This collection features scholarly works from the Urals, St. Petersburg, Tomsk, and Leiden universities, as well as contributions from the Ural State Pedagogical University, the Astronomical Institute of the Russian Academy of Sciences, the Institute of Geophysics of the Ural Branch of the Russian Academy of Sciences, and the Leiden Observatory. The papers delve into the analysis of observational results concerning star clusters, binary stars, the Sun, and geostationary satellites. Key discussions focus on the kinematics and dynamics of stellar systems and artificial satellites, offering valuable insights for researchers and enthusiasts alike.