Programm    Mo[13.5]    Di[14.5]    Mi[15.5] Participants Proceedings Contacts   3rd Austrian Hungarian Workshop Birgit Priebe Escapes and Collisions in the inner Solar System Our solar system seems to be stable, but the work of Jaques Laskar (1996) showed the chaotic features of our planetary system. For our calculations, we used a presumed stable model - the inner solar system with Jupiter and Saturn. We calculated the orbit of Mercury over a period of 10 million years with different initial conditions for its eccentricity. We found several close encounters between Mercury and Venus; additionally collisions of this two planets were found for values of e larger than 0.5. This result verifies Laskars work where he also proposes chaotic behavior of Mercury at rather low values of its eccentricity.