The three laws given by Kepler are:
Kepler’s first law:
The orbit of a planet is an ellipse with the sun at one of the foci.
Kepler’s second law:
The line joining the planet and the sun sweeps equal areasin equal intervals of time. c.
Kepler’s third law:
The square of orbital period of revolution of a planet aroundthe Sun is directly proportional to the cube of the mean distance of the planet from the Sun.