PROCEEDINGS


CONTENTS



SECTION 1
Formation of Asteroids and Cometary Nuclei


T.V. Ruzmaikina
Planetesimal formation in the solar nebula..........17
A. Brunini and J.A. Fernandez
Numerical simulations of the accretion of Uranus and Neptune. II. Effect of low velocity encounters..........31
M.D. Melita and A. Brunini
The evolution of the Kuiper belt during the formation of the outer planets ..........37
L. Neslusan
Dynamics of comets in the collapsing protosolar nebula ..........45
I.V. Nemtchinov, M.Yu. Kuzmicheva, V.V. Shuvalov, A.P. Golub, O.P. Popova, I.B. Kosarev, and J. Borovicka
Sumava meteoroid - was it a small comet? ..........51



SECTION 2
Dynamical Origin and Evolution of Near-Earth Objects


R. Dvorak
The long term evolution of Atens and Apollos ..........59
A. Milani and G.F. Gronchi
Proper elements for Earth-crossers ..........75
S. Berinde
Statistical results on discovered near-Earth asteroids ..........81
Ch. Froeschle and C. Froeschle
Dynamical transport mechanisms of planet-crossing bodies ..........87
J. Ticha, M. Tichy, and Z. Moravec
Follow-up astrometry of NEOs at Klet' Observatory - present and future ..........97
S. Gajdos, A. Galad, J. Klacka, and E.M. Pittich
Orbital evolution of comet 73P/Schwassmann-Wachmann 3 and its meteor streams ..........103
A. Galad
Collisional frequency in the inner part of the Solar system..........109
E. Kostolansky
Some selection effects in the discovery of AAA's and their influences on their q and Omega distributions ..........115
E.I. Timoshkova
The orbital evolution of some near-Earth asteroids ..........121



SECTION 3
Dynamical Shaping of Asteroid Population


P. Farinella, D.R. Davis, F. Marzari, and D. Vokrouhlicky
Collisional evolution of asteroids ..........129
A. Campo Bagatin and P. Farinella
Collisional reaccumulation of asteroids ..........145
Z. Knezevic
Veritas family age revisited ..........153
P. Pravec, M. Wolf, and L. Sarounova
How many binaries are there among the near-Earth asteroids? ..........159
P. Spurny and J. Borovicka
Detection of a high density meteoroid on cometary orbit ..........163
A. Baudrand, A. Bec-Borsenberger, J. Borsenberger, and M.A. Barucci
Asteroidal recovering in the DENIS survey. A contribution of near-infrared for classifications ..........169
C. Blanco and D. Riccioli
V lightcurves and B-V colours of main-belt asteroids ..........175
Gy. Szabo, K. Sarneczky, and L.L. Kiss
The O-C diagrams of minor planets - a new approach to modelling the rotation ..........185
J. Ticha, M. Tichy, and Z. Moravec
Brief summary of Klet' photographic search programme for minor planets ..........189



SECTION 4
Cometary Populations and Physical Evolution


K.J. Meech
Chemical and physical aging of comets ..........195
Yu.D. Medvedev
On gas productivity of elongated cometary nucleus in rotation ..........211
J. Pittichova and H.U. Kaufl
The structure of thermal infrared radiation of the inner coma of comet Hale-Bopp ..........217
N.N. Kiselev
Are there two populations of comets based on polarimetric properties of dust particles? ..........223
E.M. Pittich and N.A. Solovaya
The possibility of capture of short-period comets on retrograde satellite orbits ..........229
G. Avila, C. Guirao, J. Rodriguez, J.M. Alcala, and J. Pittichova
Spectral observations of comets with simple instruments ..........235
M. Gajdosik and J. Klacka
Cometary dust trails and ejection velocities ..........239
D. Kubacek, A. Galad, and A. Pravda
Some comments about observations and image processing of comet 29P/Schwassmann-Wachmann 1 ..........243
A.M. Silva and R.D. Miro
A study of cometary eruptions through OH radio-lines ..........249
J. Svoren
Brightness of long-period comets at large heliocentric distances. II. The computer catalogue for 1945-1957 ..........255
S. Szutowicz
What happened with the comet 71P/Clark? ..........259
K.I. Churyumov, O.M. Yevtushevsky, and F.I. Kravtsov
Motion of the near-nuclear shells of comet Hale-Bopp and rotation of its nucleus ..........265
T. Paulech
Dust shells in the coma of C/1995 O1 (Hale-Bopp) ..........269



SECTION 5
Evolutionary Effects in the Distant Reservoirs


J. Klacka
Distribution of long-period comets in perihelion distance ..........277
N.A. Chujkova, M.A. Nagoga, and T.G. Maximova
The gravity influence of the regular and irregular Galaxy field on the stability of the Oort cloud ..........279
A. Ivanova, V. Ivanova, and A. Tsvetkova
CCD photometry of high inclination faint asteroids and Kuiper belt objects ..........287
J.R. Donnison and L.I. Pettit
Analysis of power law assumptions for short-period comets and Kuiper bodies ..........289



SECTION 6
Transfer Routes in the Solar System


M. Sidlichovsky
Resonances and chaos in the asteroid belt ..........297
T. Fukushima
Symmetric multistep methods revisited: II. Numerical experiments ..........309
R. Gabryszewski
Numerical modelling of Kuiper belt objects' dynamics - limitations ..........315
D. Nesvorny and A. Morbidelli
The long-term evolution of the main asteroidal belt and the origin of large Mars- and Earth-crossers ..........321



SECTION 7
Capture of Comets


J.A. Fernandez and T. Gallardo
From the Oort cloud to Halley-type comets ..........327
V.V. Emel'yanenko
>From the Solar system comet cloud to near-Earth space ..........339
P.A. Dybczynski and P. Kankiewicz
Approaches of stars to the Sun ..........345
G.B. Valsecchi
From Jupiter family comets to objects in Encke-like orbit ..........353
K.I. Ibadinov
Covering of cometary nucleus by refractory crust and its evolution into asteroid-like body ..........365
K.I. Churyumov, V.G. Kruchinenko, and R.V. Makarchuk
Size, physical properties, and orbital evolution of the comet Hale-Bopp (C/1995 O1) nucleus ..........371
E.M. Drobyshevski
Facts on space epoch versus two-century-old paradigm ..........375
M. Krolikowska, G. Sitarski, and S. Szutowicz
Models of comets with strongly variable nongravitational effects ..........381



Contributing authors ..........389


List of participants ..........391


Photo of the participants ..........403



 Last update: February 9, 2000