Celestial mechanics, in the broadest sense, is the application of classical mechanics to the motion of celestial bodies acted on by any of several types of forces. By far the most important force experienced by these bodies, and much of the time the only important force, is that of their mutual gravitational attraction.

However, other forces can be important as well, such as atmospheric drag on artificial satellites, the pressure of radiation on dust particles, and even electromagnetic forces on dust particles if they are electrically charged and moving in a magnetic field.

The aim of this Special issue is to collate original research and review articles with a focus covering the entire range of celestial mechanics, astronomical dynamical systems, planetary and stellar space dynamics, and the dynamical and astrophysical aspects of the celestial objects motion. This will also include both observational and theoretical research articles, the techniques of celestial mechanics, and data analysis. Submissions with either mathematical physics or general relativity approaches, which establish a clear astrophysical or astrodynamical application, are also welcome.

Potential topics include but are not limited to the following:

• Perturbed N-body problems (N≥2) and perturbation methods
• Analytical and semi-analysis methods for relative motion and periodic orbits
• Orbital dynamics in deep space exploration (e.g., lunar, planet, asteroid)
• Computational methods in celestial mechanics
• Stability analysis and intelligent methods in orbital dynamics
• Numerical integration methods of celestial mechanics
• Galactic dynamics, rotation, and stellar orbits
• Measurement and observations of near-earth objects