Estimation of Reflectance Properties of Small Solar System Bodies from Optical Remote Sensing

Kurzfassung

The general idea of this work is to create simulated pictures of Vesta and Ceres and to minimize the difference in brightness named Z for each pixel from the real picture taken by DAWN. The reflectance distribution is simulated in a Hapke-model and relies on four parameters (Single-Scattering Albedo (SSA) !, scattering parameter g, and two Hot-Spot parameters B0 and h). The correct parameters are extracted by minimizing the Z-function. The model uses a single-term Henyey-Greenstein phase function and no surface roughness parameter. The real pictures are calibrated Level-1b-images. Finally, the results are compared to results of other works and discussed.