The daughter of university professors, Ms Berenson broke off her studies at the Massachusetts Institute of Technology in Boston to travel to Central and South America.
The fire broke out as students from the Federal University of Santa Maria (UFSM) were holding a freshers' ball, the Diario de Santa Maria, a local newspaper, reported.
Ebb and Flow broke into smithereens upon impact and pinpointing the small craters they carved was difficult, said Arizona State University researcher Mark Robinson, who operates the orbiter's camera.