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Collisions are a fundamental process in the creation of asteroid families and in satellite formation. For this reason, understanding the outcome of impacts is fundamental to the accurate modeling of t...
Asteroid shapes and satellite formation: role of gravitational re-accumulation.Following current evidence, it is widely accepted that many asteroids would be ‘gravitational aggregates’, i.e. bodies la...
We present results of 161 numerical simulations of impacts into 100-km diameter asteroids, examining debris trajectories to search for the formation of bound satellite systems. Our simulations utilize...
Numerical simulations of the collisional disruption of large asteroids show that although the parent body is totally shattered, subsequent gravitational reaccumulation leads to the formation of an ent...
We have re-measured control points and re-computed a control point network for Saturn’s satellite Dione. Our network is based on16 images (obtained by the narrow-angle cameras of Voyager I and II), 1...
The stability of the motion of the planet satellites is considered in the model of the general three-body problem (Sun-planet-satellite). "Sundman surfaces" are constructed, by means of which the conc...
Precise measurement of irradiance over the earth under various circumstances like solar flares, coronal mass ejections, over an 11-year solar cycle, etc. leads to better understanding of Sun–earth r...

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