Kepler's Law Comparison Table

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Kepler's Law comparison table

Subject has equation has definition has synonym

Kepler's first Law Each planetary orbit is an ellipse with the Sun at one focus.

Kepler's second Law Equal areas are swept out in equal times. law of areas

Kepler's third Law P² = 4π² a³ / [G (m₁ + m₂)] The square of the period is proportional to the cube of the distance. harmonic law

Subject	has equation	has definition	has synonym
Kepler's first Law		Each planetary orbit is an ellipse with the Sun at one focus.
Kepler's second Law		Equal areas are swept out in equal times.	law of areas
Kepler's third Law	P² = 4π² a³ / [G (m₁ + m₂)]	The square of the period is proportional to the cube of the distance.	harmonic law

Next gravity law: Newton's theory of gravity Up: gravity law Previous gravity law: equivalence principle