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Tuesday, September 16, 2025
| Time | Event | (+) |
| 13:30 - 14:00 | Welcome coffee | |
| 14:00 - 14:10 | Introduction from Paris Observatory President - F. Casoli | |
| 14:10 - 14:20 | Introduction by LIRA Director - M. Maksimovic | |
| 14:20 - 14:30 | Welcome, purpose of the meeting and logistics - A. Coustenis | |
| 14:30 - 15:15 | Session : Huygens and Cassini celebration and historical aspects - A.Coustenis | (+) |
| 14:30 - 15:15 | › Historical aspects of the Cassini-Huygens Mission - Darrell Trobell, Johns Hopkins University [Baltimore] - Wing Ip, X - Linda Spilker, Jet Propulsion Laboratory | |
| 15:15 - 16:30 | Session : Huygens and Cassini celebration and historical aspects - Part I - Chairs : A. Coustenis and M. Fulchignoni | (+) |
| 15:15 - 16:00 | › Huygens History - Marcello Fulchignoni, Laboratoire d'Instrumentation et de Recherche en Astrophysique - Jean-Pierre Lebreton, Université d'Orléans - François Raulin, Université de Créteil - Marcello Coradini, Space Systems Solutions LtD | |
| 16:00 - 16:30 | › Huygens Probe construction : design and development choices and their impact to the mission - Patrice Couzin, Thales Alenia Space | |
| 16:30 - 16:50 | Coffee break | |
| 16:50 - 18:05 | Session : Huygens and Cassini celebration and historical aspects - Part II - Chairs : 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 | |
| 17:40 - 18:05 | › Italian Partnership in a Unique Mission: Cassini-Huygens - Enrico Flamini, IRSPS | |
| 18:05 - 19:05 | Session: Science results from Cassini-Huygens - Chairs: A. Coustenis and M. Fulchignoni | (+) |
| 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 | |
| 18:25 - 18:45 | › Recent progress in the construction of accurate molecular line lists - Michael Rey, GSMA Reims (remote presentation) | |
| 18:45 - 19:05 | › Titan Tholins – How laboratory experiements supported the Cassini-Huygens Mission - Thomas Gautier, Laboratoire Atmosphères, Milieux, Observations Spatiales, Laboratoire d'Instrumentation et de Recherche en Astrophysique | |
| 19:15 - 20:30 | Drinks reception |
Wednesday, September 17, 2025
| Time | Event | (+) |
| 09:00 - 09:30 | welcome coffee | |
| 09:30 - 09:40 | Introduction and Logistics - A.Coustenis | |
| 09:40 - 10:50 | Session: Scientific results of Huygens - Part I - Chairs : J. Zarnecki and T. Gautier | (+) |
| 09:40 - 10:10 | › Titan Science: From Voyager 1 to the discoveries of Cassini-Huygens - Jonathan Lunine, California Institute of Technology | |
| 10:10 - 10:30 | › The Descent Imager/Spectral Radiometer on Huygens: 20 years after descent, 35 years after design - Erich Karkoschka, Lunar and Planetary Lab, University of Arizona | |
| 10:30 - 10:50 | › The Cassini Huygens gas chromatograph mass spectrometer and aerosol collector pyrolyzer investigations - Paul Mahaffy, NASA Goddard Space Flight Center | |
| 10:50 - 11:10 | Coffee break | |
| 11:10 - 12:30 | Session: Scientific results of Huygens - Part II - Chairs: J. Zarnecki and T. Gautier | (+) |
| 11:10 - 11:30 | › 2005 Huygens HASI at Titan: lessons learned and future perspectives - Francesca Ferri, Università degli Studi di Padova - CISAS | |
| 11:30 - 11:50 | › The Huygens Doppler Wind Experiment: Twenty Years Ago - Michael Bird, Universität Bonn = University of Bonn | |
| 11:50 - 12:10 | › The Huygens Surface Science Package - John Zarnecki, The Open University [Milton Keynes] | |
| 12:10 - 12:30 | › Titan thermal structure and the history in the presentation of Huygens' descent - Roger Yelle, univ.arizona | |
| 12:30 - 14:00 | Lunch | |
| 14:00 - 16:10 | Session: Scientific Results of Cassini - Part I- Chairs : P. Lavvas and J. Lunine | (+) |
| 14:00 - 14:20 | › Titan methane - Hunter Waite, University of Alabama | |
| 14:20 - 14:40 | › Scientific Achievements from the Cassini Titan Radar Mapper - Rosaly Lopes, Jet Propulsion Laboratory, California Institute of Technology | |
| 14:40 - 15:00 | › Cassini Ultraviolet Imaging Spectroscopy of the Saturn System - Larry Esposito, LASP, University of Colorado, Boulder | |
| 15:00 - 15:20 | › Science Results from the Cassini Imaging Science Subsystem - Robert West, Jet Propulsion Laboratory | |
| 15:20 - 15:40 | › The Saturn System Viewed through the Infrared Eyes of Cassini CIRS - F Michael Flasar, University of Maryland at College Park, MD, United States (f.m.flasar@nasa.gov) | |
| 15:40 - 15:50 | › Cassini Radio Occultations - F Michael Flasar, University of Maryland at College Park, MD, United States (f.m.flasar@nasa.gov) | |
| 15:50 - 16:10 | › The VIMS contribution to the mapping of Titan's surface - Christophe Sotin, Nantes Université | |
| 16:10 - 16:25 | Coffee break | |
| 16:25 - 18:25 | Session: Scientific Results of Cassini - Part II - Chairs: P. Lavvas and J. Lunine | (+) |
| 16:25 - 16:45 | › Titan's gravity field and interior structure after Cassini - Daniele Durante, Dipartimento di Ingegneria Meccanica e Aerospaziale [Roma La Sapienza] | |
| 16:45 - 17:05 | › The CAPS instrument - scientific accomplishments and reminiscences - Andrew Coates, Mullard Space Science Laboratory, Centre for Planetary Science | |
| 17:05 - 17:25 | › Cassini-RPWS adventures in Saturn orbit - Philippe Zarka, LIRA | |
| 17:25 - 17:45 | › The Cassini Magnetometer - Michele Dougherty, Imperial College of Science, Technology and Medicine | |
| 17:45 - 18:05 | › Some science results from Cassini/MIMI (Magnetospheric IMaging Investigation)* by S. M. Krimigis1, 2 and D. G. Mitchell1 - Stamatios Krimigis, Johns Hopkins University Applied Physics Laboratory [Laurel, MD], Center for Space Research and Technology, Academy of Athens | |
| 18:05 - 18:25 | › RPWS/Langmuir Probe discovery highlights - Jan-Erik Wahlund, IRFU | |
| 18:30 - 21:00 | Cocktail Dinner |
Thursday, September 18, 2025
| Time | Event | (+) |
| 09:00 - 09:30 | welcome coffee | |
| 09:30 - 09:35 | Introduction and Logistics - A.Coustenis | |
| 09:35 - 10:55 | Titan science results from the ground and space - Chairs : Z. Turtle and O. Witasse | (+) |
| 09:35 - 09:55 | › Seeing through the haze: the Cassini/Huygens challenge of mapping Titan's surface - Benoit Seignovert, Observatoire des sciences de l'univers Nantes Atlantique | |
| 09:55 - 10:15 | › Continuing Cassini's legacy for detailed atmospheric science on Titan using ALMA - Martin Cordiner, NASA Goddard Space Flight Center | |
| 10:15 - 10:35 | › Observations of Titan after Cassini-Huygens with Ground and Space Observatories - Conor Nixon, NASA Goddard Space Flight Center | |
| 10:35 - 10:55 | › Titan's deep ocean evolution and evidences (or not) for its presence - Gabriel TOBIE, Laboratoire de Planétologie et Géosciences, UMR-CNRS 6112 | |
| 10:55 - 11:10 | Coffee break | |
| 11:10 - 13:15 | Session: Future exploration of Titan and other icy moons - Chairs: E. Turtle and O. Witasse | (+) |
| 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] | |
| 11:30 - 12:00 | › Dragonfly: In Situ Exploration of Titan's Prebiotic Chemistry, Habitability, Meteorology, Geology, and Geophysical Characteristics - Elizabeth Turtle, Johns Hopkins Applied Physics Laboratory - Ralph Lorenz, Johns Hopkins Applied Physics Laboratory | |
| 12:00 - 12:20 | › The ESA Science Program - Carole Mundell, Agence Spatiale Européenne = European Space Agency | |
| 12:20 - 12:40 | › The Mission to Enceladus – The ESA L4 mission - Joern Helbert, ESA - ESTEC (Netherlands, remotely) | |
| 12:40 - 13:00 | › Elements of the future space program of ESA and NASA - Athena Coustenis, Laboratoire d'instrumentation et recherche en astrophysique (LIRA) | |
| 13:00 - 13:15 | Discussion Q/A | |
| 13:15 - 14:30 | Lunch (catering in situ) |
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