Physics Kepler's Law- How do I find the Major & Minor Axis
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Physics Kepler's Law- How do I find the Major & Minor Axis

[From: ] [author: ] [Date: 11-05-04] [Hit: ]
Thank you for your contribution!-You are given a list of points on the circumference of the ellipse.put the corresponding values of x,and find the constants a, b,h ,......
I am given a set of data to plot the elliptical orbit about the moon.
So far, I plotted the data onto a graph paper.
It asks me to draw the major axis and minor axis.

Major axis- It should go through the origin and be the longest diameter you can draw.
Minor axis- This should bisect the major axis and should be perpendicular to the major axis.

Okay, I know how it should look like, but how do I find the major and minor axis using the data table?

10 points to first and best answer!
Thank you for your contribution!

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You are given a list of points on the circumference of the ellipse.

put the corresponding values of x,y in the equation (x-h)^2/a^2+(y-k)^2/b^2=1
and find the constants a, b,h , k
h,k is the centre

if a>b major axis is y=k and minor axis is x=h

if b>a then vice versa

(works only if one of the major or minor axes are parallel to x=0 or y=0

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what set of data? try this http://en.wikipedia.org/wiki/Ellipse
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