Asteroid regolith strength: Role of grain size and surface properties

Fine-regolith production on asteroids controlled by rock porosity

(2021) S. Cambioni et al.   NATURE

Very weak carbonaceous asteroid simulants I: Mechanical properties and response to hypervelocity impacts

(2020) Chrysa Avdellidou et al.   ICARUS

An artificial impact on the asteroid (162173) Ryugu formed a crater in the gravity-dominated regime

(2020) M. Arakawa et al.   SCIENCE

Bennu’s near-Earth lifetime of 1.75 million years inferred from craters on its boulders

(2020) R.-L. Ballouz et al.   NATURE

Hayabusa2 arrives at the carbonaceous asteroid 162173 Ryugu—A spinning top–shaped rubble pile

(2019) S. Watanabe et al.   SCIENCE

The geomorphology, color, and thermal properties of Ryugu: Implications for parent-body processes

(2019) S. Sugita et al.   SCIENCE

Craters, boulders and regolith of (101955) Bennu indicative of an old and dynamic surface

(2019) K. J. Walsh et al.   Nature Geoscience

The unexpected surface of asteroid (101955) Bennu

(2019) D. S. Lauretta et al.   NATURE

Properties of rubble-pile asteroid (101955) Bennu from OSIRIS-REx imaging and thermal analysis

(2019) D. N. DellaGiustina et al.   Nature Astronomy

Low thermal conductivity boulder with high porosity identified on C-type asteroid (162173) Ryugu

(2019) M. Grott et al.   Nature Astronomy

Images from the surface of asteroid Ryugu show rocks similar to carbonaceous chondrite meteorites

(2019) R. Jaumann et al.   SCIENCE

Rubble Pile Asteroids

(2018) Kevin J. Walsh   Annual Review of Astronomy and Astrophysics

Effect of Particle Size and Cohesion on Powder Yielding and Flow

(2018) Hao Shi et al.   KONA Powder and Particle Journal

Rotational evolution of self-gravitating aggregates with cores of variable strength

(2018) Paul Sánchez et al.   PLANETARY AND SPACE SCIENCE

The physical properties of meteorites

(2018) D. Ostrowski et al.   PLANETARY AND SPACE SCIENCE

Regolith behavior under asteroid-level gravity conditions: low-velocity impact experiments

(2018) Julie Brisset et al.   Progress in Earth and Planetary Science

Measuring the fidelity of asteroid regolith and cobble simulants

(2018) Philip T. Metzger et al.   ICARUS

Disruption patterns of rotating self-gravitating aggregates: A survey on angle of friction and tensile strength

(2016) Paul Sánchez et al.   ICARUS

Angle of repose and stress distribution of sandpiles formed with ellipsoidal particles

(2014) Z. Y. Zhou et al.   GRANULAR MATTER

The strength of regolith and rubble pile asteroids

(2014) P. Sánchez et al.   METEORITICS & PLANETARY SCIENCE

Cohesive forces prevent the rotational breakup of rubble-pile asteroid (29075) 1950 DA

(2014) Ben Rozitis et al.   NATURE

Physical and mechanical properties of the lunar soil (a review)

(2014) E. N. Slyuta   SOLAR SYSTEM RESEARCH

DEM simulation of rotation-induced reshaping and disruption of rubble-pile asteroids

(2012) Diego Paul Sánchez et al.   ICARUS

Spin-up of rubble-pile asteroids: Disruption, satellite formation, and equilibrium shapes

(2012) Kevin J. Walsh et al.   ICARUS

Structural stability of rubble-pile asteroids

(2012) Ishan Sharma   ICARUS

A new method to determine the grain size of planetary regolith

(2012) Bastian Gundlach et al.   ICARUS

Stress-strain behavior of sand at high strain rates

(2012) Mehdi Omidvar et al.   INTERNATIONAL JOURNAL OF IMPACT ENGINEERING

Radar-Enabled Recovery of the Sutter's Mill Meteorite, a Carbonaceous Chondrite Regolith Breccia

(2012) P. Jenniskens et al.   SCIENCE

SIMULATING ASTEROID RUBBLE PILES WITH A SELF-GRAVITATING SOFT-SPHERE DISTINCT ELEMENT METHOD MODEL

(2011) Paul Sánchez et al.   ASTROPHYSICAL JOURNAL

Radar observations and the shape of near-Earth asteroid 2008 EV5

(2011) Michael W. Busch et al.   ICARUS

Scaling forces to asteroid surfaces: The role of cohesion

(2010) D.J. Scheeres et al.   ICARUS

Assessment of rolling resistance models in discrete element simulations

(2010) Jun Ai et al.   POWDER TECHNOLOGY

The Lifetime of Ice on Main Belt Asteroids

(2008) Norbert Schorghofer   ASTROPHYSICAL JOURNAL

Dense flows of cohesive granular materials

(2008) PIERRE G. ROGNON et al.   JOURNAL OF FLUID MECHANICS