Polarization is one of the important optical characteristics of target. Certain materials used in constructing satellites possess unique polarization because of certain space target designs and different orbits. Thus polarization can be considered for target detection and recognition. Photopolarimetric characteristic of space target materials and model are measured and analyzed. Results show that the polarization properties of material are significant for target detection, and the attitude of solar panel has great effect on the polarization of satellite. This research can give support to the application for space target detection and recognition.