Dynamics of Comets: Their Origin and Evolution: Proceedings of the 83rd Colloquium of the International Astronomical Union, Held in Rome, Italy, 11–15 June 1984

Front Matter....Pages i-xi
Front Matter....Pages 1-1
The Origin of Comets among the Accreting Outer Planets....Pages 3-10
Statistical Test of the Distribution of Perihelion Points and its Implication for Cometary Origin....Pages 11-17
Molecular Clouds: Comet Factories?....Pages 19-30
Dynamical Interactions of the Solar System with Massive Nebulae....Pages 31-41
Front Matter....Pages 43-43
The Formation and Dynamical Survival of the Comet Cloud....Pages 45-70
Empirical Data from Oort’s Cloud....Pages 71-85
Dynamical Evolution of The Oort Cloud....Pages 87-96
Stellar Perturbations on Comets....Pages 97-104
Some Remarks about the Aphelion Distribution of Long Period Comets on the Sky....Pages 105-111
Front Matter....Pages 113-113
The Formation and Evolution of Meteor Streams....Pages 115-127
The Transition Between Long Period Comets, Short Period Comets and Meteoroid Streams....Pages 129-142
The Past and Future of 1983 TB and its Relationship to the Geminid Meteor Stream....Pages 143-148
Interrelations between Comets and Asteroids....Pages 149-172
On the Rotation of Cometary Nuclei and Small Asteroids....Pages 173-178
The Orbital Evolution of Meteor Streams at the 2/1 Resonance with Jupiter....Pages 179-180
Dynamical Effects of Cometary Bombardment of Saturn’s Rings and Moons....Pages 181-182
Front Matter....Pages 183-183
An Efficient Integrator that Uses Gauss-Radau Spacings....Pages 185-202
The Long-Term Evolution Project....Pages 203-214
Errors in Numerical Integrations and Chaotic Motions....Pages 215-226
One of the Problems of Long-Term Integrations of Cometary Orbits....Pages 227-235
Front Matter....Pages 183-183
The Role of the Researches of E.I. Kazimirchak-Polonskaya on the Dynamical Evolution of Short-Period Comets....Pages 237-241
Review of Studies on Capture of Comets by Neptune and its Role in the Dynamic Evolution of Cometary Orbits....Pages 243-258
Front Matter....Pages 259-259
Statistical and Numerical Studies of the Orbital Evolution of Short-Period Comets....Pages 261-278
The Aging and Lifetimes of Comets....Pages 279-302
Planetary Perturbations, Dynamical Energy and Evolution of Orbital Elements of Periodic Comets....Pages 303-310
The Problem of the 1/a-Distribution and Cometary Fading....Pages 311-317
First Results of the Integration of Motion of Short-Period Comets Over 800 Years....Pages 319-340
Front Matter....Pages 341-341
Nongravitational Forces on Comets: The First Fifteen Years....Pages 343-352
Do Comet Groups Exist?....Pages 353-363
A Study of the Pre-Discovery Motion of the Two Asteroids 1983 SA and 1983 XF....Pages 365-370
Influence of Non-Gravitational Forces on the Orbital Evolution of the Short-Period Comets....Pages 371-379
On the Nongravitational Effects in the Comet Encke Motion....Pages 381-385
Front Matter....Pages 387-387
The Dynamical History of Comet Halley....Pages 389-398
The Past Orbit of Comet Halley and Its Meteor Stream....Pages 399-403
The International Cometary Explorer (ICE) Mission to Comet Giacobini-Zinner (G/Z)....Pages 405-414
The Selection of Comets for Future Space Missions....Pages 415-421
Back Matter....Pages 423-439