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public:fs_astronomie [2023/05/16 17:13] psio |
public:fs_astronomie [2023/05/16 17:14] (current) psio |
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| |Keplers 3rd law when mass of planet is much smaller than the star $\frac{M}{M_\odot} \approx 1$ | \begin{equation} | |Keplers 3rd law when mass of planet is much smaller than the star $\frac{M}{M_\odot} \approx 1$ | \begin{equation} | ||
| a^3 = P^2 | a^3 = P^2 | ||
| - | \end{equation} | | | + | \end{equation} |\begin{align*} |
| + | a &= \text{Semi-major axis of elliptical orbit in Units of AU}\\ | ||
| + | P & | ||
| + | \end{align*} | ||
| ==== Small angle ==== | ==== Small angle ==== | ||