Study of the Possibility to Develop a Lunar Navigation Satellite System and a Lunar Orbital Spaceport Using the High Circular Orbits of the Moon Artificial Satellite.

The paper discusses the development of a lunar navigation satellite system and a lunar orbital spaceport based on high near-circular orbits of an Moon artificial satellite and using Russian launch vehicles. Two tasks are studied within a complex problem of a lunar orbital system construction for the navigation support during future development of the Moon. The results of analysis of a spacecraft orbital evolution while moving in the real field of the Moon under the effect of gravitational perturbations are presented. It is shown that the high polar near-circular orbits around the Moon can retain their orbital shape for a long time. Spacecraft insertion into such orbits using a few scenarios is considered. Possible configuration of the lunar navigation satellite system is analyzed to illustrate the fundamental possibility of constructing such a navigation system and a lunar orbital spaceport based in high near-circular orbits around the Moon and using the launch vehicles of the Soyuz family. [ABSTRACT FROM AUTHOR]