The book "The main problem of the theory of motion of the satellite" is a unique study that immerses the reader in the depths of modern space science and theoretical mechanics. The author, whose name remains unknown, has created a work that can interest both professional scientists and engineers, as well as enthusiastic space lovers who want to understand the complex processes that underlie the movement of artificial satellites of the Earth and other space objects. This book is a real storehouse of knowledge for those who want to understand the fundamental issues associated with the dynamics of satellite, and understand why this problem is considered key in the development of modern space technology. The focus of the book "The main problem of the theory of the movement of satellite" - questions related to the accuracy of modeling and prediction of the trajectories of artificial satellites The author masterfully reveals the difficulties associated with taking into account various factors, such as gravitational disturbances, atmospheric resistance, the influence of the solar wind and magnetic fields. In the process of reading, the reader will learn how modern methods of mathematical modeling help to overcome these difficulties and ensure the stability and accuracy of navigation of satellites. An equally important topic is the analysis of errors and methods of minimizing them, which makes the book especially valuable for specialists involved in the design and operation of spacecraft. This book will be of interest not only to professionals working in the field of space technology, but also to students, graduate students, as well as a wide range of lovers of astronomy and cosmonautics. It is especially suitable for those who are looking for answers to questions about how satellites are created and controlled, why their trajectories require constant analysis and correction, and how modern scientific achievements help overcome these challenges. At the age of 16 and older, readers with a basic knowledge of physics and mathematics will find in this book not only a theoretical basis, but also practical examples illustrating complex processes. The style of the author is distinguished by accuracy, clarity and scientific rigor, which makes reading both fascinating and informative. The book shows a deep understanding of the intricacies of the theory of the movement of satellites, and the author masterfully combines complex mathematical formulas with living examples from the real practice of space missions. Inspired by classical works on mechanics and modern research, the author creates a work that not only expands the horizons of knowledge, but also causes a desire to plunge into further studies of space technologies. "The main problem of the theory of motion of the satellite" is not just a collection of technical data, but a real guide to understanding how modern scientists and engineers solve one of the most difficult problems in the space industry. This book is worthy of attention of those who appreciate scientific accuracy, seek answers to complex questions and want to understand how satellites that provide our lives are created and managed from navigation and communication to environmental monitoring. It can be compared to classic works on mechanics and modern research in the field of space technology, as well as with popular books on space, which make complex topics accessible and exciting. If you are interested in the topic of satellite movement, want to understand how global navigation systems work or just seek to expand your knowledge of space, the "Main Problem of the Theory of Movement of Satellites" will become an indispensable source of information for you. This book is an excellent choice for those who are looking for a deep and at the same time practical understanding of the processes underlying modern space technologies, and who want to be aware of the latest scientific achievements in this field.