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Mosfet
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

17 May 2017 03:04

I see, Asteroids-Rem.sc was for those using SE v.0974, better if I remove it, it's only confusing at this point.
In your case you may delete your Asteroids-Rem.sc.
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Permian Therapsid
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

17 May 2017 10:06

Mosfet wrote:
I see, Asteroids-Rem.sc was for those using SE v.0974, better if I remove it, it's only confusing at this point.
In your case you may delete your Asteroids-Rem.sc.

Ok, thanks. But what about  objects like 2003 QW1112007 TY430?  Thay are now named so there would be duplicates without Rem.sc, or would there be?

I did also discover that the moon of (2006) Polonskaya is named in SE as S/2005 (2004) 1! I would suggest you to fix it when you have time.
 
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

18 May 2017 12:21

Just found out the largest TNO thought to be moonless, 2007 OR10, indeed has one, and it isn't in SE, so here's a quick script. (It does count as a binary, right? Idk, but I guess it's close enough.)

Sol_Moons.sc
(137 Bytes) Downloaded 27 times
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Permian Therapsid
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

18 May 2017 17:20

XBrain130 wrote:
Just found out the largest TNO thought to be moonless, 2007 OR10, indeed has one, and it isn't in SE, so here's a quick script. (It does count as a binary, right? Idk, but I guess it's close enough.)

Sol_Moons.sc


I did already post about the moon 2007 OR10 and Sisyphus but I do not think Mosfet has published it yet. It was based on data from http://www.johnstonsarchive.net/astro/a ... moons.html
 
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Mosfet
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

19 May 2017 03:11

Permian Therapsid wrote:
Source of the post  what about  objects like 2003 QW111, 2007 TY430?  Thay are now named so there would be duplicates without Rem.sc, or would there be?

No, there should be no duplicates. If you look at Asteroids-bin.sc for 2003qw111 there's a "remove" command right above the barycenter Manwe-Thorondor:
Remove "2003 QW111" {ParentBody "Sol"}
Barycenter "Manwe-Thorondor"
[...]

This tells SpaceEngine to ignore the existing object 2003 QW111 loaded from previous scripts.

(2006) Polonskaya companion will be fixed in next upload, thanks.

XBrain130 wrote:
Source of the post (It does count as a binary, right? Idk, but I guess it's close enough.)

It does indeed :) I'll add them soon.
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Permian Therapsid
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

20 May 2017 04:39

Mosfet wrote:
Source of the post
No, there should be no duplicates. If you look at Asteroids-bin.sc for 2003qw111 there's a "remove" command right above the barycenter Manwe-Thorondor:


Thanks, I did found this to be true for 2007 TY430 (Mors) aswell, so there should be no problem. Just one thing I wasnt to ask you. I did realize the SpaceEngine "SolarSys.sc" 0.981 had discovery dates and method displayed for Uranus, Neptune, many moons and Pluto + Charon.

I did realize that if this info is displayed on these objects sure should it be the others as well and I did add discovery info on the rest of Dwarf planets + Dysnomia and Vesta, Pallas and Hygiea. I did also fix problems and typos in these files.

After this I did go through all the named Solar asteroids included in SE and added the same information on them. I did not touch "Asteroids-bin.sc" however would you mind if I would add this information on your file for named bin asteroids + their named moons or you could do this yourself after its next update is finished?

You can go and see my files in 0.981 beta test thread if you wish Mosfet. Since if I remember right you have access to it.

Example from SolarSys.sc:

Moon "Ganymede/Jupiter III"
{
ParentBody     "Jupiter"
Class          "IceWorld"

DiscMethod     "Imaging"
DiscDate       "1610.01.08"

Mass            0.0248
Radius          2631.2

Planet "Uranus"
{
ParentBody     "Sol"
Class          "IceGiant"

DiscMethod     "Imaging"
DiscDate       "1781.03.13"

Mass            14.536
Radius          25559
Oblateness      0.02293


Example of my additions in SolarSys.sc:

Asteroid "Pallas/(2) Pallas"
{
ParentBody     "Sol"

DiscMethod     "Imaging"
DiscDate       "1802.03.28"


Mass            0.0000345
Radius          263


Examples I added to Asteroids.sc, Asteroids-small.sc, KuiperBelt.sc, KuiperBelt-small.sc and Comets.sc:

Asteroid "Astraea/(5) Astraea"
{
ParentBody "Sol"

DiscMethod     "Imaging"
DiscDate       "1845.12.08"


AbsMagn     6.85
SlopeParam  0.15

Asteroid "Europa/(52) Europa"
{
ParentBody "Sol"

DiscMethod     "Imaging"
DiscDate       "1858.02.04"


AbsMagn     6.31
SlopeParam  0.18

Asteroid "Pholus/(5145) Pholus"
{
ParentBody "Sol"
AsterType  "Centaur"

DiscMethod     "Imaging"
DiscDate       "1992.01.09"


AbsMagn     7.1
SlopeParam  0.15

Asteroid "Varuna/(20000) Varuna"
{
ParentBody "Sol"
AsterType  "Cubewano"

DiscMethod     "Imaging"
DiscDate       "2000.11.28"

Radius      450
 
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Mosfet
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

20 May 2017 04:57

Permian Therapsid wrote:
Source of the post would you mind if I would add this information on your file for named bin asteroids + their named moons

That's cool! When you'll post your modified Asteroids-bin.sc here, then I'll update it in OP.
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Permian Therapsid
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

20 May 2017 05:11

Mosfet wrote:
Permian Therapsid wrote:
Source of the post would you mind if I would add this information on your file for named bin asteroids + their named moons

That's cool! When you'll post your modified Asteroids-bin.sc here, then I'll update it in OP.

Thanks, I will do this, but it will take some time. I have also been adding new TNO:s to KuiperBelt-small file to make it more complete. 

(Edit. It will still take some time to finish all discovery date additions for binary asteroids/TNO:s but I have been doing it for quite while already.)
 
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Permian Therapsid
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

21 May 2017 08:41

I have finished adding the discovery times of binary asteroids/TNO:s and their moons. I did add the dates for named objects and those objects that were known as "beta", "gamma", "A", "B" or something similar. I did also fix the typo on moon of Polonskaya, named Hektor's moon and added the "|" symbols as they will be needed in next SE version.

However I did have problem with (47171) 1999 TC36. I think there might be an error there because the catalog says largest object in this triple system is "1999 TC36 A2". Shouldnt the largest compont be A1 instead of A2? I was not entirely sure which object was which, so could you add their discovery dates plese?

Also were you going to add the moons of 2007 OR10 and Sisyphus as the data was already presented on this thread. Could you also add the second ever discovered TNO binary 1998 WW31 and S/2000 (1998 WW31) 1? The primary is already present in SE but its moon is missing.  

Sisyphus moon:
► Show Spoiler


Links:
http://www.johnstonsarchive.net/astro/a ... 47171.html
http://www.johnstonsarchive.net/astro/a ... 8ww31.html
Attachments
Asteroids-bin.sc
discovery times
(123.01 KiB) Downloaded 13 times
 
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Mosfet
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

02 Jun 2017 18:25

Asteroids-bin.sc updated in OP.
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

16 Jun 2017 01:16

Hello! Do you consider adding the moon of TNO 1998 WW31 soon or have you already added it? As it is a true binary system with two nerly same sized bodies (148 km and 123 km, diameter ratio 0.833) orbiting around one another I do not know how can I calculate the orbit of the primary around the mass center / barycenter to write the information on this object to the files as I did with Sisyphus.
 
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

16 Jun 2017 02:52

It's been added in the last update :) . Whenever I update Asteroid-bin.sc I also update the list of asteroids contained in first post. Since 1998 WW31 doesn't appear to have a designation number yet, it's listed in "Others" category in that post.
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Permian Therapsid
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

16 Jun 2017 03:43

Mosfet wrote:
It's been added in the last update :) . Whenever I update Asteroid-bin.sc I also update the list of asteroids contained in first post. Since 1998 WW31 doesn't appear to have a designation number yet, it's listed in "Others" category in that post.

Thanks, I will go and see the update.
 
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

29 Jul 2017 11:49

Hi Mosfet! I don't know if you remember but I helped you with asteroids on the old forum.
Here are some asteroids. The first three are main belt, the fourth is a moon of comet Siding Spring.
Should comet moons be classified as comets or asteroids?
Asteroid "(69406) 1995 SX48"
{
    ParentBody  "Sun"
    Class       "Asteroid"
    Radius        1.56
    RotationPeriod  4.486

    Orbit
    {
        SemiMajorAxis    1.8439
        Period            2.5039
        Eccentricity    0.02239
        Inclination        21.995
        AscendingNode    299.35
        ArgOfPericenter    309.11
        MeanAnomaly        284.54
        RefPlane        "Ecliptic"
    }
}

Asteroid "S2013 (69406) 1"
{
    ParentBody  "(69406) 1995 SX48"
    Class       "Asteroid"
    Radius      0.295

    Orbit
    {
        SemiMajorAxis    3.54e-8
        Period            0.001838
    }
}

Asteroid "(76818) 2000 RG79"
{
    ParentBody  "Sun"
    Class       "Asteroid"
    Radius        1.8
    RotationPeriod  3.166

    Orbit
    {
        SemiMajorAxis    1.9299
        Period            2.6811
        Eccentricity    0.09576
        Inclination        18.135
        AscendingNode    292.36
        ArgOfPericenter    129.64
        MeanAnomaly        18.617
        RefPlane        "Ecliptic"
    }
}

Asteroid "S2005 (76818) 1"
{
    ParentBody  "(76818) 2000 RG79"
    Class       "Asteroid"
    Radius      0.665

    Orbit
    {
        SemiMajorAxis    3.74e-8
        Period            0.001611
    }
}

Asteroid "(79472) Chiorny"
{
    ParentBody  "Sun"
    Class       "Asteroid"
    Radius        1.895
    RotationPeriod  3.166

    Orbit
    {
        SemiMajorAxis    1.9621
        Period            2.7485
        Eccentricity    0.08009
        Inclination        24.343
        AscendingNode    93.360
        ArgOfPericenter    331.59
        MeanAnomaly        29.891
        RefPlane        "Ecliptic"
    }
}

Asteroid "S2012 (79472) 1"
{
    ParentBody  "(79472) Chiorny"
    Class       "Asteroid"
    Radius      0.6065

    Orbit
    {
        SemiMajorAxis    6.016e-8
        Period            0.00296
    }
}

Asteroid "S2015 (2343) 1"
{
    ParentBody  "Siding Spring"
    Class       "Asteroid"
    Radius      0.485

    Orbit
    {
        SemiMajorAxis    4.679e-8
        Period            0.001345
    }
}
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Permian Therapsid
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COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE

29 Jul 2017 14:07

Silicon wrote:
Hi Mosfet! I don't know if you remember but I helped you with asteroids on the old forum.
Here are some asteroids. The first three are main belt, the fourth is a moon of comet Siding Spring.
Should comet moons be classified as comets or asteroids?
Asteroid "(69406) 1995 SX48"
{
    ParentBody  "Sun"
    Class       "Asteroid"
    Radius        1.56
    RotationPeriod  4.486

    Orbit
    {
        SemiMajorAxis    1.8439
        Period            2.5039
        Eccentricity    0.02239
        Inclination        21.995
        AscendingNode    299.35
        ArgOfPericenter    309.11
        MeanAnomaly        284.54
        RefPlane        "Ecliptic"
    }
}

Asteroid "S2013 (69406) 1"
{
    ParentBody  "(69406) 1995 SX48"
    Class       "Asteroid"
    Radius      0.295

    Orbit
    {
        SemiMajorAxis    3.54e-8
        Period            0.001838
    }
}

Asteroid "(76818) 2000 RG79"
{
    ParentBody  "Sun"
    Class       "Asteroid"
    Radius        1.8
    RotationPeriod  3.166

    Orbit
    {
        SemiMajorAxis    1.9299
        Period            2.6811
        Eccentricity    0.09576
        Inclination        18.135
        AscendingNode    292.36
        ArgOfPericenter    129.64
        MeanAnomaly        18.617
        RefPlane        "Ecliptic"
    }
}

Asteroid "S2005 (76818) 1"
{
    ParentBody  "(76818) 2000 RG79"
    Class       "Asteroid"
    Radius      0.665

    Orbit
    {
        SemiMajorAxis    3.74e-8
        Period            0.001611
    }
}

Asteroid "(79472) Chiorny"
{
    ParentBody  "Sun"
    Class       "Asteroid"
    Radius        1.895
    RotationPeriod  3.166

    Orbit
    {
        SemiMajorAxis    1.9621
        Period            2.7485
        Eccentricity    0.08009
        Inclination        24.343
        AscendingNode    93.360
        ArgOfPericenter    331.59
        MeanAnomaly        29.891
        RefPlane        "Ecliptic"
    }
}

Asteroid "S2012 (79472) 1"
{
    ParentBody  "(79472) Chiorny"
    Class       "Asteroid"
    Radius      0.6065

    Orbit
    {
        SemiMajorAxis    6.016e-8
        Period            0.00296
    }
}

Asteroid "S2015 (2343) 1"
{
    ParentBody  "Siding Spring"
    Class       "Asteroid"
    Radius      0.485

    Orbit
    {
        SemiMajorAxis    4.679e-8
        Period            0.001345
    }
}



Hello! I am not Mosfet, but I can tell you right away from the objects designation that this Siding Spring included in the list you posted is not any of the comets called "Siding Spring". Designation similar to (2343) is a minor planet, and not a comet designation. A comet designation would be either C/ or 2343P/. However there is not yet any periodic comet with such a high number as over 2000.

Satellites page by Wm. Robert Johnston featuring minor planet Siding Spring:
http://www.johnstonsarchive.net/astro/a ... 02343.html

Minor planet (2343) Siding Spring - Minor Planet Center:
http://www.minorplanetcenter.net/db_sea ... ct_id=2343

All objects named "Siding Spring" - JPL Small-Body Database Browser:
https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=Siding%20Spring

Minor planet (2343) Siding Spring - JPL Small-Body Database Browser:
https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2343
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