Geometrical Approach to Kepler’s Laws of Planetary Motion

DOI: 10.4236/ce.2013.48A002    4,250 Downloads   6,271 Views   Citations
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The elementary pen-and-string method to draw ellipsis has been devised to examine planetary orbits on the basis of the Kepler’s laws. Besides qualitative features of the orbits, quantitative dependence of the orbital shape on the quantities appearing in the Kepler’s laws can also be analyzed with simple geometrical procedures. The method thus provides a relevant intermediate step to students prior to the study of the rigorous theory of central force problems.

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Yajima, Y. (2013). Geometrical Approach to Kepler’s Laws of Planetary Motion. Creative Education, 4, 6-8. doi: 10.4236/ce.2013.48A002.

Conflicts of Interest

The authors declare no conflicts of interest.


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