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1st Law: Planets Orbit in Elliptic Paths


  
Figure 6: Elliptic Orbit
\begin{figure} \begin{center} \leavevmode \epsfxsize=6 cm \epsfbox{figs/grav4.eps} \end{center}\end{figure}

P = perigee(satellites)/perihelion(planets)
A = apogee(satellites)/aphelion(planets)
a = $\left(\displaystyle\frac{r_1 + r_2}{2}\right)$ = semi-major axis

gabor@theory.uwinnipeg.ca
2001-01-05