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soldies502
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JackDole's Universe 0.990

08 Sep 2020 13:33

Is the easter egg that the 2 moons of Gy'wau have the same orbital period, but orbit on different sides from eachother?
If that's the case its a little underwhelming but an easter egg nonetheless. 
 
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JackDole
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JackDole's Universe 0.990

08 Sep 2020 22:01

It has to do with it. But it's a little more!
JackDole's Universe 0.990: http://forum.spaceengine.org/viewtopic.php?f=3&t=546
JackDole's Archive: http://forum.spaceengine.org/viewtopic.php?f=3&t=419
JackDole: Mega structures ... http://old.spaceengine.org/forum/17-3252-1 (Old forum)
 
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JediTrekkie
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JackDole's Universe 0.990

19 Sep 2020 22:28

the periods of the moons are equal to each other as well as the period of the planet they orbit. they're practically stuck in perpetual eclipses.  
 
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JackDole
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JackDole's Universe 0.990

20 Sep 2020 03:19

That's pretty much true.
The two moons orbit the planet at the same speed as the planet orbits the sun. (88,065 days.)
As a result, one planet is always between the sun and the planet, but the other is always on the side of the planet facing away from the sun. That is why he has an eternal solar eclipse. (However, the planet is not big enough to completely cover the sun.)
In addition, the moons are tidal locked to the planet. As a result, they always turn their same side to the sun.
In the case of the moon facing away from the sun, this does not play a major role, but the moon on the side facing the sun always has a dark side.
I got the idea through a science-fiction novel that claimed that a tidal locked moon always turned the same side to the sun. That is normally not possible. Only in this way.
I've only expanded it a bit by adding a moon that is always in the shadow of the planet.
JackDole's Universe 0.990: http://forum.spaceengine.org/viewtopic.php?f=3&t=546
JackDole's Archive: http://forum.spaceengine.org/viewtopic.php?f=3&t=419
JackDole: Mega structures ... http://old.spaceengine.org/forum/17-3252-1 (Old forum)
 
A-L-E-X
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JackDole's Universe 0.990

20 Sep 2020 09:03

I wonder if something like this will one day be discovered in nature?
 
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soldies502
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JackDole's Universe 0.990

03 Oct 2020 12:44

Not likely.
 
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JackDole
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JackDole's Universe 0.990

05 Oct 2020 04:45

Tiny Red Sun

I have created a system in which our sun is replaced by a red dwarf, and the distances between all planets are 30 times smaller.
(Of course, I only created the main objects. I left out the smaller moons of Jupiter and Saturn.)
1-scr01141.jpg
2-scr01148.jpg

I also had to reduce the distance between the earth and the moon, otherwise the moon would have been outside the hill sphere of the earth.
3-scr01149.jpg

Oh yes, and of course the earth looks a little different under a red sun.
4-scr01140.jpg

The asteroids could be seen from Earth without a telescope.
5-Asteroid.jpg

(The asteroids are only created randomly. They are not original asteoids from our solar system.)
Likewise Neptune.
6-Neptune.jpg

Original Mercury orbit: (Is disabled in the add-on.)
8-scr01144.jpg

The planets up to Saturn are all within the original Mercury orbit!
And of course the planets can be seen much better from Earth.
scr01145.jpg

This addon does not replace the original solar system, even if the names of the objects appear to be the same. They all have a '$tiny' after their name. This addition to the name (after the $ sign) is not displayed in SpaceEngine.
Look for 'Tiny Red Sun' if you want to find the system.
TinyRedSun.pak
(130.71 KiB) Downloaded 42 times
(Put this in the 'addons' folder.)
JackDole's Universe 0.990: http://forum.spaceengine.org/viewtopic.php?f=3&t=546
JackDole's Archive: http://forum.spaceengine.org/viewtopic.php?f=3&t=419
JackDole: Mega structures ... http://old.spaceengine.org/forum/17-3252-1 (Old forum)
 
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JackDole
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JackDole's Universe 0.990

24 Oct 2020 23:21

Comet Swift–Tuttle (109P/Swift–Tuttle)
scr01268.jpg

// -*- coding: utf-8 -*-
// Filename: 109P.sc
// JackDole (Gerhard H. Quast) 2020.10.25 06:41:16

// Put this in 'addons\catalogs\planets'.
//------------------------------------------------------------------------------

LogLevel 1

Comet "109P|Swift-Tuttle/Swift-Tuttle"
{
    ParentBody  "Sol"
    AsterType   "NEO"
    CometType   "P"     // ???
    
    Radius      13
    
    DiscDate    "1862.07.16"
    
    AbsMagn     4.5
    SlopeParam  15.0
    
    Orbit
    {
        RefPlane        "Ecliptic"
        Epoch           2450000.5
        Eccentricity    0.963225755046038
        SemiMajorAxis   26.0920694978266
        PericenterDist  0.959516155068868
        Inclination     113.453816997171
        AscendingNode   139.3811920815948
        ArgOfPericen    152.9821676305871
        MeanAnomaly     7.631696167124212
        Period          133.28
        MeanMotion      0.007395052881692476
        //aphelion distance   51.22462284058444
    }
}

//------------------------------------------------------------------------------

109P.sc
(1.06 KiB) Downloaded 28 times
(Put this file in 'addons\catalogs\planets'.)
JackDole's Universe 0.990: http://forum.spaceengine.org/viewtopic.php?f=3&t=546
JackDole's Archive: http://forum.spaceengine.org/viewtopic.php?f=3&t=419
JackDole: Mega structures ... http://old.spaceengine.org/forum/17-3252-1 (Old forum)
 
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JackDole
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JackDole's Universe 0.990

24 Oct 2020 23:53

An asteroid completely outside of Neptune's orbit
(2014 FE72)
scr01263.jpg

// -*- coding: utf-8 -*-
// Filename: 2014 FE72.sc
// JackDole (Gerhard H. Quast) 2020.10.20 19:50:29

// An asteroid completely outside of Neptune's orbit.
//------------------------------------------------------------------------------

LogLevel 1

Asteroid "2014 FE72/(2014 FE72)"
{
    ParentBody  "Sol"
    Class       "Asteroid"
    AsterType   "TNO"
    
    DiscDate    "2014.03.26"
    Radius      135
    
    AbsMagn     6.1
    AlbedoGeom  0.08
    
    Orbit
    {
        RefPlane        "Ecliptic"
        Epoch           2459000.5
        Eccentricity    0.9733307438360556
        SemiMajorAxis   1359.298878220113
        PericenterDist  36.25148998661452
        Inclination     20.68286780301783
        AscendingNode   336.9417350991309
        ArgOfPericen    133.8904670192024
        MeanAnomaly     0.3940035579977375
        Period          50116.49
        MeanMotion      1.966670648225282E-5
        //aphelion distance   2682.346266453612
    }
}

//------------------------------------------------------------------------------

2014_FE72.sc
(1.07 KiB) Downloaded 29 times
(Put this file in 'addons\catalogs\planets'.)
JackDole's Universe 0.990: http://forum.spaceengine.org/viewtopic.php?f=3&t=546
JackDole's Archive: http://forum.spaceengine.org/viewtopic.php?f=3&t=419
JackDole: Mega structures ... http://old.spaceengine.org/forum/17-3252-1 (Old forum)
 
A-L-E-X
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JackDole's Universe 0.990

25 Oct 2020 08:32

JD, in your last two posts, are those already in the program and your add-ons will replace them?
 
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JackDole
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JackDole's Universe 0.990

25 Oct 2020 10:07

A-L-E-X wrote:
Source of the post in your last two posts, are those already in the program

No.
JackDole's Universe 0.990: http://forum.spaceengine.org/viewtopic.php?f=3&t=546
JackDole's Archive: http://forum.spaceengine.org/viewtopic.php?f=3&t=419
JackDole: Mega structures ... http://old.spaceengine.org/forum/17-3252-1 (Old forum)
 
A-L-E-X
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JackDole's Universe 0.990

25 Oct 2020 12:04

Thanks!  I shall add them!  You dont happen to have them in Steam workshop do you?
 
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JackDole
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JackDole's Universe 0.990

25 Oct 2020 23:34

No.
I don't have any add-ons in Steam Workshop yet.
JackDole's Universe 0.990: http://forum.spaceengine.org/viewtopic.php?f=3&t=546
JackDole's Archive: http://forum.spaceengine.org/viewtopic.php?f=3&t=419
JackDole: Mega structures ... http://old.spaceengine.org/forum/17-3252-1 (Old forum)
 
A-L-E-X
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JackDole's Universe 0.990

26 Oct 2020 05:50

JD in the other thread we were talking in you mentioned a galaxy that was added that may have the largest supermassive black hole yet discovered- was that your add-on and if so where can I find it?  Or was it something that was automatically added to the program and I should already have it?
 
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JackDole
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JackDole's Universe 0.990

26 Oct 2020 10:07

It has already been automatically added to SpaceEngine. Search for 'Holm 15 Central Black Hole' when looking for the black hole.
JackDole's Universe 0.990: http://forum.spaceengine.org/viewtopic.php?f=3&t=546
JackDole's Archive: http://forum.spaceengine.org/viewtopic.php?f=3&t=419
JackDole: Mega structures ... http://old.spaceengine.org/forum/17-3252-1 (Old forum)
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