Аннотация:Mons Rümker, located in the northern part of the near side of the moon, was chosen asthe landing site for the future Chinese mission Chang'e-5. The launch of the mission isplanned for the end of 2020. This will be the first Chinese mission in which it is plannedto return to Earth and deliver samples of lunar soil. The probe will consist of two parts:orbital and landing modules. The landing module will be equipped with a drilling rigcapable of taking soil samples from a depth of up to 2 meters. In this paper, we studiedthe temperature regime and surface characteristics in the region of Mons Rümker. MonsRümker is located in the northern part of the Oceanus Procellarum. The peak is ofvolcanic origin. The formation of the peak began in the Imbrian period and ended in theEratosthenian, that is, its age exceeds 1.3 billion years. We investigated illumination andtemperature conditions in the region of the peak. Selected part of the lunar surface isdivided into a number of elements of given size. The height, slope and orientation ofeach element are calculated based on a DEM. To determine the position of the sun ateach time step its angular height and the orientation will be calculated. This will allowus to investigate the insolation and solar and infrared flux from all elements of thesurface visible from the element at a given time step. The peak height reaches 1.2 kmabove the surrounding area. The size of the base is about 75 km. The highest part of thefeature is located in its southern part. The values of surface slopes range from 0.1 on thesurrounding peak area to 9 degrees in the region of the southwestern slope of the peak.Slopes are in the range of 0.3 - 4 degrees in the central part of the peak. The maximumtemperatures reach 359 K in this region, and the minimum - about 100 K.