Are planet positions like they are right now or how they will be in the future?
- Thread starter kolpo
- Start date
How much difference is 1300 years expected to drive? That's the blink in the cosmic eye.
Earth goes round Sol every year, so it will achieve all "possible differences" 1300 times ?! %)
Even Pluto will have gone around Sol ~5 times completely in that time?
I think it is in interesting question, from realism standpoint it should be like it is in Elite time, on the other hand it would be much more cool if positions in Sol would reflect now so that we have a pseudo-planetarium!
yes and pluto and neptune shall swap positions a few times, sometimes is Neptune closer to the sun and at other times pluto.
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Disclaimer: I am going of from my memory and i don't have any proof or links to support what i am going to say"
If I remember right Sol at least has been simulated so planets would be in places 3303. If you look at the Earth in Sol you and compare the coastal lines to pictures from space and pictures of predictions what happens when seas levels rise the elite Earth look like sea level has risen and coastal lines aren't same as today.
As Sol is only system that we have somewhat accurate information today i would say other systems have been simulated, although once you have the simulation, then to simulate movement during 1300 years is fairly easy task to do. The question then is have they simulated the rotation of the Galaxy.
If I remember right Sol at least has been simulated so planets would be in places 3303. If you look at the Earth in Sol you and compare the coastal lines to pictures from space and pictures of predictions what happens when seas levels rise the elite Earth look like sea level has risen and coastal lines aren't same as today.
As Sol is only system that we have somewhat accurate information today i would say other systems have been simulated, although once you have the simulation, then to simulate movement during 1300 years is fairly easy task to do. The question then is have they simulated the rotation of the Galaxy.
Come on it would ruin peoples immersion if it did.
Knowing Frontier, I assume the positions are calculated towards the 3300 calendar. When I think of it, I'll look for a way to make a comparison.
It takes hundreds of millions of years for our sun to complete one single orbital cycle around the galactic centre. And the sun is actually moving rather fast, the galaxy is just gigantic enough to make that speed seem really tiny in comparison. Anyway, in 1300 years the galaxy barely moves on a visible scale. Of course it still would be neat if Frontier did simulate galactic rotation, I'm just pointing out we wouldn't see the difference, anyway.
GUYS!!! Come on, read the question?
Obviously, we only have accurate planetary knowledge about our own system, and very inaccurate knowledge of some nearby systems.. this is not about the galaxy, not about Sol moving through the galaxy, not about obrital inclinations / distances changing very slightly over thousands of years, this is just about the planetary positions in our own system.
In other words, e.g. the next total eclipse is sometime in August 2017 .. if I could land on Earth in Elite
angerous and I would be there at that point in time, would I then see this eclipse because the planetary positions equal our current time, or not, because the planetary positions equals Elite time?Yay, not all hopes lost, someone who reads
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This really depends on certain things. Planet positions will be based on an Epoch. A space sim i use called Orbiter uses "Epoch 2001", basically it measures the positions and orbital data for all the bodies at a specific date in that year. All extrapolations for the future are then based on THIS information, so if i jump forward 1000 years, i should get a fairly inaccurate version of what is actually going to take place. The way all the gravitational bodies influence each other, along with chaos principles, virtually guarantees this info s accuracy will be low. That being said, I am not sure as to what extent these bodies are scripted/simulated etc.. They could have used a very accurate computation to get good info from a future epoch, but i SERIOUSLY doubt that is the case.
There is a alpha video somewhere in which the stellar forge is discussed. In terms of Sol... no idea, but would be really interesting if it was as close as they could hand code. The position of Voyager is apparently correct?
Orbits and inclinations of other systems i always feel that something is missing, since when you look at gas giants, everything orbits (usually) exactly on the same plain as the rings (if there are rings)
In reality this isn't even true for our own solar system, soooo maybe inclination isn't fully correct?
In terms of other systems though, the orbits are correct for what is represented in the configuration. it is not totally random, and in a way everything present in a system defines everything else.
Orbits and inclinations of other systems i always feel that something is missing, since when you look at gas giants, everything orbits (usually) exactly on the same plain as the rings (if there are rings)
In reality this isn't even true for our own solar system, soooo maybe inclination isn't fully correct?
In terms of other systems though, the orbits are correct for what is represented in the configuration. it is not totally random, and in a way everything present in a system defines everything else.
Try getting Celestia and finding out for yourself.
I've used it to see which moons of Jupiter I was looking at through a telescope before, for example.
I don't have access to the SOL system in the game myself, so I haven't checked.
I used to sit in celestia, line up some tunes, and just cruise through the stars at a reasonable warp speed. Really wish this game had that feature instead of the jump drive.
The post I replied to was about the galaxy. It's immediately above mine.
The planets are where they "should be in 3303", not where they are now. The positions of the planets, relative to each other, are extrapolated from their present positions, forwards in time by 1286 years. One also has to take into account that, sometime between 2017 and 3303, they decided to change the leap year cycle; according to the Gregorian calendar, 3302 isn't supposed to be a leap year, but in ED, it was. So the positions of the planets might be out by a day.
The model assumes two-body Newtonian motion, so does not take into account relativistic effects such as the precession of the orbit of Mercury, or the chaotic dynamism of a real-universe multiple-body system which can introduce small changes to the orbits of any body, given enough time.
For example, using the same modelling to extrapolate backwards from the current positions of the moon and planets works pretty well in terms of predicting when past eclipses actually happened, for the past two thousand years or so at least. but errors start to creep in if they try to push the model too far back. We have accurate records of eclipses going quite far back in the Sumerian and Egyptian histories, beyond 2000 BC, but the extrapolated models can't predict eclipses going that far back - the moon's orbit, Earth's rotation period, etc have all changed, only slightly but slightly enough to throw out the eclipse predictor. On that basis, a 1286 year gap is probably not going to be enough to demonstrate a reasonable difference between the prediction model used by ED and the locations those planets will actually have in 3303.
I do notice that the NASA eclipse predictor website doesn't make any predictions for eclipses beyond 3000 AD. So I can't tell you when the next eclipse in-game is supposed to happen.
The model assumes two-body Newtonian motion, so does not take into account relativistic effects such as the precession of the orbit of Mercury, or the chaotic dynamism of a real-universe multiple-body system which can introduce small changes to the orbits of any body, given enough time.
For example, using the same modelling to extrapolate backwards from the current positions of the moon and planets works pretty well in terms of predicting when past eclipses actually happened, for the past two thousand years or so at least. but errors start to creep in if they try to push the model too far back. We have accurate records of eclipses going quite far back in the Sumerian and Egyptian histories, beyond 2000 BC, but the extrapolated models can't predict eclipses going that far back - the moon's orbit, Earth's rotation period, etc have all changed, only slightly but slightly enough to throw out the eclipse predictor. On that basis, a 1286 year gap is probably not going to be enough to demonstrate a reasonable difference between the prediction model used by ED and the locations those planets will actually have in 3303.
I do notice that the NASA eclipse predictor website doesn't make any predictions for eclipses beyond 3000 AD. So I can't tell you when the next eclipse in-game is supposed to happen.
Thanks for your answer, this game really tries to be scientific accurate like no other space game
I was in the Sol system this morning and flew above Earth, I noticed that the daylight segment did not correspond with what I saw out of my house window.
I positioned myself approx above the Equator/Prime Meridian intersection at 06:00 game time which is the same as 06:00 UTC. It was daylight, it should have been dark.
Am I missing something, or have the Thargoids messed with Earth's rotation?
I positioned myself approx above the Equator/Prime Meridian intersection at 06:00 game time which is the same as 06:00 UTC. It was daylight, it should have been dark.
Am I missing something, or have the Thargoids messed with Earth's rotation?