Choosing a Rational Configuration of the Tethered System Designing for Stabilizing the Motion of a Circumlunar Space Station.- Optimization of Minimum Thrust Trajectories with Free Boundary Conditions between Earth and Lunar Orbit.- Analysis of Motion Control Strategies for the Collocation of Geostationary Satellites in the Vicinity of the Standing point +95 Degrees.- The Deployment of a Space Net System for Providing the Contact Studies on the Asteroid Surface.- Reducing Costs of a Characteristic Speed of an Interplanetary Flight Using a Deep Space Maneuver.- Determination and Analysis of Possible Flight Schemes to Sedna in 2029-2037.- Using Low Orbits as a Means of Reducing the Cost of Space Technology.- Justification of Safe Pressure Maintenance Regimes in Spacecraft in Case of Accidental Depressurization.