A Detailed Colloquium Programme

Monday, 1 July

09:00 - 18:00: Registration
09:30: Welcome and Opening Address

Chairman: K. Kurzynska (Poland)

10:30: Astrometry in the Future
P.K. Seidelmann (USA)
11:00: Discoveries in the Solar System - Three Different Approaches: Uranus, Neptune, Pluto
S. Debarbat (France)
11:30: Astronomical Ephemeris Definitions and Constants in General Relativity
V.A. Brumberg (Russia)
12:00: Applications of Parallel Processing to Astrodynamics
S.Coffey (USA)
12:30: Lunch

Solar System Dynamics

Chairman: D.K. Yeomans (USA)

14:30: Galilean Satellites and the Galileo Space Mission
J. Lieske (USA)
15:00: Rosetta Radio Science Investigations: Gravity Field Investigations at Comet P/Wirtanen
M. Paetzold et al. (Germany)
15:30: Hyperion as a Dust Source in the Saturnian System
M. Banaszkiewicz (Poland) and A. Krivov (Russia)
15:50: Capture of Halley-type and Jupiter-family Comets from the Near-parabolic Flux
V.V. Emel'yaenko (Russia) and M.E. Bailey (United Kingdom)
16:10: Poster Session
16:50: A Clementine II Mission to the Asteroids: Trajectory Design
A. Hope, B. Kaufman , and D. Bakeris (USA)
17:20: Determination of Eigenorbits for Asteroids and Comets
K. Muinonen (Finland) and A. Milani (Italy)
17:50: Dynamics of Short-Period Comets
J.Q. Zheng (Finland), M.J. Valtonen (Finland), and H. Rickman (Sweden)
18:10: The Galactic Disk Tidal Force: The Simulated Population of the Observable Oort Cloud
P. Dybczynski and H. Pretka (Poland)
18:30: End of Session
20:00: Concert by the Stefan Stuligrosz choir: 'Poznan Nightingales'

Tuesday, 2 July

Reference Systems and Astronomical Standards

Chairman: T. Corbin (USA)

09:00: Optical-Radio Reference Ties
J. Kovalevsky (France)
09:30: Reference Systems
T. Fukushima (Japan)
10:00: Dynamics of Minor Planets from Hipparcos Data
J. Bange and A. Bec-Borsenberger (France)
10:20: Catalogues of Intermediate Stars in Radio-Source Vicinities
I. Kumkova and A. Kolomietz (Russia)
10:40: Poster Session
11:20: Contributions of the US Naval Observatory to the Optical Reference Frame - Current and Projected
T. Corbin and S. Gauss (USA)
11:50: Earth rotation in the Hipparcos Reference Frame
J. Vondrak
12:20: Comparison of the Principal Term of Nutation Derived from Optical Astrometry and VLBI Observations.
Ch. Bizouard, N. Capitaine (France) and C. Ron (Czech Republic)
12:40: The ROTOR: A New Method to Derive Rotation between Two Reference Frames
V. Vityazev (Russia)
13:00: Lunch

New Observational Techniques, Catalogues and Astrometry

Chairman: J. Kovalevsky (France)

15:00: Radar Astrometry of Asteroids, Comets and Natural Satellites
S.J. Ostro (USA)
15:30: Asteroid Spins: From the Very Fast to the Very Slow
A.W. Harris (USA)
16:00: Astrometry of Faint Planetary Satellites with the HST WFPC2
D. Pascu, J.R. Rohde, P.K. Seidelmann, E. Wells, C. Kowal, B. Zellner, A. Storrs, D.G. Currie, D.M. Dowling (USA)
16:20: ITA-CrAO Minor Planet Survey: Results and Prospects
N.S. Chernykh and A.G. Sokolsky (Ukraine)
16:40: Poster Session
17:10: CCD Astrometry of the Solar System
J.-E. Arlot and F. Colas (France)
17:40: CCD Observations of Planets and Asteroids in the Extragalactic Reference Frame
R.C. Stone (USA)
18:00: Astrometric Positions of Quasars by CCD Observations
M. Assafin, R.V. Martins, and A.H. Andrei (Brazil)
18:20: One-Image Poznan Astrolabe: Principles and Practice
K. Kurzynska, A. Gabryszewska, B. Baranowski, P.A. Dybczynski (Poland)
18:40: End of Session
20:00: Reception

Wednesday, 3 July

New Mathematical Techniques

Chairman: E. Wnuk (Poland)

09:00: Poincare's Methode Nouvelle: a Rehabilitation
A. Deprit (USA)
09:30: Circumventing an Essential Singularity in Attitude Dynamics
A. Elipe (Spain)
10:00: Orbital Arc Length as a Universal Independent Variable
L. Floria (Spain)
10:20: Chebyshev Polynomials in Space Dynamics
R. Barrio and A. Elipe (Spain)
10:40: Poster Session
11:10: Lie Series Mapings, Averaging Theories, and Resonance
S. Ferraz-Mello (Brazil)
11:40: Semi-Analitical and Semi-Numerical Methods in Celestial Mechanics
S. Breiter (Poland)
12:10: About New Perturbation Methods in Solar System Dynamics
E.A.Grebenikov (Russia)
12:30: The Hamiltonian of the N-Body Problem as a D'Alembertian Function
K.V. Kolshevnikov (Russia)
12:50: Lunch

Solar System Dynamics

Chairman: J. Lieske (USA)

15:00: The Lunar Physical Librations
X X Newhall and J.G. Williams (USA)
15:30: Lunar Motion: Theory and Observations
J. Chapront and M. Chapront-Touze (France)
16:00: A Study of Lunar Physics by Lunar Laser Ranging Data
W.J. Jin and J.L. Li (China)
16:20: Analysis of LLR Data by the Program System ERA
E. Yu. Aleshkina, G.A. Krasinsky, and M.V. Vasilyev (Russia)
16:40: Poster Session
17:10: Comet and Asteroid Ephemerides for Spacecraft Encounters
D.K. Yeomans (USA)
17:40: Universal Programming System ERA for High-Precision Applications of Dynamics and Ephemeris Astronomy
G. Krasinsky and M. Vasilyev (Russia)
18:00: Integration of the Relativistic Barycentric Equations of Motion of Solar System Bodies
X. Moisson (France)
18:20: Numerical Simulation of the Rotational Motion of the Earth and Moon
G.I. Eroshkin and V.V. Pashkevich (Russia)
18:40: Randezvous with the Spaceguard Foundation
A. Carusi (Italy), S. Isobe (Japan), B.G. Marsden (USA), K. Muinonen (Finland), E.M. Schoemaker (USA), D.I. Steel (Australia)

Thursday, 4 July

Solar System Dynamics

Chairman: X X Newhall (USA)

09:00: Resonance Problems for Solar System Small Bodies
A. Morbidelli (France)
09:30: Recent Progress in Analytical Modeling of Relativistic Effects of Lunar Motion
K. Nordtvedt (USA) and Vokhroulicky D. (Czech Republik)
10:00: Comparison of the Representations of the Motions of the Eight Major Satellites of Saturn.
L. Duriez and A. Vienne (France)
10:20: An Improved Model to Study Resonance Trapping
R.S. Gomes (Brazil)
10:40: Poster Session

Dynamics and Observational Problems of Artificial Satellites and Space Debris

Chairman: F. Barlier (France)

11:10: Future Artificial Satellite Theories
F.R. Hoots (USA)
11:40: An Efficient Artificial-Satellite Theory for Parallel Processing
E. Wnuk (Poland)
12:10: Orbital Instability Zones of Space Balloons
A.V. Krivov, L.L. Sokolov (Russia), and J. Getino (Spain)
12:30: The Effect of Gravitational Waves on the Motion of Artificial Satellites
H.A.Y. Manal (Egypt)
12:50: Lunch

Dynamics and Observational Problems of Artificial Satellites and Space Debris

Chairman: P.K. Seidelman (USA)

14:50: New Observational Techniques and Precise Orbit Determination of Artificial Satellites
B. Schutz (USA)
15:20: Mean Orbital Motion of Geodetic Satellites : Synthesis and Prospects
P. Exertier, G. Metris and F. Barlier (France)
15:50: On the Dynamics of the LAGEOS Spin Vector High-Precision Direct Observations, and Comparisons to Theoretical Modeling
D. Currie, K. Kissell, P. Avizonis, and D. Wellnitz (USA)
16:10: Orbits of Geostationary TV Satellites
A. Drozyner (Poland)
16:30: Poster Session
17:10: Long-Period Dynamics of Earth Orbiting Debris
A. Rossi (Italy)
17:40: Ideal Frame and Multi-revolution Method for Numerical Integration of Debris Orbits
C. Calvo, B. Melendo, and M. Palacios (Spain)
18:00: Geosynchronous Satellite Orbit Determination
S. Rudenko (Ukraine)
18:20: The Preliminary Results of Measuring the Crustal Deformation in Qinghai-Tibet Area Using GPS Technique
W.Y. Zhu, Y.Q. Xiong, Z.Y. Cheng, and H.G. Xu (China)
18:40: End of Session
20:00: Observatory Party

Friday, 5 July

New Observational Techniques, Catalogues, and Astrometry

Chairman: T. Fukushima (Japan)

09:00: Science from Hipparcos
L. Lindegren (Sweden) and C. Turon (France)
09:30: Post-Hipparcos Space Astrometry
F. Mignard and Ch. Martin (France)
10:00: Carlsberg Positions of Planets Compared with DE403
L.V. Morrison and M.E. Buontempo (United Kingdom)
10:20: Astrometric Observations at Bordeaux Observatory
M. Rapaport and B. Viateau (France)
10:40: Poster Session
11:20: The Tycho Catalogue
E. Hoeg (Denmark)
11:50: New Reductions of the Astrographic Catalogue: High-Accuracy, Early-Epoch Positions for Proper Motion Studies
S.E. Urban (USA)
12:10: Are there any Problems in Polar Region? The New Combined Catalogue of Positions and Proper Motions of 4272 Stars North of 80 Degrees Declination
L.G. Taff, V. Tel'nyuk-Adamchuk, and O. Molotaj (Ukraine)
12:30: Solar Semi-Diameter Variation Observed with the Tokyo Photoelectric Meridian Circle from 1985 to 1994
M. Yoshizawa (Japan)
12:50: Lunch

Rotation of Solar System Objects

Chairman: V.A. Brumberg (Russia)

15:00: Nutation of a Rigid Earth Derived from a Tidal Series
T. Hartmann and M. Soffel (Germany)
15:30: New Results of the Post-Newtonian Rotation Problem
S.A. Klioner (Russia)
16:00: Agreements and Disagreements between Theories for a Rigid Earth and Non-Rigid Earth Model
J. Souchay (France)
16:20: The precession and Nutation of the Inelastic Earth
V.A. Churkin (Russia)
16:40: Poster Session
17:20: Rotation of the Rigid Earth
P. Bretagnon (France)
17:40: Numerical Values for Nutation Derived from the Hamiltonian Theory of the Non-rigid Earth
J. Getino and J.M. Ferrandiz (Spain)
18:00: New Approach to the Earth's Rotation Problem Consistent with the General Planetary Theory
V.A. Brumberg and T.V. Ivanova (Russia)
18:20: Evolution of the Rotational Motion of a Planet with a Liquid Core
V.V. Sidorenko (Russia)
18:40: End of Colloquium

Last updated on 1996 June 11