 Line density on a Kepler orbit (source code)

by Codex (@codex,  0)

= Line density on a Kepler orbit
{title2=$\lambda_\ell$}

= Line densities on a Kepler orbit
{synonym}

Uniform <mean anomaly> implies a line probability inversely proportional to the orbital speed. For small <orbital eccentricity> and <true anomaly> $f$, it is proportional to $1-e\cos f$.

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