egg changed the topic of #principia to: READ THE FAQ: http://goo.gl/gMZF9H; The current version is Germain. We currently target 1.8.1, 1.9.1, 1.10.1, and 1.11.0. <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… | <egg> also 4e16 m * 2^-52 is uncomfortably large
<discord-> s​iimav. — Yeah, as long as the flimsy machine doesn't overheat and throttle because Principia is using up the rest of the threads besides the one that KSP itself uses.
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<discord-> P​aculino (ŝi/ri/she/they). — Is there a trick to minimizing orbital drift in geostationary orbits not at the self-stabilizing longitudes?
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<raptop> This looks relevant to this channel? https://arxiv.org/abs/2101.05340
<discord-> A​shnoom. — Perhaps this -> https://discord.com/channels/319857228905447436/320197886614700033/799938961480220672 question could better be asked here.
<discord-> e​gg. — « get into this orbit » contracts are a bad idea with Principia
<discord-> e​gg. — https://forum.kerbalspaceprogram.com/index.php?/topic/162200-wip181-191-1101-1110-principia%E2%80%94version-germain-released-2021-01-13%E2%80%94n-body-and-extended-body-gravitation/page/62/&tab=comments#comment-3789232
<_whitenotifier-8975> [Principia] pleroy assigned issue #2853: Crash while nearby vessel explodes - https://git.io/JLpdn
<_whitenotifier-8975> [Principia] pleroy commented on issue #2853: Crash while nearby vessel explodes - https://git.io/JtTii
<discord-> C​aravans of Rockets. — orbital mechanics seems more difficult than propulsion systems, so I am gonna start from propulsion systems
<discord-> C​aravans of Rockets. — orbital mechanics seems more difficult than propulsion systems, so I am gonna start my study from propulsion systems (edited)
<discord-> B​uilderbast. — depend on what level of orbital mechanics but I'd say thats easier thn propulsion
<_whitenotifier-8975> [Principia] pleroy commented on issue #2853: Crash while nearby vessel explodes - https://git.io/JtTdc
<_whitenotifier-8975> [Principia] pleroy opened issue #2863: The journal for #2853 fails when replaying a DeleteInterchange message - https://git.io/JtTdB
<_whitenotifier-8975> [Principia] pleroy assigned issue #2863: The journal for #2853 fails when replaying a DeleteInterchange message - https://git.io/JtTdB
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<lil_monke> are there any good differential gravity type mods for ksp that work with principia?
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<egg|laptop|egg> lil_monke: I don’t understand your question
<egg|laptop|egg> Principia treats vessels as test masses, and so does stock KSP
* raptop guesses that this is something about gravity torques, which IIRC stock KSP optimized out circa 0.13 or so
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<lil_monke> i mean where the gravitational field in slightly different above some areas of the bodies
<lil_monke> ive seen that ro does something like that
<raptop> Like the lunar masscons?
<lil_monke> yes
<raptop> Or more generally the way Principia allows for non-spherical gravity fields because the planets/moons are uniform cows, so you get some orbit perturbations
<lil_monke> i mean stuff like masscons
<raptop> Principia natively supports that, so in this case the relevant mod would be RO which provides the bodies in question
<lil_monke> ok
<lil_monke> but i was looking for one for the base games' bodies
<raptop> Well, there's the problem that stock KSP planets are spheres with height-maps. And one can joke that some (eg: Minmus) are prolate instead of oblate because of the way the mountains are arranged
<lil_monke> ah ok
<discord-> s​cimas. — The RSS real data is provided by Principia itself though, not by RO. For stock you could create an arbitrary gravity model for each body as long as it doesn't destabilise the system. In fact there was a user on the forums some time ago who was attempting to create gravity models for bodies based on their height maps and some assumptions about internal mass distribution. Don't know whether their eff
<discord-> s​cimas. — https://forum.kerbalspaceprogram.com/index.php?/topic/162200-wip181-191-1101-1110-principia%E2%80%94version-germain-released-2021-01-13%E2%80%94n-body-and-extended-body-gravitation/&do=findComment&comment=3645229
<discord-> e​gg. — I am going to guess that’s a « no », given that they were never heard from again ; doing this properly would be quite a lot of work, and I’d expect whoever put in that work to be quite happy to show it to the world
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