A. 340-km diameter planetesimal with a 120-km diameter iron core before impact of a 60-km diameter
B. Low-velocity (5 km/s) impact of a 80-km diameter chondritic object that excavates metal from the
core of the body into the upper mantle.
C. Low-velocity (1 km/s) impact of a 60-km diameter iron object that becomes implanted in the upper
mantle of the body.