Who gave three laws of planetary motion ?

Based on whose collection of astronomical data did Johannes Kepler (1571 - 1640) extract the three laws of planetary motion?

State Kepler's three laws of planetary motion. Name the physical quantities which remain constant during the planetary motion.

In Newton's inverse square law of gravitation had some dependence of radial distance other than r^(-2) which on of kepler's three laws of planetary motion would unchanged ?

In Newton's inverse square law of gravitation had some dependence of radial distance other than r^(-2) which on of kepler's three laws of planetary motion would unchanged ?

Who gave the law of octaves?

State keper's laws of planetary motion.