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The 'Verse

posted Oct 09, 2011 06:13:58 by TreChipman
Okay, I've got a mod working with over 20 different star systems; it's not perfect yet, but it's stable, and you can go from one system to another in the same game. Now I just have to fill in the details and fix the outliers. I've got some cool ideas for pick up missions, and I think one or two surprises up my sleeve ;). Ideally, this will eventually be a repository for multiple missions where your actions in Mission X have reprecussions in Mission Y.

I don't have a way to have the GM-type-guy pause the game session; at this point, it would take probably take a pretty good deal of time to get to all of the systems, but I have a mechanism in mind for saving state across games.

However, I could use some help from the Artemis Community here. I've only got 3 systems coded out, and they're pretty rudimentary as it is, so any information you folks could give me on the following systems in the Artemis universe would really help me (think small details about a given system, planet or just thing that is in the system that would fit in a warning screen-- e.g.: "Earth is the third planet in the Sol system. It is mostly harmless." or "Beta Ori is the ThroneSystem of the Skaarans, and very likely the most heavily defended sector in space. Also, the hanging gardens at the Temple of G'ar'ak are nothing short of majestic at sunset."):

Alpha Centauri
Bernard's Star
Ross 154
LHS 288
WD 1142-645
AX Microscopi
GJ 823
Epsilon Indi
LP 816-060
GJ 783
GJ 784
GJ 754
Delta Pavonis
Ross 128
Sigma Draconis
Beta Ori
Omicron Theta

Oh, also, feel free to come up with better names for the GJ systems; they're accurate, but really confusing.
[Last edited Oct 09, 2011 13:44:20]
I'm not a mad scientist. I'm an angry one. You'd be wise to fear the latter.

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42 replies
Charlie said Oct 09, 2011 07:36:03
Nice work Tre, I'll try to come up with something to throw in. I would definately concider an enemy stronghold with lots of ships, put a station a sector or two away so Artemis can rearm maybe so many enemies that it takes two ships to defeat them all, but it would be fun to try with one. Also a sector with a ton of blackholes close together making navigation difficult. A nebula like the Hamak sector would be pretty cool also, with some hidden rewards.

Artemis 1701
[Last edited Oct 09, 2011 07:40:05]
Bill said Oct 09, 2011 17:15:04
Delta Pavonis has the attention of today's astronomers because it is so similar to our sun. It is estimated that a planet orbiting it at 1.08 AU would be capable of sustaining liquid water. Perhaps this system houses an M class "garden world" either a colony of earth or a system that the TSN is trying to control.

It has been speculated that Barnard's Star has two Jupiter-like planets. In 2006 astronomers concluded that there were no planets with a mass 5 times that of Jupiter or greater within 1.8 AU. But other astronomers believe gas giants with a mass from .97 to 2.9 times Jupiter's could exist at even closer orbits, or it could be completely devoid of planets. Astronomers haven't even been able to detect a dust disk around it. The ConFed may be interested in Barnard's star for scientific reasons. The star is a red dwarf from a very early stage of the galaxy's evolution. At 12 billion years old it is certain to fascinate scientists.
Bill said Oct 09, 2011 17:53:36
Epsilon Indi is an orange-red dwarf. It is 75% the size of Sol and 20% as bright. The interesting thing about this system is that there are two brown dwarf stars (gas giants which couldn't accumulate enough mass to ignite the star) which accompany it in wide orbits. The brown dwarves disturb Epsilon Indi's oort cloud, throwing dormant comets, asteroids and dwarf planets (like pluto) into the system's inner regions. The star's inner orbits are full of asteroids and the three rocky planets, all orbiting at less than 1 AU, are often bombarded with meteor strikes and comets. This violent history has made them rich in minerals and comet strikes have given them each a thin atomosphere. Life on these worlds is possible, but dangerous with sealed underground habitation units and breathing apparatus for going outdoors. Epsilon Indi is an important system for the TSN as several commercial mining groups from the ConFed States have made investments in startup operations.
Bill said Oct 09, 2011 18:20:00
Vega is just over 20 ly from Sol. Perhaps far enough to be in enemy held space. Vega has 300% of Sol's mass and spins 60 times faster. It also puts out a great deal more radiation, enough to interfere with sensors. TSN intelligence continues to be suspicious of enemy activity in Vega.
Bill said Oct 09, 2011 18:38:12
Sigma Draconis is 18.8 ly away. From earth it is seen in the constellation draco. Its 80% the mass of Sol, 40% as bright and very similar in age. Today astronomers want to search the system for planets similar to earth. Perhaps this system houses an enemy colony.
Bill said Oct 09, 2011 19:09:59
Ross 154 is 9.7 ly from Sol. It is about 20% the mass and diameter of Sol and emits .0005 the visible light of Sol and 40% of Sol's emissions on all other wavelengths. In order to sustain liquid water a planet would have to be between .065 and .125 AU. Such proximity would be quite cinematic but inconvenient for the fact that Ross 154 is a flare star, with periodic emissions equal in force to solar flares from our own star. Also, at this proximity a planet could become tidally locked, with one side always facing the star. Suffice it to say that this system would not be of interest for colonization, but there may be some strategic military value to its position near the home system.
TreChipman said Oct 09, 2011 19:31:22
Excellent! Thank you!
I'm not a mad scientist. I'm an angry one. You'd be wise to fear the latter.

Visit Artemis Command!
Bill said Oct 09, 2011 20:42:52
WD 1142-645 is 15 ly from Sol (perhaps this is in contested space). It is a white dwarf star, a star which has thrown off its outer layers forming a nebula around its white core. In the case of this star the remaining core is still 75% the size of Sol. Its former size was likely more than four times that of our sun. Its massive size resulted in an enormous nebula. Its also the fourth closest white dwarf star to Earth which makes its gases a vital strategic interest. As to its cumbersome name, its in the Centaurus constellation when viewed from Earth and it is also part of the Wolf 219 group...something to go on anyway.
Bill said Oct 09, 2011 21:04:15
LP 816-060 is 17.85 ly away from earth toward the galactic center. Its another M5 red dwarf, very similar to Ross 154. Not attractive for colonization, but perhaps the location of a forward listening post.
Bill said Oct 10, 2011 00:03:39
GJ 783 is 19.74 ly from earth towards the galactic center (bearing between 0 and 5 deg). It is a binary star system made up of a class G star, like our own, estimated mass is 83% that of Sol and a class M red dwarf (this system is cool!). GJ 783 seems like a system which could support life. The two stars are separated by a distance of 42 AU.

GJ 784 is a class Y cold dwarf star, 20.24 ly away. Its temperature is only 500K-600K, twice average room temperature.

GJ 754 is another M4 red dwarf, 19.3 ly away.
Bill said Oct 10, 2011 00:32:51
AX Microscopi, also known as Lacaille 8760, is one of the largest and brightest red dwarf stars known. It is 51% as big as Sol and 60% as massive. It puts out only 8% of the energy of Sol and it only flares once a day or so which is uncommon for a red dwarf. There are several rocky planets in orbit around Lacaille 8760, some within its habitable zone, between .2 and .5 AU. It is only 12.9 ly away from earth and so planetary scientists from the ConFed have established permanent scientific bases in the Lacaille system to study solutions to the problems associated with colonizing red dwarf systems.
Mike_Substelny said Oct 10, 2011 01:48:25
This is wonderful information, wbcundiff and Tre. Nice work. Could someone post a picture or HTML grid showing the physical relationships between these sectors and their relative distances from Earth?

I believe that an upcoming release of Artemis will allow mission script writers to create stars and planets. But be careful what you wish for, it may make you bang your head against the bulkhead.

The time/space/size scale used in Artemis doesn't jibe with such high levels of realism. Assuming warp one is the speed of light our own solar system is dozens of sectors across. But assuming the Artemis itself is about 350 meters long then our solar system is billions of sectors across. But if the event horizon of the Artemis black hole equals the theoretical "typical" Schwarzschild radius of 30 kilometers then a sector is about the size of Ohio, warp 1 is about Mach 3, and our solar system is trillions of sectors across!

So my suggestion is to take the realism with a grain of sodium chloride and develop the sectors the way Star Trek or Star Wars would do it: maximize storytelling and adventure potential --- everything else should just sound cool.
"Damn the torpedoes! Four bells, Captain Drayton!"

(Likely actual words of Admiral David Farragut, USN, at the battle of Mobile Bay. Four bells was the signal for the engine room to make full steam ahead).
Bill said Oct 10, 2011 12:49:04

Thanks Mike I had a lot of fun putting that together yesterday. but I won't care if you don't use it all Tre.

I think I just uploaded an image of stars within 50 ly of earth. I have another showing a 20 ly radius. In the least it could provide a cool format.

I agree some of that stuff has too much yawn potential but I think Epsilon Indi, GJ 783, Delta Pavonis, Vega and WD 1142-645 have some cool factor it probably just comes down to the writing.
Mike_Substelny said Oct 11, 2011 19:42:47
It is cool. Feels authentic.
"Damn the torpedoes! Four bells, Captain Drayton!"

(Likely actual words of Admiral David Farragut, USN, at the battle of Mobile Bay. Four bells was the signal for the engine room to make full steam ahead).
TreChipman said Oct 12, 2011 00:34:43
I'm using Astrosynthesis 2.0 with a 20 LY local map,linked every system within 10 LY from one to another, and converted to 2D (there's still a 3D component involved in calculating distances between systems, though). It's not pretty, but it lets me see what links where, effectively:

[Last edited Oct 12, 2011 03:35:28]
I'm not a mad scientist. I'm an angry one. You'd be wise to fear the latter.

Visit Artemis Command!
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