Newton Generalized Kepler's Laws of Planetary Motion when he Developed his Laws of Universal Gravitation. Additional Generalizations are Submitted and an Auspicious Unified Model that can Be Tested Experimentally is Disclosed.
International Frontier Science Letters (Volume 1)
B. L. Jarvis "General Keplerian Dynamics (GKD): A Testable Grand Unified Theory", International Frontier Science Letters, Vol. 1, pp. 16-27, 2014