Astronomical Prediction Based on Patterns

=Ancient Astronomy=

Ancient Babylonians
Astronomy for Physical Science - Cal State Long Beach

=Modern Astronomy=

Perturbations
https://en.wikipedia.org/wiki/Perturbation_(astronomy)

Special Perturbations

Gravitation Vs. Relativity by Charles Lane Poor, PhD Full Text Link

Motion of the Planets p.132

Motion of the Planets p.138

Quotes
R. J. Morrison, F.A.S.L., R.N., in his "New Principia," says:

Sir Richard Phillips in his Million Factssays:

Eclipses
Sir Robert Ball, in his "Story of the Heavens," on page 58, informs us: