Yep. Orbits are always conic sections. Which sometimes inconveniently intersect ... | Hacker News

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dreamcompiler on Oct 18, 2020 | parent | context | favorite | on: Gravity is not a force – free-fall parabolas are s...

Yep. Orbits are always conic sections. Which sometimes inconveniently intersect with the surface of the thing being orbited.

dreamcompiler on Oct 19, 2020 [–]

More precisely, 2-body orbits are always conic sections. Once you add more bodies, orbits usually become chaotic.

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