It Can Be Tricky Calculating the Location of Lagrange Points
<p>I didn’t plan on writing this. My goal was to make a series of videos exploring all the cool aspects of Lagrange points (<a href="https://youtube.com/playlist?list=PLWFlMBumSLSZ6yZiyb3-gJLAbYQC7YiTB" rel="noopener ugc nofollow" target="_blank">video playlist here</a>). However, stuff gets complicated and I made some mistakes. So, here I am — trying to fix those mistakes. Oh, one more thing. My goal wasn’t to find the locations of Lagrange points, it was to build my own model (mostly from scratch) to calculate these things.</p>
<p><strong>Introduction to Lagrange Points</strong></p>
<p>Wait. What the heck is a Lagrange point? In short, there are 5 locations (labeled L1 — L5) near the orbit of two bodies. The net gravitational field at these locations is such that a low mass object could orbit there with the same angular velocity as the two large bodies. This means that the object will stay stationary relative to those objects.</p>
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