Advanced navigation and communication system for circumlunar space

The paper presents composition and architecture of an advanced navigation and communication system for circumlunar space. The system supports continuous navigation over the entire lunar surface and in circumlunar space, as well as simultaneous data exchange between lunar infrastructure and ground control complex. The system includes relay satellites at libration points in the Earth-Moon system, which interface between themselves via laser communication links. The relay satellites communicate with Earth and the Moon via radio links. Coordinates of objects on the lunar surface are determined using local navigation system of the differential range finder type.