Hera International Workshop 2022 Programme
Monday May 30th, 2022
9.00-10.00: Mission and related project overviews
9.00-9.05: Welcome introduction
9.05-9.20: Andy Cheng/Olivier Barnouin: DART mission presentation
9.20-9.35: Alessandro Rossi: LICIACube presentation
9.35-9.45: Ian Carnelli: Hera Spacecraft development status
9.45-10.00: Michael Küppers: Hera Operations and science team
10.00-10.15: Patrick Michel: Hera science and planetary defence scope
10.15-10.30: Coffee break10.30-12.30: Payload
10.30-10.45: Jean-Baptiste Vincent: Hera Asteroid Framing Cameras
10.45-11.00: Julia de Leon: Hera Hyperspectral Imager
11.00-11.15: Paulo Gordo: Hera LIDAR
11.15-11.30: Tatsu Okada: Hera Thermal Infrared Imager
11.30-11.45: Paolo Tortora: Hera Radio Science and ISL
11.45-12.05: Hera Juventas Cubesat
12.05-12.25: Hera Milani Cubesat
Discussion (5 min)12.30-14.00: Lunch at Hôtel Saint-Paul14.00-15.00: Lessons learnt from past missions
14.00-14.30: Seiji Sugita: Lessons learnt from JAXA Hayabusa2 mission
14.30-15.00: Olivier Barnouin: Lessons learnt from NASA OSIRIS-REx mission
15.00-16.00: Ground based observations
15.00-15.15: Petr Pravec: Lightcurves obs. 2003-2021
15.15-15.30: Petr Scheirich: Orbit modelling from mutual events
15.30-15.45: Shantanu Naidu: Dimorphos orbit solution
15.45-16.00: Michael Küppers: Fly-by targets
16:00-16:30 Coffee Break16.30-18.00: Ground based observations
16.30-16.45: Cristina Thomas: Future observations, Summary
16.45-17.00: Damya Souami: Didymos occultations
17.00-17.30: Simon Green + Cyrielle Opitom + Stefano Bagnulo: VLT coordinated obs. Thermal + Ejecta + Polarimetry
17.30-17.45: Simone Ieva: Past and future spectroscopic observation of Didymos
17.45-18.00: Nick Moskovitz: Future light curves observation
19.00: Dining cocktail at Hôtel Saint-Paul
Tuesday May 31st, 2022
9.00-10.20: Impact Modelling and Experiments
9.00-9.10: Kai Wünnemann: Introduction
9.10-09.45: Experiments / Validation / Benchmark
Jens Ormö: Overview of recent laboratory impact experiments
Robert Luther: Benchmarking & Validation of Impact Shock Physics Codes
Discussion (5 min)09.45-10.20: (DART) impact modelling: ejecta and momentum transfer
Kai Wünnemann + Martin Jutzi: Overview of recent DART impact modelling studies
Thomas Davison: iSale 3D development, ejecta from oblique impacts, inverse test
Discussion (5 min)10.20-10.50: Coffee break10.50-11.25: (DART) impact modelling: global effects and late stage evolution
10.50-11.05: Sabina Raducan: SPH simulations of the DART impact on rubble-pile asteroids
11.05-11.20: Martin Jutzi: Late stage crater evolution: hybrid modelling approaches
Discussion (5 min)11.25-12.00: Ejecta evolution
11.25-11.40: Fabio Ferrari: Ejecta formation and evolution after DART impact
11.40-11.55: Andy Cheng: Modelling DART Ejecta Plume Dynamics As Imaged by LICIACube,
Implications for Momentum Transfer
Discussion (5 min)12.00-12.30: Summary and open questions
Previous studies, Ongoing plans, Open questions
12.30-14.00: Lunch at Hôtel Saint-Paul14.00-17.45: Dynamics and Physical properties Modelling
14.00-14.15: Menios Tsiganis + Yun Zhang + Sebastièn Charnoz + Adriano Campo Bagatin: Introduction
14.15-16.30: Didymos system physical evolution before/after DART
14.15-14.30: Adriano Campo Bagatin: Modelling internal structure by irregular, realistic shape components
14.30-14.45: Yun Zhang: Structural properties and dynamical evolution of Didymos-Dimorphos as rubble piles
14.45-15.00: Stefania Soldini: Didymos internal structure
15.00-15.15: Manuel Pérez Molina: Fast Fourier Transform-based gravity field calculation method
15.15-15.30: Laurent Pou: A Finite Element Method for gravity field calculation
15.30-16.00: Coffee break16.00-16.15: Laurent Pou: Comparison of the gravity field calculation methods
Discussion (15 min)16.30-17.45: After DART Didymos system evolution
16.30-16:45: Menios Tsiganis + Yun Zhang + Sébastien Charnoz + Adriano Campo Bagatin: Introduction
16.45-17.00: Masatoshi Hirabayashi: Double Asteroid Redirection Test (DART): Structural and dynamic interactions between asteroidal elements of Binary Asteroid (65803) Didymos
17.00-17.15: Harrison Agrusa: Possible post-impact spin state and potential resurfacing of Dimorphos
17.15-17.30: Ioannis Gkolias: Perturbed Didymos dynamics
Discussion (15 min)Wednesday June 1st, 2022
9.00-12.30: Dynamics and Physical properties Modelling
9.00-9.15: Menios Tsiganis + Yun Zhang + Sébastien Charnoz + Adriano Campo Bagatin: Introduction
9.15-1.30: After DART Didymos system evolution (continued)
9.15-9.30: Po-Yen Liu: Dimorphos resurfacing/shape change far away from the DART impact point
9.30-9.45: Fabio Ferrari: Limiting regions around Didymos for short-term tidally-driven shape change of Dimorphos
Discussion (15 min)10.00-10.30: Coffee break10.30-12.30: Didymos system dust environment and Hera dynamics
10.30-10.45: George Voyatzis: A study of third-body orbits in the dynamical environment of Didymos - Dimorphos
10.45-11.00: Iosto Fodde: Robust stability of a spacecraft orbiting Didymos
Discussion (15 min)11.15-11.30: Alessandro Rossi: Ejecta dynamics following DART impact
11.30-11.45: Stefania Soldini + Fabio Ferrari: Ejecta dynamics following DART impact
11.45-12.00: Nair Trógolo + Adriano Campo Bagatin: Lifted regolith by Didymos fast spin and boulder motion
on fast spinning top-shape NEAs
Discussion (30 min)12.30-14.00: Lunch at Hôtel Saint-Pauland, apart,NEO-MAPP restricted lunch, also at Hôtel Saint-Paul14.00-17.30: Data analysis, Exploitation & Interpretation
14.00-16.00: Properties of the Didymos system
14.00-14.20: Ozgur Karatekin + Ryan Park: Dimorphos orbital state
14.20-14.40: Paolo Tortora + Marco Zannoni: Gravitational acceleration
14.40-15.00: Ernesto Palomba + Ivano Bertini: Satellites / Debris / Dust ejection
15.00-15.20: Masanori Kanamaru + Giacomo Tommei: Non-gravitational acceleration
Discussions (40 min)16.00-16.30: Coffee break16.30-17.30: Global properties, Interior structure
16.30-16.50: Frank Preusker + Olivier Barnouin: Shape / Volume (global, + high-res DART crater)
16.50-17.10: Alain Hérique + Sébastien Le Maistre: Internal structure , Density & Porosity distribution
Discussions (20 min)18.00: A bus will bring participants to the Observatory
Hera approval Celebration and Dining Cocktail at Observatoire de la Côte d’Azur
21.30: A bus will bring participants back to Hôtel Saint-Paul
Thursday, June 2nd, 2022
9.00-12.30: Data analysis, Exploitation & Interpretation
9.00-11.00: Characterisation of the surface properties
9.00-9.20: Jean-Baptiste Vincent + Maurizio Pajola: Geomorphology
9.20-9.40: Naomi Murdoch + Alice Lucchetti: Mechanical properties
9.40-10.00: Tatsuaki Okada: Optical and thermal properties
10.00-10.20: Julia de Leon + Marcel Popescu: Composition and space weathering
Discussions (40 min)11.00-11.30: Coffee break11.30-12.30: Additional HLP and HLP Wrap-up
11.30-11.40: Michael Küppers + Jean-Baptiste Vincent: Maps: common references
11.40-11.50: Stephan Ulamec: Didymos and Dimorphos Nomenclature
11.50-12.05: Gerhard Paar: 3D Data Provenance and GIS for HERA Science Exploitation Support
Discussions (25 min)12.30-14.00: Lunch at Hôtel Saint-Paul 14.00-15.30: Synergy between data analysis preparation and other activities I
Focus on Hera Synergies: Round table discussion (WG chairs and instrument PIs should attend,
everyone else is invited)
15.30-16.00: Coffee break16.00-17.30: Synergy between data analysis preparation and other activities II
Focus on Instrument / High Level Product (HLP) synergies (HLP leads and instrument PIs should attend,
everyone else is invited)
HERA Workshop Wrap up
Poster contributions:
Note: Poster grids will be provided onto which posters of A0 format or smaller can fit.
Alfonso Caldiero: Determining interior structure of a small body like Didymos / Dimorphos (detection of mascons and estimation of their number, size and density) from gravity data
Giacomo Tommei: OD methods for interplanetary missions: the Orbit14 software and its role in the Hera mission
Mélanie Drilleau: Constraining the internal structure of asteroids by seismological measurements
Cecily Sunday: Determining surface material properties using low-Froude collisions
Tomas Kohout: Autonomous on-board image coverage and sharpness detection of ASPECT / Milani images
David Korda: Neural network for determining asteroid composition
Antti Penttilä: Blender modelling and simulated test-bed for Solar System object imaging and camera performance
Nicole Dias: Hera mission LIDAR optomechanical design
END OF THE HERA WORKSHOP
Friday, June 3rd, 2022
Restricted meeting of the Science Operation Working Team (S.O.W.T.)
Hôtel Saint-Paul terrace, East Nice, France
Presentation - Venue - Organisation - Photos