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Program

Tuesday, September 16, 2025

Time Event
14:00 - 14:10 Introduction from Paris Observatory President (salle Cassini) - F. Casoli  
14:10 - 14:20 Introduction by LIRA Director (salle Cassini) - M. Maksimovic  
14:20 - 14:30 Welcome and logistics (salle Cassini) - A. Coustenis  
14:30 - 19:05 Huygens and Cassini celebration and historical aspects (salle Cassini) - A. Coustenis and M. Fulchignoni  
16:50 - 17:15 › Huygens 20-year anniversary: ESA's point of view - Olivier Witasse, ESA - ESTEC (Netherlands) - Jean-Pierre Lebreton, Université d'Orléans - Claudio Sollazzo, European Space Operations Center - Thierry Blancquaert, ESA - ESTEC (Netherlands) - Miguel Perez-Ayucar, European Space Astronomy Centre - Andrew Ball, ESA - ESTEC (Netherlands) - Louis Walpot, ESA - ESTEC (Netherlands)  
17:15 - 17:40 › France involvement on Huygens project - Francis Rocard, Centre national d'études spatiales  
18:05 - 18:25 › Recent insights into Titan's climate system from general circulation modeling - Juan Lora, Department of Earth and Planetary Sciences, Yale University  
16:30 - 16:50 Coffee break (salle Cassini)  
19:15 - 20:30 Drinks reception (salle Cassini)  

Wednesday, September 17, 2025

Time Event
09:30 - 09:40 Introduction and Logistics (salle Cassini) - A.Coustenis  
09:40 - 12:30 Scientific results of Huygens (salle Cassini) - J-P. Lebreton and J. Zarnecki  
09:40 - 10:10 › Titan Science: From Voyager 1 to the discoveries of Cassini-Huygens - Jonathan Lunine, California Institute of Technology  
12:30 - 11:50 › The Huygens Doppler Wind Experiment: Twenty Years Ago - Michael Bird, Universität Bonn = University of Bonn  
10:50 - 11:10 Coffee break (salle Cassini)  
12:30 - 14:00 Lunch  
14:00 - 18:00 Scientific Results of Cassini (salle Cassini) - P. Lavvas and J. Lunine  
14:20 - 14:40 › Scientific Achievements from the Cassini Titan Radar Mapper - Rosaly Lopes, Jet Propulsion Laboratory, California Institute of Technology  
16:35 - 16:55 › The CAPS instrument - scientific accomplishments and reminiscences - Andrew Coates, Mullard Space Science Laboratory, Centre for Planetary Science  
17:10 - 17:30 › Cassini-RPWS adventures in Saturn orbit - Philippe Zarka, LIRA  
15:00 - 15:20 Coffee break (salle Cassini)  
16:55 - 17:10 Coffee break (salle Cassini)  
19:00 - 20:30 Cocktail Dinner (salle Cassini)  

Thursday, September 18, 2025

Time Event
09:30 - 09:35 Introduction and Logistics (salle Cassini) - A.Coustenis  
09:35 - 13:15 Future exploration of Titan and other icy moons (salle Cassini) - Z. Turtle and O. Witasse  
10:15 - 10:35 › Observations of Titan after Cassini-Huygens with Ground and Space Observatories - Conor Nixon, NASA Goddard Space Flight Center  
11:10 - 11:30 › The ESA JUICE and NASA Europa Clipper missions - Olivier Witasse, ESA - ESTEC (Netherlands) - Robert Pappalardo, Jet Propulsion Laboratory - Emma Bunce, School of Physics and Astronomy [Leicester] - Louise Prockter, Johns Hopkins University Applied Physics Laboratory [Laurel, MD] - Mathieu Choukroun, Jet Propulsion Laboratory - Claire Vallat, European Space Astronomy Centre - Haje Korth, Johns Hopkins University Applied Physics Laboratory [Laurel, MD] - Bonnie Burrati, Jet Propulsion Laboratory - Leigh Fletcher, School of Physics and Astronomy [Leicester]  
12:00 - 12:20 › Voyage 2050 and Planetary Science and Astrobiology Decadal Survey 2023-2032 - Athena Coustenis, Laboratoire d'instrumentation et recherche en astrophysique (LIRA)  
12:40 - 13:00 › The Mission to Enceladus – The ESA L4 mission - Joern Helbert, ESA - ESTEC (Netherlands)  
10:55 - 11:10 Coffee break (salle Cassini)  
13:15 - 14:30 Lunch (catering) (salle Cassini)  
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