The Japanese Hayabusa2 space mission approached the Near-Earth asteroid 162173 Ryugu in June 2018. Since then, it is taking data and mapping in detail the asteroid surface, finding a very dark and boulder rich asteroid with very homogenous spectral reflectance properties in the near IR. By using the data obtained by the NIRS 3 spectrometer, the intent of this work is to detect dark and bright patches and to study their characteristics, with the support of statistical and machine learning tools
