The Macroporosity of Rubble Pile Asteroid Ryugu and Implications for the Origin of Chondrules

William Herbst, James P. Greenwood, Teng Ee Yap

We use the known surface boulder-size distribution of the C-type rubble pile asteroid Ryugu (NEA 162173) to determine its macroporosity, assuming it is a homogeneous granular aggre…