egg changed the topic of #principia to: Logs: https://esper.irclog.whitequark.org/principia | <scott_manley> anyone that doubts the wisdom of retrograde bop needs to get the hell out | https://xkcd.com/323/ | <egg> calculating the influence of lamont on Pluto is a bit silly…
<queqiao--> <a​er​ci​an​> how do you switch to another vessel or target another vessel
<queqiao--> Reply to "a​er​ci​an​: how do you switch to another vessel or target another vessel on the map"
<queqiao--> <M​ix​o ​(S​im​on​)> [ or ]
<queqiao--> <M​ix​o ​(S​im​on​)> If less than 2 km away. Click it in map or tracking station if further
<queqiao--> <a​er​ci​an​> just click it once?
<queqiao--> <M​ix​o ​(S​im​on​)> Rightmouseclick i think, to get the menu
<queqiao--> <M​ix​o ​(S​im​on​)> Then chose focus vessel or switch to
<queqiao--> <a​er​ci​an​> that doesnt work for principia
<queqiao--> <M​ix​o ​(S​im​on​)> Ah srry, mea culpa. Then idk
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<_whitenotifier-9c5a> [Principia] pleroy closed pull request #4242: Improve the Mathematica IEEE libraries to require explicit CorrectlyRound - https://github.com/mockingbirdnest/Principia/pull/4242
<_whitenotifier-9c5a> [Principia] pleroy opened pull request #4245: Add support for rounding reals and for evaluation polynomials - https://github.com/mockingbirdnest/Principia/pull/4245
<queqiao--> <K​at​ni​ss​> Anyone know stuff about the fast multipole method? I'm curious if each node can be thought of as a virtual body with mass distribution following some set of spherical harmonics
<queqiao--> <K​at​ni​ss​> Because it makes sense to me but idk if there's some detail that makes it not analogous
<_whitenotifier-9c5a> [Principia] eggrobin opened pull request #4246: Fix the non-representable part of HexLiteral - https://github.com/mockingbirdnest/Principia/pull/4246
<_whitenotifier-9c5a> [Principia] ezsnackeur opened issue #4247: Make the Manoeuvring frame default to inertial of the current SOI - https://github.com/mockingbirdnest/Principia/issues/4247
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<_whitenotifier-57aa> [Principia] eggrobin closed pull request #4246: Fix the non-representable part of HexLiteral - https://github.com/mockingbirdnest/Principia/pull/4246
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<queqiao--> Reply to "R​ot​or​He​ad​: In what way is it easier?"
<queqiao--> <t​hu​nk​> you can do extra fancy things like this pretty intuitively. Compared to Orbiter which doesn't really have much of anything for weak-stability trajectories it's super useful https://www.youtube.com/watch?v=l3PCCJZzVvg
<queqiao--> Reply to "a​er​ci​an​: how do you switch to another vessel or target another vessel on the map"
<queqiao--> <a​er​ci​an​> ^
<queqiao--> <a​er​ci​an​> only way ive been able to switch to another vessel is by spamclicking it and im guessing thats not how you do it
<queqiao--> <G​oF​or​PD​I ​(l​es​s ​dr​ag​=m​or​e ​fa​st​er​)> Select target vessel in the Principia window and then switch to
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<raptop> Things Principia can do (and possibly someone should do in Principia?) https://arxiv.org/abs/2507.13017
<queqiao--> <C​la​ye​l> what! thats cool!
<queqiao--> Reply to "t​hu​nk​: you can do extra fancy things like this pretty intuitively. Compared to Orbiter which doe..."
<queqiao--> <R​ot​or​He​ad​> I’ve seen that video, very cool recreation
<queqiao--> <R​ot​or​He​ad​> Have you seen the all planets flyby with extremely little dV video?
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<queqiao--> Reply to "R​ot​or​He​ad​: Have you seen the all planets flyby? https://m.youtube.com/watch?v=7BDxZV7UD9I&pp=ygUVa3N..."
<queqiao--> <t​hu​nk​> yeah :3
<queqiao--> Reply to "r​ap​to​p: Things Principia can do (and possibly someone should do in Principia?) https://arxiv.org/...";
<queqiao--> <t​hu​nk​> hmm. i think this would be useful to demonstrate a plane correction for a slightly out of plane launch. lets say youre targeting due east from the cape and screw up the timing and direction. say 5 degrees off on omega and 2 on inclination. as i understand you raise the orbit to precess slower than the target and adjust inclination, and wait for plane alignment before dropping down
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