This book is based on the author's lectures at the Yerevan State University, Yerevan Polytechnic Institute and to Soviet cosmonauts. Oriented toward students, it includes details on Shoemaker-Levy 9 comet's impact with Jupiter, flight of Ulysses over the Solar poles, and Voyagers' solar system tour.
1. The Universal Law of Gravitation 2. The Two-body Problem 3. Derivation of Kepler's Laws from Newton's Law 4. Motion of Celestial Bodies 5. Ephemerides of Celestial Bodies 6. Determination of the Orbit of a Celestial Body from Observations 7. Determination of Elements of the Orbits by Three Observations 8. The N-body problem 9. The Restricted Three-body Problem 10. The Theory of Perturbations 11. Trajectories of Interplanetary Flights 12. Flights to the Moon 13. Flights to the Planets 14. Canonical Equations of Celestial Mechanics