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 |  | Celestial Mechanics (last updated: 2023 January 16) 
 Part I. Mathematical Preambles
 
 Chapter 1.    Numerical Methods
 
 
 
| 1.1 | Introduction |  | 1.2 | Numerical Integration |  | 1.3 | Quadratic Equations |  | 1.4 | The Solution of f(x) = 0 |  | 1.5 | The Solution of Polynomial Equations |  | 1.6 | Failure of the Newton-Raphson Method |  | 1.7 | Simultaneous Linear Equations, N = n |  | 1.8 | Simultaneous Linear Equations, N < n |  | 1.9 | Nonlinear Simultaneous Equations |  | 1.10 | Besselian Interpolation |  | 1.11 | Fitting a Polynomial to a Set of Points. Lagrange Polynomials. Lagrange Interpolation. |  | 1.12 | Fitting a Least Squares Straight Line to a Set of Observational Points |  | 1.13 | Fitting a Least Squares Polynomial to a Set of Observational Points |  | 1.14 | Legendre Polynomials |  | 1.15 | Gaussian Quadrature - the Algorithm |  | 1.16 | Gaussian Quadrature - Derivation |  | 1.17 | Frequently-needed Numerical Procedures |  
 Chapter 2.    Conic Sections
 
 
 
| 2.1 | Introduction |  | 2.2 | The Straight Line |  | 2.3 | The Ellipse |  | 2.4 | The Parabola |  | 2.5 | The Hyperbola |  | 2.6 | Conic Sections |  | 2.7 | The General Conic Section |  | 2.8 | Fitting a Conic Section Through Five Points |  | 2.9 | Fitting a Conic Section Through n Points |  
 Chapter 3.    Plane and Spherical Trigonomtry
 
| 3.1 | Introduction |  | 3.2 | Plane Triangles |  | 3.3 | Cylindrical and Spherical Coordinates |  | 3.4 | Velocity and Acceleration Components |  | 3.5 | Spherical Triangles |  | 3.6 | Rotation of Axes, Two Dimensions |  | 3.7 | Rotation of Axes, Three Dimensions.   Eulerian Angles |  | 3.8 | Trigonometrical Formulas |  
 Chapter 4.    Coordinate Geometry in Three Dimensions
 
 
 
| 4.1 | Introduction |  | 4.2 | Planes and Straight Lines |  | 4.3 | The Ellipsoid |  | 4.4 | The Paraboloid |  | 4.5 | The Hyperboloid |  | 4.6 | The Cylinder |  | 4.7 | The Cone |  | 4.8 | The General Second Degree Equation in Three Dimensions |  | 4.9 | Matrices |  
 Chapter 5.    Gravitational Field and Potential
 
 
 
| 5.1 | Introduction |  | 5.2 | Gravitational Field |  | 5.3 | Newton's Law of Gravitation |  | 5.4 | The Gravitational Fields Around Various Bodies |  |  | 
| 5.4.1 | Gravitational Field Around a Point Mass |  | 5.4.2 | Gravitational Field on the Axis of a Ring |  | 5.4.3 | Plane discs |  | 5.4.4 | Infinite Plane Laminas |  | 5.4.5 | Rods |  | 5.4.6 | Solid Cylinder |  | 5.4.7 | Hollow Spherical Shell |  | 5.4.8 | Uniform Solid Sphere |  | 5.4.9 | Bubble Inside a Uniform Solid Sphere |  | 5.4.10 | Field Inside a Nonuniform Sphere |  |  | 
| 5.4.10.A | Differentiated Planet |  | 5.4.10.B | Undifferentiated Planet |  |  | 
| 5.4.10.B.i | Density Increases Uniformly With Depth |  | 5.4.10.B.i | Density Increases Nonuniformly With Depth |  |  |  |  | 5.5 | Gauss's Theorem |  | 5.6 | Calculating Surface Integrals |  | 5.7 | Pressure at the Centre of a Uniform Solid Sphere |  | 5.8 | Gravitational Potential |  | 5.9 | Nabla, Gradient and Divergence. Poisson's and Laplace's Equations |  | 5.10 | The Gravitational Potential Near Various Bodies |  |  | 
| 5.10.1 | Potential Near a Point Mass |  | 5.10.2 | Potential on the Axis of a Ring |  | 5.10.3 | Plane Discs |  | 5.10.4 | Infinite Plane Lamina |  | 5.10.5 | Hollow Hemisphere |  | 5.10.6 | Rods |  | 5.10.7 | Solid Cylinder |  | 5.10.8 | Hollow Spherical Shell |  | 5.10.9 | Uniform Solid Sphere |  |  | 
| 5.10.9.A | Potential Inside and Outside |  | 5.10.9.B | Work Required to Assemble a Uniform Sphere |  |  |  | 5.11 | Legendre Polynomials |  | 5.12 | Gravitational Potential in the Vicinity of any Massive Body |  
 Part II. Celestial Mechanics
 
 Chapter 6.    The Celestial Sphere
 
 
 
| 6.1 | Introduction |  | 6.2 | Altazimuth Coordinates |  | 6.3 | Equatorial Coordinates |  | 6.4 | Conversion Between Equatorial and Altazimuth Coordinates |  | 6.5 | Ecliptic Coordinates |  | 6.6 | The Mean Sun |  | 6.7 | Precession |  | 6.8 | Nutation |  | 6.9 | The Length of the Year |  
 Chapter 7.    Time
 
 Chapter 8.    Planetary Motions
 
 
 
| 8.1 | Introduction |  
 | 8.2 | Opposition, Conjunction and Quadrature |  
 | 8.3 | Sidereal and Synodic Periods |  
 | 8.4 | Direct and Retrograde Motion, and Stationary Points |  
 
 Chapter 9.    The Two Body Problem in Two Dimensions
 
 
 
| 9.1 | Introduction |  | 9.2 | Kepler's Laws |  | 9.3 | Kepler's Second Law from Conservation of Angular Momentum |  | 9.4 | Some Functions of the Masses |  | 9.5 | Kepler's First and Third Laws from Newton's Law of Gravitation |  | 9.6 | Position in an Elliptic Orbit |  | 9.7 | Position in a Parabolic Orbit |  | 9.8 | Position in a Hyperbolic Orbit |  | 9.9 | Orbital Elements and Velocity Vector |  | 9.10 | Osculating Elements |  | 9.11 | Mean Distance in an Elliptic Orbit |  
 Chapter 10.    Computation of an Ephemeris
 
 
 
| 10.1 | Introduction |  | 10.2 | Elements of an Elliptic Orbit |  | 10.3 | Some Additional Angles |  | 10.4 | Elements of a Circular or Near-circular Orbit |  | 10.5 | Elements of a Parabolic Orbit |  | 10.6 | Elements of a Hyperbolic Orbit |  | 10.7 | Calculating the Position of a Comet or Asteroid |  | 10.8 | Quadrant Problems |  | 10.9 | Computing an Ephemeris |  | 10.10 | Orbital Elements and Velocity Vector |  | 10.11 | Hamiltonian Formulation of the Equations of Motion |  
 Chapter 11.    Photographic Astrometry
 
 
 
| 11.1 | Introduction |  | 11.2 | Standard Coordinates and Plate Constants |  | 11.3 | Refinements and Corrections |   | 
| 11.3.1 | Parallaxes of the Comparison Stars |  | 11.3.2 | Proper Motions of the Comparison Stars |  | 11.3.3 | Refraction |  | 11.3.4 | Aberration of light |  | 11.3.5 | Optical Distortion |  | 11.3.6 | Errors, Mistakes and Blunders |  |  
 Chapter 12.    CCD Astrometry
 
 Chapter 13.    Calculation of Orbital Elements
 
 
 
| 13.1 | Introduction |  | 13.2 | Triangles |  | 13.3 | Sectors |  | 13.4 | Kepler's Second Law |  | 13.5 | Coordinates |  | 13.6 | Example |  | 13.7 | Geocentric and Heliocentric Distances - First Attempt |  | 13.8 | Improved Triangle Ratios |  | 13.9 | Iterating |  | 13.10 | Higher-order Approximation |  | 13.11 | Light-time Correction |  | 13.12 | Sector-Triangle Ratio |  | 13.13 | Resuming the Numerical Example |  
 Chapter 14.    General Perturbation Theory
 
 
 
| 14.1 | Introduction |  | 14.2 | Contact Transformations and General Perturbation Theory |  | 14.3 | The Poisson Brackets for the Orbital Elements |  | 14.4 | Lagrange's Planetary Equations |  | 14.5 | Motion Around an Oblate Symmetric Top |  
 Chapter 15.    Special Perturbations
 
 
 
| 15.1 | Introduction |  | 15.2 | Orbital Elements and the Position and Velocity Vector |  | 15.3 | The Equations of Motion |  
 Chapter 16.    Equivalent Potential and the Restricted Three-Body Problem
 
 
 
| 16.1 | Introduction |  | 16.2 | Motion Under a Central Force |  | 16.3 | Inverse Square Attractive Force |  | 16.4 | Hooke's Law |  | 16.5 | Inverse Fourth Power Force |  | 16.6 | The Collinear Lagrangian Points |  | 16.7 | The Equilateral Lagrangian Points |  
 Chapter 17.    Visual Binary Stars
 
 
 
| 17.1 | Introduction |  | 17.2 | Determination of the Apparent Orbit |  | 17.3 | The Elements of the True Orbit |  | 17.4 | Determination of the Elements of the True Orbit |  | 17.5 | Construction of an Ephemeris |  
 Chapter 18.    Spectroscopic Binary Stars
 
 
 
| 18.1 | Introduction |  | 18.2 | The Velocity Curve from the Elements |  | 18.3 | Preliminary Elements from the Velocity Curve |  | 18.4 | Masses |  | 18.5 | Refinement of the Orbital Elements |  | 18.6 | Finding the Period |  | 18.7 | Measuring the Radial Velocity |  
 Appendix A.    Miscellaneous Problems
 
 Appendix B.    Solutions to Miscellaneous Problems
 
 
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