Letters of Intent received in 2018

LoI 2020-2037
Non-GA Symposium: Multi-scale (time and mass) dynamics of space objects

Date: 5 July 2020 to 11 July 2020
Location: Iasi, Romania
Contact: Alessandra Celletti (celletti@mat.uniroma2.it)
Coordinating division: Division A Fundamental Astronomy
Co-Chairs of SOC: Alessandra Celletti (University of Rome Tor Vergata)
Catalin Gales (University Al. I. Cuza Iasi)
Chair of LOC: Razvan Litcanu (University Al. I. Cuza Iasi)



The IAU Symposium will cover the following topics:
• Dynamics modelling of space objects at different time and length scales (multi-scale): dust and ring particles, asteroids and comets, exoplanets, satellites and space debris;
• Theories and tools to analyze the long-term evolution of space objects: perturbation methods, numerical, semi-analytical and analytical techniques, computer-algebraic techniques, special manipulators and computational environments, dynamical systems methods;
• Multi-scale stability analysis of celestial bodies: resonances, mechanisms of production of chaos, equilibrium points, invariant manifolds, local and global analysis;
• Exploration and exploitation of space objects.



The last decades have shown a continuous development in dynamics modelling of celestial bodies at various time scales, from days to periods of time larger than the age of the Solar system, and length scales, from several kilometers to hundreds of astronomical units. The range of phenomena that manifest at all different time and length scales and the wide range of sizes of space objects, from minor bodies in the Solar System to exoplanets, from dust particles to Jupiter-size bodies, has required the development of modelling and analysis tools that can handle these different scales. The understanding of the dynamics of these space objects is a key to the advancement of space science and technology, with considerable benefits to society and economy. The emergence of new open problems in space science, such as the complex dynamical behavior of minor bodies in the Solar system, the increased traffic in Earth orbit, the exploration and exploitation of space objects, has stimulated the birth of new lines of investigation, the development of new scientific methods and techniques as well as the development of technologies with a potential big impact on our everyday life.
This Symposium will cover the recent advances in the multi-scale dynamics of natural and even artificial space objects from various perspectives: modelling, development of new methods and tools to analyze the dynamics, stability analysis, exploration and exploitation of minor bodies. The Symposium will serve a wide international community working in various fields: physics, celestial mechanics, astrodynamics, applied mathematics, dynamical systems, space engineering.

Beside the Co-Chairs of the SOC, the SOC will be composed by:

Cristian Beauge’ (Observatory of Cordoba, Argentina)
Alexandre Correia (University of Aveiro, Portugal)
Christos Efthymiopoulos (Academy of Athens, Greece)
Giovanni Gronchi (University of Pisa, Italy)
Douglas P. Hamilton (University of Maryland, USA)
Daniel Hestroffer (Observatory of Paris, France)
Eiichiro Kokubo (National Astronomical Observatory of Japan, Japan)
Anne Lemaître (University of Namur, Belgium)
Daniel J. Scheeres (University of Colorado, USA)
Bonnie Steves (Glasgow Caledonian University, UK)
Winston Sweatman (Massey University, New Zealand)
Massimiliano Vasile (University of Strathclyde, UK)
Marie Yseboodt (Royal Observatory of Belgium, Belgium)