Satellite and Kepler's laws of planetary motion

State Kepler's laws of planetary motion.

State keper's laws of planetary motion.

State Kepler's 1st law of planetary motion.

State Kepler's 2nd law of planetary motion.

State Kepler's 3rd law of planetary motion.

According to one of the Kepler's laws of planetary motion:

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

Deduce the law of gravitation from Kepler’s laws of planetary motion