The COMET-ORB (expert community on space dynamics) is pleased to announce that a seminar on small bodies (structure, physical parameters, ephemerides, and more) will take place on April 11th 2023. This one-day seminar will give the opportunity to many specialists to present their work about the physical aspects of small bodies (comets, asteroids, natural satellites, etc.), and also on some space mission aspects (instruments, orbits, etc…).  The presentations will be related ...

Europe has a long tradition of space exploration. It ranges from the vicinity of the Earth (Smart-1 around the Moon) to the most distant landing ever performed in history (Cassini/Huygens) through the journey to a comet (Rosetta/Philae). European interplanetary missions cover the full range of applications: Sun, planets, satellites, comets, asteroids. The objective of this seminar is to perform a state-of-the-art of on-going and future missions. To fit with a one-day ...

In a perfect world, covariances would not exist. In a slightly less perfect but still wonderful world, they would be tiny ellipses. But in our world, it's pancakes, or bananas. So we have developed new recipes to be able to cook them as well as possible, especially when we add the mystery ingredient: manoeuvres. Do not hesitate to join us for this tasty seminar which will combine theory and practice, ...

On October 15, 2020, COMET-ORB organized a seminar on the latest advances in atmospheric modeling for space mechanics issues. The prediction of the atmosphere behavior is a crucial problem for the calculation of satellite trajectory, so COMET ENV and OPS have joined for this seminar on this topic. Program : Start Timing Title Speaker 09:00 30' Introduction JLV, GG, MR (COMET) 09:30 30' Review of magnetic activity indices Aude CHAMBODUTISGI (EOST, Université de Strasbourg/CNRS) 10:00 30' Which solar inputs for the specification of the upper atmosphere ? Thierry DUDOK ...

Program Start Time End Time Content Speakers 14:00 14:15 Welcome - Seminar Introduction S. Laurens (CNES), S. Locoche (ADS), J. Laurent-Varin (CNES), A. Boutonnet (ESOC) 14:15 14:45 ASTERIA Autonomous Collision Risks Management J. Thomassin (CNES) 14:45 15:15 Reducing Operation Cost with Autonomous Guidance for Electrical Orbit Raising S. Locoche (ADS) 15:15 15:45 Close Satellite Formation Flying For An Interferometry Mission Irene Valenzuela Molina (CNES) 15:45 16:00 Break   16:00 16:30 Trajectory Design using Lyapunov Control Laws and Reinforcement Learning H. Holt (PhD candidate - Surrey Space Centre) 16:30 17:00 The recent evolutions of the CNES navigation library BOLERO N. Delong (CNES) 17:00 17:30 Open discussion ...