UmbralRaptop changed the topic of #principia to: READ THE FAQ: http://goo.gl/gMZF9H; The current version is Fano. We currently target 1.3.1, 1.4.x, 1.5.1, and 1.6.1. <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…
<discord->
Kurgut. — do you simulate J2 changes due to ice change, and global warming ? 😛
<discord->
Kurgut. — do you simulate J2 changes due to polar ices changes, and global warming ? 😛 (edited)
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<discord->
egg. — @Kurgut no
<discord->
egg. — we don't even have the precession of the equinoxes, for now the polar axis is anchored in the crystal sphere holding the fixed stars
<discord->
Kurgut. — but this one precesses very slowly iirc, right?
<discord->
egg. — yeah, but still, it has noticeable effects: the sidereal year is 365,256 363 051 days, whereas the tropical year is 365,242 189 8 days
<discord->
Kurgut. — indeed^
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<discord->
egg. — which means that with Principia the "tropical year" would end up being the same as the sidereal year, 365,256 instead of 365,242
<discord->
egg. — which means the Gregorian calendar is *worse* than the Julian year to approximate that :-p
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<discord->
egg. — which means the Gregorian calendar is *worse* than the Julian calendar to approximate that :-p (edited)
<discord->
Kurgut. — btw, I learned recently "western" astrologist don't take this precession in account :p
<discord->
Kurgut. — so you're maybe born Taurus but be Gemini instead
<discord->
Kurgut. — btw, I learned recently "western" astrologists don't take this precession in account :p
<discord->
Kurgut. — so you're maybe born Taurus but be Gemini instead (edited)
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<discord->
Kobymaru. — @Kurgut I'm trying to use the Transfer Window Planner and I'm very suspicous
<discord->
Kurgut. — yes?
<discord->
Kobymaru. — I'm pluggin in the result, and I don't get an encounter anywhere close
<discord->
Kobymaru. — I know for example that KSPTOT definitely got confused, because it thought all the planets orbits were inclined by 23.5°
<discord->
Kobymaru. — do you launch from Kourou?
<discord->
Kobymaru. — I did find a Solution, but it needs more DeltaV than Transfer Window Planner claims
<discord->
Kurgut. — I never had problems, of course you have to fine tune it, TWP give you an estimate. and it knows nothing about precession too
<discord->
Kobymaru. — ok
<discord->
Kobymaru. — I wonder how @egg does interplanetary transfers
<discord->
egg. — why do you all think I play this game
<discord->
egg. — I just mod it, sometimes I launch a thing and then go back to modding :-p
<discord->
Kobymaru. — haha
<discord->
Kobymaru. — silly assumption, I guess 😅
<discord->
Kobymaru. — I heard there are very smart people on this Discord who use GMAT but I'm afraid that's just out of my league
<discord->
Kobymaru. — Let's put it this way, how would an @egg go about finding a transfer window if he wanted to go to Ceres, for example
<discord->
Kurgut. — egg is mostly known for launching alcohol into space
<UmbralRaptop>
Something about having to keep up French stereotypes?
<discord->
egg. — I should do that now that I have an 1.6.1 install
<discord->
egg. — UmbralRaptop: do you have a suggestion of an interesting orbit for a bottle of wine
<UmbralRaptop>
egg|z|egg: TESS? LRO?
<discord->
Damien. — ACE
<discord->
Damien. — Or TESS
<UmbralRaptop>
ACE isn't *that* interesting. How about Genesis, or Deep Impact?
<discord->
egg. — or just a sun-synch orbit?
<discord->
egg. — maybe phased on one day
<discord->
Kurgut. — artemis
<discord->
RurouniDonut. — How does the bot work?
<discord->
egg. — it just repeats what it hears here on IRC, and vice-versa
<discord->
RurouniDonut. — Ahh okY
<discord->
RurouniDonut. — *Okay
* UmbralRaptop
pets the bot
<discord->
Sir Mortimer. — yeah. UmbralRaptop would feel lonely without it.
<discord->
Sir Mortimer. — waaaaarrghh
<discord->
Sir Mortimer. — i looked at the latest news. big mistake.
<discord->
Sir Mortimer. — ← hides under a rock for the next 5 months
<discord->
Standecco. — why?
<discord->
Sir Mortimer. — our head of state just got axed.
<discord->
Standecco. — F for kurz
<discord->
Sir Mortimer. — eletions! yay! again!
<discord->
Sir Mortimer. — it's not like we just had one. and one before that. and the most infamous presidential election in modern history before that.
<discord->
Sir Mortimer. — at this pace we're electing more often than the swiss
<discord->
Sir Mortimer. — and they do it once a week or so
<discord->
Standecco. — you voted for the EU elections yesterday too, right?
<discord->
Sir Mortimer. — sure
<discord->
Sir Mortimer. — and mark my words: we're going to RE-elect the SAME government in september.
<discord->
Sir Mortimer. — very austrian.
<discord->
Standecco. — Italy was disappointing in the EU elections
<discord->
Standecco. — as always
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<discord->
Standecco. — low turnout and terrible voting, but I guess that's personal
<discord->
Sir Mortimer. — yeah, it also was the reason why the whole continent had to wait until midnight before anyone was allowed/supposed to publish official results 😃
<UmbralRaptop>
axed as in executed, or…?
<discord->
Standecco. — oof
<discord->
Standecco. — it'll get left behind, probably
* UmbralRaptop
stares at how US presidential elections really are 2 years long now, and despairs
<discord->
Standecco. — we're the only important country with anti-europe politicians
<discord->
Sir Mortimer. — UmbralRaptop it's complicated. the opposition succeeded with a motion of no-confidence.
<discord->
Sir Mortimer. — @Standecco don't forget the french 😉
<discord->
Sir Mortimer. — Aah, one of my tribe 😃 @Kobymaru
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<discord->
Sir Mortimer. — @egg do you know anything about stability issues with principia on Mac systems?
<discord->
Sir Mortimer. — I've got a couple of crashes lately that I was afraid were caused by Kerbalism, but it *looks* like they *might* be caused by Principia instead
<discord->
Sir Mortimer. — happened on scene changes. crash to desktop without anything useful in the logs
<discord->
Sir Mortimer. — (in the KSP logs that is)
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<discord->
egg. — @Sir Mortimer check the Principia logs, see if there's a FATAL file
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<discord->
egg. — @Sir Mortimer always check the Principia logs when you have Principia crashes, the KSP logs are useless; see the FAQ
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<discord->
egg. — @Sir Mortimer note that we are much less forgiving of oddities than stock is; if kerbalism does something silly we *will* crash where KSP itself wouldn't notice
<discord->
egg. — (for instance, we crash given 0-mass parts)