4th March (Monday)
Opening Remarks
9:30-9:40

Yasuhito Sekine

Opening remarks

Formation of aquaplanets
9:40-10:10

Water on Venus, Earth, Mars, and asteroids predicted

Shigeru Ida

by pebble accretion model
10:10-10:40

The cool and distant formation of Mars

Ramon Brasser(break)
10:55-11:25

Formation of the Galilean satellites: Slow-pebble-

Yuhito Shibaike

accretion scenario
11:25-11:55

On the origin of ring-satellite systems around giant

Ryuki Hyodo

planets
Lunch & posters
11:55-13:30
Surface and aqueous environments of aquaplanets
13:30-14:00

Martian Waters During the First Billion Years: Clues

Bethany L. Ehlmannfrom Salts
14:00-14:30

A study on Martian water environment based on the μ- Hiroki Suga
XRF-XAFS analysis for the secondary minerals formed
in a nakhlite meteorite (Y 000593)(break)14:45-15:15

Search for evidences of the extraterrestrial water in

Motoo Ito

direct samples from the S-type asteroid “Ryugu”.
15:15-15:45

Iron-bearing smectites as potential redox indicators for Jeffrey G. Catalano
early Mars(break)16:00-16:30

Surface structure of clay minerals and its affinity for

Hiroshi Sakuma

water
16:30-17:00

Dynamic climate and redox interactions on early Mars
inferred from water chemistry at Gale

Short talks for posters
17:15-17:45
Banquet and posters
18:30-20:30

Keisuke Fukushi

5th March (Tuesday)
Interiors of aquaplanets
9:30-10:00

The differentiation and evolution of terrestrial planets

Vinciane Debailleusing short-lived isotope systems
10:00-10:30

A new apparatus for high-pressure deformation

Shintaro Azuma

experiments and deformation microstructures of lower
mantle materials(break)
10:45-11:05

Geochemically heterogeneous Martian mantle inferred Ryota Moriwaki
from Pb isotope systematics of depleted shergottites

11:05-11:35

Thermal evolution of ocean worlds

Shunichi Kamata

Lunch & posters
11:35-13:30
Atmospheres and climates of aquaplanets
13:30-14:00

Hydrogen loss from aquaplanets and icy moons:

Robin Wordsworth

Implications for habitability and biosignatures
14:00-14:30

Retaining a habitable atmosphere: Lessons from Mars David Brain(break)

14:45-15:15

Escape and evolution of the Martian atosphere :Naoki Terada

Influence of water and carbon escapes
15:15-15:35

Atmospheric Chemistry Simulations for TGO-NOMAD

Lori Nearywith the GEM-Mars GCM
15:35-15:55

Water environment on the present and past Mars:

Takeshi Kuroda

GCM simulations(break)
16:10-16:30

Atmospheric Dynamics on Eccentric-Tilted Exoplanets Kazumasa Ohno
and Implications for Thermal Light Curves
Ramses Ramirez

16:30-17:00

A more dynamic habitable zone

17:00-17:30

The co-evolution of Earth's atmosphere and biosphere Kazumi Ozaki6th March (Wednesday)
Biospheres and chemospheres of aquaplanets
9:00-9:30

9:30-10:00

Water-rock reactions on extraterrestrial bodies
Gamma-ray induced amino acid syntheses in theMikhail Zolotov

Yoko Kebukawa

Solar System aqueous environments(break)10:15-10:35
10:35-10:55

Interactions between organic matter and minerals
in meteorites’ parent bodies

Mineral surfaces and their catalytic effects on

Naoki Hirakawa
Walaa Elmasryamino acid formation during hydrothermal
alteration in environments simulating meteorite
10:55-11:25

parent asteroids
Hypervelocity impact experiments to simulate

Manabu Nishizawa

chondrite fragmentation in the ocean andimplication for the fate of meteoritic organics(break)11:40-12:10
12:10-12:40

Geoelectrochemistry: The drive to life on Earth-type Norio Kitadaiplanets

Biogeochemical sulfur isotope fractionation through Shawn McGlynn
time: the role of APS reductase

Closing Remarks
12:40-12:50

Closing remarks

Tomohiro UsuiPosters
Behaviour of Tellurium against the Fe-Mn oxides in theYusuke Fukami

ocean
Effects of a binary companion star on habitability of S-type Ayaka Okuya
tidal-locked planets
An experimental study of chondrite-water interaction

Sakiko Kikuchi

under anoxic condition: Implication for the early stages ofaqueous alteration in parent bodies
Electrical energy generation at hydrothermal environments Hiroyuki Kashima
in the Solar System; fuel cells potentially power a life

Warming on Early Mars with hydrogen peroxideYuichi Ito

Development for a radiative transfer model applicable toYoshiyuki Takahashi

early Mars atmosphere
Effects of Impact-induced Atmospheric Erosion andHaruka Sakuraba

Element Partitioning on Earth’s volatile composition
Solubility of monohydrocalcite under low temperature and Takuma Kitajima
low partial pressure of CO2
Swelling behavior of Mg saturated smectite

Koki Morida

The molecular structure and distribution of organic matter Kento Kiryu
depending on the lithology in the Tagish Lake meteorite

Effect of planetesimal collisions for internal of asteroids

Shigeru Wakita

Can icy pebble accretion form habitable planets?

Hiroyuki Kurokawa

Isotopic fractionation of methane in ice crust of icy

Kushi Kudo

satellite and icy planet: Planning of hydrate formation
experiment at ice crust environment
Spectral and mineralogical characteristics of naturally-

Moe Matsuoka

heated hydrous chondrites
Subsurface reflectors and its assigned visible exposures in Rina Noguchi
Coprates Chasma, Mars
High-resolved thermographic observation of craters andNaoya Sakatani

boulders on Ryugu
Global thermal inertia and surface roughness of asteroid
Ryugu by TIR on Hayabusa2

Influence of water and clay minerals on slope angles inYuri Shimaki
Yuhki Matsuoka

Coprates Chasma, Mars
Sulfate reduction under hydrothermal conditions inShuya Tan

Europa’s ocean
Dark streak features in Mongolia: Implications forformation mechanisms of Recurring Slope Lineae on Mars

Maya Nakamura