Kepler Law

Johannes Kepler

A German astronomer, mathematician and astrologer who modified the heliocentric model

The use of Kepler's law

Describe the motion of the planets around the Sun

Number of Kepler's Laws that were published

Three

The person that published Kepler's laws

Johannes Kepler

The orbit shape in the solar system

Ellipse

Kepler's First Law

All planets move in elliptical orbits with the Sun at one focus

Radius of orbit

Average value of the distance between the planet and the Sun

Kepler's Second Law

A line that connects a planet to the Sun sweeps out equal areas in equal times

Kepler's Third Law

The square of the orbital period of any planet is directly proportional to the cube of the radius of its orbit

Laws that formulate Kepler's Third Law

Newton's Universal Law of Gravitation and concept of circular motion