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I searched up this page hoping to find some kind of guide as to which axis each of a, b and c refer to, and I've come up empty. Presumably one of them is the polar axis and therefore identical to z, but there's nothing here which tells us which. If it's some kind of fundamental mathematical truth, well, it's been about twenty years since I last took a maths class which involved any geometry of that kind, but even then I don't think I was taught it, so some kind of reference / link to those fundamentals would be appreciated.
(Why? Because a particular asteroid was described as having those three axes exhibiting a certain size relationship, caused by its rapid spin - and whilst I feel fairly confident that we can count out a, as that's given as the longest, which is unlikely if the body has been deformed by said spinning, it's not a given which of b or c it would be (if it's sufficiently deformed, the shorter equatorial axis may well be smaller than the polar one, especially if it formed as a contact binary?), and the ranges for the aspect ratios between each of those and a overlap somewhat. On top of that, I'm trying to work out which of three scenarios for the truth of an anomalous occultation event are the most likely (actually a binary / smaller than expected primary with large moon, very irregular shape, or one of two different reporting stations giving anomalous results was actually lying or gravely mistaken), and that sort of hinges on whether we take the b or c size range as the polar one...)
146.199.60.87 (
talk)
23:10, 11 August 2019 (UTC)