometary and Possible Asteroidal Origin

M. G. Sokolova and M. V. Sergienko p. 379  abstract

Secular Evolution of the Orbits of Hypothetical Satellites of Uranus

M. A. Vashkov’yak p. 390  abstract

Astrometric Studies of the Results of a New Reduction of Old Photographic Observations of the Saturnian System Based on the Comparison with the Modern Theories of Satellite Motion

T. P. Kiseleva, T. A. Vasil’eva, E. A. Roshchina and I. S. Izmailov p. 402  abstract

Gravitational Instability in the Dust Layer of a Protoplanetary Disk: Interaction of Solid Particles with Turbulent Gas in the Layer

I. N. Ziglina and A. B. Makalkin p. 408  abstract

The Hori–Deprit Method for Averaged Motion Equations of the Planetary Problem in Elements of the Second Poincaré System

A. S. Perminov and E. D. Kuznetsov p. 426  abstract

Nonsingular Expansions of the Gravity Potential and Its Derivatives at Satellite Altitudes in the Ellipsoidal Coordinate System

A. N. Vershkov and M. S. Petrovskaya p. 437  abstract

On the Lack of Any Statistically Significant Effect of Mercury on the Solar Wind Velocity near the Orbit of the Earth

I. S. Veselovsky and Yu. S. Shugay p. 447  abstract

---