Hayabusa 2025

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PROGRAM

DAY 1Nov. 11, JST (UTC + 09:00)

Registration
Session S12 (Chair: T. Okada)

11:00-11:10 S11-01 T. Okada Opening
11:10-11:30 S12-01 T. Yada
T. Usui
Ongoing asteroidal samples curation and curation plans for samples returned by future missions in JAXA Extraterrestrial Sample Curation Center
11:30-11:45 S12-02 R. Tahara Preparation for Bennu curation and ongoing Bennu sample description efforts at the ESCuC, JAXA
11:45-12:00 S12-03 S. Garland The Sample Analysis Laboratory (SAL) at the German Aerospace  Center (DLR) Berlin – a new laboratory for extraterrestrial material analysis and curation
12:00-12:15 S12-04 Y. Enokido Influence of Fine Particles in the Hayabusa2 Clean Chamber on the Chemical Composition of Class 2 Ryugu Aggregates

Lunch
Poster (Core Time 1)
Session S13 (Chair: Y. Enokido)

14:30-14:45 S13-01 R. Kanemaru SEM observation of potential contaminant particles for Ryugu samples
14:45-15:00 S13-02 Y. Matsumoto Ethanol in Ryugu samples transported using the Facility to Facility Transfer Container (FFTC)
15:00-15:15 S13-03 J. Black
B. Mahan
Optimizing micro‐CT to maximize benefit from destructive analyses of extra‐terrestrial materials
15:15-15:30 S13-04 Y. Huang
[online]
Analyses of Hypervolatiles in Bennu, Ryugu and various carbonaceous chondrites: Method Developments and Preliminary Data Interpretation
15:30-15:45 S13-05 F. Jourdan Asteroid (101955) Bennu Birth and Rebirth: Collisional Events Tied to the New Polana Family

Coffee break
Session S14 (Chair: R. Kanemaru)

16:15-16:30 S14-01 W. Fujiya
[Online]
Formation and evolution of the Ryugu parent asteroid inferred from thermal models based on the geochemical data of Ryugu samples
16:30-16:45 S14-02 B. Fegley Condensates from Electron Capture Supernovae (ECSN)
16:45-17:00 S14-03 F. Dumas Use of PCA and machine learning to classify ungrouped iron meteorites and predict affinity to CC or NC reservoirs
17:00-17:15 S14-04 L. Pinault
[online]
New Advances in Machine Learning Data Analyses for Asteroid and Micrometeorite Samples: Correlations Identified in Features of Asteroid Ryugu and Unmelted Micrometeorites
17:15-17:30 S14-05 M. Genge
[Online]
The Behaviour of CO2 Ice in Ryugu

DAY 2Nov. 12, JST (UTC + 09:00)

Registration
Session S21 (Chair: T. Yada)

9:30-9:45 S21-01 E. Blumenfeld
[Online]
Recent Improvements in AIVA’s High-Resolution Systematic Photographic Documentation Process for Hayabusa 2 and OSIRIS-REx Samples in the 0.1mm to 15mm Size Range
9:45-10:00 S21-02 S. Araokar
[Online]
Sulfur Oxidation States in Ryugu Particle A0093
10:00-10:15 S21-03 C. Morisset
P. Hill
Preliminary Lessons Learned from the Canadian Curation Facility Construction for Bennu Sample
10:15-10:30 S21-04 P. Hill Refining the Canadian Space Agency’s cleaning procedures for the curation of the Bennu sample
10:30-10:45 S21-05 F. Dirri Innovative and customized Sample Container to transport, analyse and storage small extra-terrestrial samples between laboratory facilities: the ISAC project

Coffee break
Session S22 (Chair: S. Tachibana)

11:15-11:30 S22-01 R. Sakurai Classification of Bennu Particles Based on Three-Dimensional Shapes
11:30-11:45 S22-02 F. Langenhorst Accessory Cr,Ti-rich phases in Ryugu particles and the CI chondrites Ivuna, Alais, and Tonk
11:45-12:00 S22-03 L. B. Seifert Coordinated Analyses of a Graphite Spherule from Asteroid Ryugu
12:00-12:15 S22-04 C. Hamann Production of hydrous, carbonaceous chondrite-like cosmic dust by impacts of micrometeoroids into C-type asteroid regolith
12:15-12:30 S22-05 K. Watanabe Cooling Rates of Chondrules Constrained by Porphyritic Textures Reproduced by High-temperature Levitation Experiments

Lunch
Lab Tour
Session S23 (Chair: E. Palomba)

14:30-14:45 S23-01 Y. Enokido The Mineralogical and Petrological Features of the Chlorite-rich Fragment in C0076-01 Ryugu Sample
14:45-15:00 S23-02 C. Pilorget Mineralogical composition of pristine Bennu samples and comparison with Ryugu samples with the NIR hyperspectral microscope MicrOmega at the ISAS/JAXA Extraterrestrial Sample Curation Center
15:00-15:15 S23-03 L. Nardelli Phyllosilicates heterogeneity in Bennu samples revealed by combined NIR and MIR measurements at the ISAS/JAXA Extraterrestrial Sample Curation Center
15:15-15:30 S23-04 R. Y. Sheppard
[Online]
A comparison of spectral features of hydrated phosphorous-rich material within Bennu and Ryugu, with implications for evolutionary history
15:30-15:45 S23-05 K. Hatakeda Variation of Bennu individual samples in NIR-MIR spectroscopy with μ-FTIR in JAXA curation

Coffee break
Session S24 (Chair: M. Abe)

16:15-16:30 S24-01 A. Wargnier Photometric properties of craters and boulders on Ryugu from Hayabusa2/NIRS3 observations
16:30-16:45 S24-02 M. Angrisani
[Online]
Spectroscopic Evidence of Space Weathering and Regolith Dynamics in two Ryugu Particles
16:45-17:00 S24-03 E. Palomba Surface and Subsurface Weathering Variations on Ryugu: Results from two Hayabusa2 Particles
17:00-17:15 S24-04 E. Tatsumi E-type asteroid 1998 KY26 and its possible relation to Nysa
17:15-17:30 S24-05 F. T. Ruano
[Online]
Near-UV reflectance of primitive asteroids observed by Gaia

DAY 3Nov. 13, JST (UTC + 09:00)

Registration
Session S31 (Chair: H. Sugahara)

9:30-9:45 S31-01 J. McGeoch
[Online]
The space polymer Hemoglycin
9:45-10:00 S31-02 T. Huang Preservation of organic matter within primary fluid inclusions in late Middle Pleistocene halite from the Mars-analog Qaidam Basin
10:00-10:15 S31-03 Y. Takano Soluble organic molecules and primordial aqueous alterations of the two carbonaceous asteroids Bennu and Ryugu
10:15-10:30 S31-04 A. Mojarro Analysis of Asteroid Ryugu by Wet Chemistry and Pyrolysis-Gas Chromatography-Mass Spectrometry
10:30-10:45 S31-05 H. Naraoka
[Invited]
Soluble phosphates in the Bennu samples

Coffee break
Session S32 (Chair: R. Sakurai)

11:15-11:30 S32-01 K. Nishiizumi Exposure Histories of CI Chondrites
11:30-11:45 S32-02 K. Nagao Noble Gas Study on Orgueil and Revelstoke CI1 Chondrites: Comparison with Noble Gas Composition of Ryugu Samples Collected by the Hayabusa2 Spacecraft
11:45-12:00 S32-03 K. Hashizume Nitrogen isotope variations among Ryugu and Bennu bulk samples caused by hydrothermal alterations
12:00-12:15 S32-04 F. Vayrac Noble gases in Ryugu samples and comparison with the new CI chondrite Oued Chebeika 002

Lunch
Poster (Core Time 2)
Session S33 (Chair: S. Wada)

14:30-14:45 S33-01 T. Blattmann Radiocarbon (14C) astrochemistry of asteroid Ryugu
14:45-15:00 S33-02 M. Hashiguchi TOF-SIMS analysis of macromolecular organic matter in Bennu samples
15:00-15:15 S33-03 R. Maeda Trace element distribution in secondary minerals of a Ryugu particle revealed using LA-ICP-TOF-MS: an advanced screening tool for extraterrestrial materials
15:15-15:30 S33-04 N. Kita High precision oxygen 3-isotope analyses of Ryugu dolomite
15:30-15:45 S33-05 N. Kawasaki
[Invited]
Oxygen and Al-Mg isotope signatures of refractory inclusions in Ryugu and Bennu

Coffee break
Session S34 (Chair: T. Okada)

16:15-16:30 S34-01 W. Fujiya
[Invited]
Curation and initial analysis of Phobos material returned by the MMX mission
16:30-16:45 S34-02 Y. Shimaki
[Invited]
The Next Generation small-body Sample Return mission: progress in the comet sample return concept study
16:45-17:00 S34-03 A. Hagermann Regolith characterization using penetrometers: Earth and asteroids compared
17:00-17:15 S34-04 G. Avice Science-driven design and constraints of VATMOS-SR: A Fast Mission to Return Samples from Venus Atmosphere
17:15-17:30 S34-05 J. T. Grundmann
[Online]
New Concepts for Fast-Return Sampling and Characterization Missions to Small Solar System Bodies and Moons

Group Photo
Symposium Banquet (At Rembrandt Hotel Tokyo-Machida)

DAY 4Nov. 14, JST (UTC + 09:00)

Registration
Session S41 (Chair: T. Ishizaki)

9:30-9:45 S41-01 R. Ballouz
[Online]
The recent geologic history of Bennu revealed by impact craters on boulders and samples
9:45-10:00 S41-02 K. Jardine
[Invited, online]
Small-Scale Mechanics: Cohesion of Bennu Particles
10:00-10:15 S41-03 J. Molaro
[Invited, online]
The role of mineralogy on fatigue-crack formation in Bennu’s returned samples
10:15-10:30 S41-04 M. Sato
[Invited]
Magnetic Analysis of Extraterrestrial Samples: The Importance of Low-Temperature Measurements
10:30-10:45 S41-05 E. Dobrica
[Online]
Shock metamorphism in Itokawa: Comparative analysis with megaregolith meteorites

Coffee break
Session S42 (Chair: R. Fukai)

11:15-11:30 S42-01 V. Debaille Moderately volatile isotopes in CB and CH chondrites
11:30-11:45 S42-02 H. Yabuta Comparison Study of Macromolecular Organic Matter between Asteroids Bennu and Ryugu
11:45-12:00 S42-03 S. Alpert
[online]
C and Fe XANES Observations of Ryugu Return Samples
canceled
12:00-12:15 S42-04 T. Takase Chemical Characteristics of Amorphous Na–Mg Phosphate Phases in Samples from Asteroids Bennu and Ryugu
12:15-12:30 S42-05 T. Matsumoto
[Invited]
Sodium salts in Ryugu samples: remnants of late-stage brine in a primitive asteroid

Lunch
Lab Tour
Session S43 (Chair: T. Usui)

14:30-14:45 S43-01 B. Mahan Democratizing the Future of Space Science: Introducing the University of Melbourne, University of Tokyo and JAXA [UoM-UTokyo-JAXA] Partnership and Collaborative PhD Program
14:45-15:00 S43-02 G. Iles LithoSpace: A Dynamic FAIR Data Platform for Extraterrestrial Sample Return Missions
15:00-15:15 S43-03 T. Yokoyama
[Invited]
Ryugu Reference Project: Report from the Measurement Definition Team
15:15-15:30 S43-05 K. Lodders Towards Improved Solar System Abundances

Discussion and Wrapup (Chair: T. Okada)

15:30-15:45 S44-01 T. Usui
Y. Enokido
Discussion for the Future Curation Activity
15:45-16:00 S44-02 T. Usui Wrapup

POSTER

Poster Core Time 1

P-01 T. Ishizaki Astromaterial Physical Properties Measurement Consortium for Future Sample Return Missions
P-03 L. K. Ruggiu Linking cosmic spherules to samples returned from the Itokawa, Ryugu, and Bennu asteroids: constraints from major‐element chemistry and triple oxygen isotopes
P-05 A. Takemoto Speciation of transition metal elements (Mn2+, Ni2+, Cu2+, and Zn2+) in C‐type asteroid Ryugu related to their aqueous concentrations and the effect on the evolution of organic matters
P-07 T. Okada Thermal Infrared Imaging of Small Bodies in Hera and RAMSES Missions
P-09 M. Ichikawa GIS Data Products and Plugins Advancing Hayabusa2 Science
P-11 S. A. Shahid New Methods for Sample Analysis and Observations: Advancing Methodology and Analytical Techniques for Extra terrestrial Materials
P-13 G. Klementiev Cable‐Actuated Binding Lasso End‐Effector (Cable) – A novel method of geological sample manipulation
P-15 T. Ojima JAXA’s Announcement of Opportunity for Ryugu and Bennu Samples: Framework and Recent Activities

Poster Core Time 2

P-02 S. Kawasaki Preparation for the cold curation of returned samples from the Artemis mission and future sample return mission
P-04 T. Ohno Redox environment estimation of Ryugu’s parent body by analyzing valence of multiple redox‐sensitive elements
P-06 R. Fukai Sample powdering method of the extraterrestrial materials to achieve sample homogeneity with a low contamination risk
P-08 K. Honda Accessing and Retrieving The Hayabusa2 Data with JAXA Asteroid Data Explorer 2 (JADE2)
P-10 R. Kanemaru Detection and Correction of artifacts in µ‐FTIR Analysis: Implications for the Initial Characterization of Bennu Samples
P-12 D. Vosper The Development of Mineralogically Representative Phobos Regolith Simulants in Support of MMX
P-14 M. Nishimura Development of a Micromanipulation System for Extracting Bennu Particles from the OSIRIS‐REx Contact Pad at ESCuC, JAXA
P-16 A. Nakano Environmental monitoring of inorganic elements with ICP‐MS for contamination control at the Extraterrestrial Sample Curation Center of JAXA

INSTRUCTION

On-Site Presenters

  • Use your PC at the podium to share after the previous Q&A.
  • Use the room microphone, not your PC’s.
  • If using the public PC, upload your file 30+ minutes in advance (upload link to be announced).

Online Presenters

  • Join Zoom 30 minutes early.
  • Share your screen after the previous Q&A.
  • Unmute your mic before presenting.
  • If needed, upload a video or slides in advance (at least 30 minutes before).

Participants

  • Keep your mic muted.
  • To ask a question:
    • On-site: Raise your hand; staff will bring a mic.
    • Online: Use “Raise Hand.”
  • Any information presented or discussed during the symposium must not be shared or disclosed elsewhere without the presenter’s permission.