COMMUNITY ADDON - Double/Multiple Asteroids fixes for SE
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Mosfet | Date: Tuesday, 26.04.2016, 23:53 | Message # 1 |
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| Following a suggestion by SpaceEngineer here, use this thread to post all scripts regarding double or multiple asteroids, using reference data for example from Wikipedia https://en.wikipedia.org/wiki/Minor-planet_moon, Johnstons Archives http://www.johnstonsarchive.net/astro/asteroidmoons.html or the IAU Minor Center database and others.
Note: Since data sources use values of Epoch that are very distant in time for many asteroids, their calculated position in sky relative to recent calculated ephemerids may vary from slightly off to completely wrong. This is expected for the algorithm used by SE at the moment, and not really important for a casual trip through the Solar System. By using a recent calculated Mean Anomaly (I took as reference JPL Small Body Database) we solve this small inconvenience.
Asteroids covered so far:
Others - No catalog number
2002 VT130 2002 XH91 2003 QR91 2004 PB108
Asteroids-bin.sc Updated catalog for SE 0980/0974 RC2+ of binary/multiple asteroids is available here as attachment, containing all asteroids listed above, to be placed in SE data/catalogs/planets folder.
In Catalogs0974.pak, some of those objects are listed as single asteroids, or by other designations. The script Asteroids-Rem.sc, placed in data/catalogs/planets, will remove the duplicates.
"Time is illusion. Lunchtime doubly so." Douglas N. Adams My mods Asus x555ub: cpu i5-6200u - ram 4gb - gpu nvidia geforce 940m 2gb vram
Edited by Mosfet - Wednesday, 05.10.2016, 00:53 |
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Mosfet | Date: Wednesday, 27.04.2016, 00:09 | Message # 2 |
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| (1862) Apollo, the original one who gave the name to an entire family of Near Earth Objects, a special watch list of somewhat dangerous rocks. Found as double asteroid since an Arecibo survey in 2005. Apparently not in SE catalog yet. The script to be placed in data/catalog/planets it should be:
Code Barycenter "Apollo/(1862) Apollo" // Source: IAU Minor Planet Center; Wikipedia; http://www.johnstonsarchive.net/astro/astmoons/am-01862.html { ParentBody "Sol" Orbit { Epoch 2457400 Period 1.78 MeanMotion 0.55288190 SemiMajorAxis 1.4702055 Eccentricity 0.5599037 Inclination 6.35478 AscendingNode 35.63970 ArgOfPericenter 285.97279 PericenterDist 0.6470364 MeanAnomaly 283.82138 RefPlane "Ecliptic" } } Asteroid "1862 Apollo" { ParentBody "Apollo/(1862) Apollo" Class "Asteroid" AsterType "Apollo" Radius 0.75 Mass 5.6074e-13 AbsMagn 16.25 RotationPeriod 3.65 Albedo 0.25 Oblateness 0.16 SlopeParam 0.09 Teff 214 Orbit { Epoch 2457400 SemiMajorAxis 0 Period 0.00312121664 MeanAnomaly 0 ArgOfPericenter 0 RefPlane "Ecliptic" }
} Asteroid "S 2005 (1862) 1" { ParentBody "Apollo/(1862) Apollo" Class "Asteroid" AsterType "Apollo" Radius 0.04 DiscDate "2005.10.29"
Orbit { Epoch 2457400 SemiMajorAxis 2.50672e-8 Period 0.00312121664 MeanAnomaly 0 ArgOfPericenter 180.0 RefPlane "Ecliptic" }
}
I don't guarantee error free scripts, please check the sources you too :)
Also, I'm not sure for the designation, I'd like to have a confirmation from someone more experienced.
"Time is illusion. Lunchtime doubly so." Douglas N. Adams My mods Asus x555ub: cpu i5-6200u - ram 4gb - gpu nvidia geforce 940m 2gb vram
Edited by Mosfet - Wednesday, 27.04.2016, 16:30 |
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JackDole | Date: Wednesday, 27.04.2016, 00:48 | Message # 3 |
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| Okay, here is then '1999 TC 36' again. As I have seen, it has already been published on the other asteroids thread by 'pzampella'.
Here is my version with two 'Barycenter'.
Code // -*- coding: utf-8 -*- // asteroid (47171) 1999 TC36
Remove "1999 TC36" { ParentBody "Sol" }
Barycenter "1999TC36-S2001" { ParentBody "Sol" Orbit { Epoch 2456401 MeanMotion 0.0039531 SemiMajorAxis 39.6136 Eccentricity 0.22865 Inclination 8.40993 AscendingNode 97.1911 ArgOfPericenter 295.304 MeanAnomaly 356.808 RefPlane "Ecliptic" } }
Barycenter "1999 TC36/(47171) 1999 TC36" { ParentBody "1999TC36-S2001" Orbit { Epoch 2456401 SemiMajorAxis 2.97980416149681646127e-6 Period 0.1378137 Eccentricity 0 Inclination 0 AscendingNode 0 MeanAnomaly 0 ArgOfPericenter 0 RefPlane "Ecliptic" } }
Asteroid "1999 TC36.1/(47171) 1999 TC36.1" { ParentBody "1999 TC36" Class "Asteroid" AsterType "Plutino" Radius 272 Mass 4.2329e-05 AbsMagn 4.9 Orbit { Epoch 2456401 SemiMajorAxis 2.6738348489074e-006 Period 0.0052247 MeanAnomaly 0 ArgOfPericenter 0.0 RefPlane "Ecliptic" } }
Asteroid "1999 TC36.2/(47171) 1999 TC36.2" { ParentBody "1999 TC36" Class "Asteroid" AsterType "Plutino" Radius 251 Mass 3.3262e-05 AbsMagn 4.9 Orbit { Epoch 2456401 SemiMajorAxis 3.1217021860994e-006 Period 0.0052247 MeanAnomaly 0 ArgOfPericenter 180.0 RefPlane "Ecliptic" } }
Asteroid "S-2001 (47171)" { ParentBody "1999TC36-S2001" Class "Asteroid" AsterType "Plutino" Radius 132 Mass 4.8378e-06 AbsMagn 4.9 Orbit { Epoch 2456401 SemiMajorAxis 4.65596710016341835387e-5 Period 0.1378137 Eccentricity 0 Inclination 0 AscendingNode 0 MeanAnomaly 0 ArgOfPericenter 180 RefPlane "Ecliptic" } }
Don't forget to look here.
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Mosfet | Date: Wednesday, 27.04.2016, 13:58 | Message # 4 |
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| (90) Antiope, as reported by LookAtDatDakka, data from Johnstons Archive:
Code //// 90 Antiope /////
Barycenter "Antiope/(90) Antiope" { ParentBody "Sol" Orbit { Epoch 2456800.5 Period 5.602751 SemiMajorAxis 3.154487052 Eccentricity 0.163458400 Inclination 2.20720 AscendingNode 70.04471 ArgOfPericenter 244.40561 PericenterDist 2.63885965 MeanAnomaly 188.255621 RefPlane "Ecliptic"
} } Asteroid "Antiope A/(90) Antiope A" { Class "Asteroid" AsterType "Themis" ParentBody "Antiope/(90) Antiope" AbsMagn 8.27 Albedo 0.062 RotationPeriod 16.5 Radius 43.9 SlopeParam 0.15
Orbit { SemiMajorAxis 1.14306e-6 Period 0.00188286025 Eccentricity 0.003 Inclination 63.7 ArgOfPericenter 0 MeanAnomaly 0 RefPlane "Ecliptic" } }
Asteroid "Antiope B/(90) S 2000" { ParentBody "Antiope/(90) Antiope" Class "Asteroid" AsterType "Themis" Radius 41.9 RotationPeriod 16.5 AbsMagn 9.02 Albedo 0.062 SlopeParam 0.15
Orbit { SemiMajorAxis 1.14306e-6 Period 0.00188286025 Eccentricity 0.003 Inclination 63.7 ArgOfPericenter 180 MeanAnomaly 0 RefPlane "Ecliptic"
} }
"Time is illusion. Lunchtime doubly so." Douglas N. Adams My mods Asus x555ub: cpu i5-6200u - ram 4gb - gpu nvidia geforce 940m 2gb vram
Edited by Mosfet - Wednesday, 27.04.2016, 14:00 |
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Mosfet | Date: Wednesday, 27.04.2016, 20:54 | Message # 5 |
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| (45) Eugenia, triple asteroid.
Code ///// 45 Eugenia ///// JA
Barycenter "Eugenia/(45) Eugenia" { ParentBody "Sol" Orbit { Epoch 2456800.5 Period 4.486870662 SemiMajorAxis 2.720342369 Eccentricity 0.083185113 Inclination 6.6033570 AscendingNode 147.681770 ArgOfPericenter 88.689234 PericenterDist 2.49405038 MeanAnomaly 2.460259 RefPlane "Ecliptic" } } Asteroid "45 Eugenia" { ParentBody "Eugenia/(45) Eugenia" Class "Asteroid" Radius 103.07 Mass 9.42385591e-7 AbsMagn 7.46 RotationPeriod 5.699160 Albedo 0.046 SlopeParam 0.07
Orbit { Epoch 2456800.5 Period 4.486870662 ArgOfPericenter 88.689234 RefPlane "Ecliptic" }
} Asteroid "Petit-Prince/(45) Eugenia I Petit-Prince" { ParentBody "Eugenia/(45) Eugenia" Class "Asteroid" Radius 3.5 DiscDate "1998"
Orbit { Epoch 2452980 SemiMajorAxis 7.783667e-6 Period 0.01291198041 Eccentricity 0.002 Inclination 8 MeanAnomaly 5 ArgOfPericenter 138.0 AscendingNode 201.93 RefPlane "Ecliptic" } }
Asteroid "S 2004 (45) 1" { ParentBody "Eugenia/(45) Eugenia" Class "Asteroid" Radius 2.5 DiscDate "2004"
Orbit { Epoch 2452980 SemiMajorAxis 4.081542e-6 Period 0.004909071 Eccentricity 0.11 MeanAnomaly -187 ArgOfPericenter 95.0 AscendingNode 206.67 RefPlane "Ecliptic" } }
"Time is illusion. Lunchtime doubly so." Douglas N. Adams My mods Asus x555ub: cpu i5-6200u - ram 4gb - gpu nvidia geforce 940m 2gb vram
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Mosfet | Date: Wednesday, 27.04.2016, 21:27 | Message # 6 |
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| JackDole, I believe the values you and pzampella used in 1999 TC 36 are diameters, not radii. At least according to Johnston's archive.
"Time is illusion. Lunchtime doubly so." Douglas N. Adams My mods Asus x555ub: cpu i5-6200u - ram 4gb - gpu nvidia geforce 940m 2gb vram
Edited by Mosfet - Wednesday, 27.04.2016, 21:28 |
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JackDole | Date: Thursday, 28.04.2016, 06:08 | Message # 7 |
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| Mosfet,
Quote Mosfet ( ) I believe the values you and pzampella used in 1999 TC 36 are diameters, not radii. At least according to Johnston's archive. You're right. I have corrected it. Even some of the other data. Although these data always vary, depending on the source.
Don't forget to look here.
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Mosfet | Date: Friday, 29.04.2016, 15:27 | Message # 8 |
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| (617) Patroclus, double Jupiter Trojan.
Code //// 617 Patroclus //// JA WP
Barycenter "Patroclus/(617) Patroclus" { ParentBody "Sol"
Orbit { Epoch 2456800.5 SemiMajorAxis 5.21730351 Period 11.91728581 MeanAnomaly 54.110386 ArgOfPericenter 308.408114 Eccentricity 0.139513679 Inclination 22.0508739 AscendingNode 44.366003 PericenterDist 4.4894183 RefPlane "Ecliptic" } }
Asteroid "617 Patroclus" { ParentBody "Patroclus/(617) Patroclus" Class "Asteroid" Radius 53 AbsMagn 8.19 SlopeParam 0.15 Albedo 0.045 RotationPeriod 103.02
Orbit { Epoch 2456800.5 SemiMajorAxis 4.54551924314254E-06 // 680 km Period 0.0117264657 // 4,283 days MeanAnomaly 0 Eccentricity 0.02 ArgOfPericenter 0 RefPlane "Ecliptic" } }
Asteroid "Menoetius/(617) Patroclus I Menoetius" { ParentBody "Patroclus/(617) Patroclus" Class "Asteroid" Radius 49 Teff 110
Orbit { Epoch 2456800.5 SemiMajorAxis 4.54551924314254E-06 // 680 km Period 0.0117264657 // 4,283 days MeanAnomaly 0 ArgOfPericenter 180 Eccentricity 0.02 RefPlane "Ecliptic" } }
"Time is illusion. Lunchtime doubly so." Douglas N. Adams My mods Asus x555ub: cpu i5-6200u - ram 4gb - gpu nvidia geforce 940m 2gb vram
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Mosfet | Date: Saturday, 30.04.2016, 11:33 | Message # 9 |
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| (107) Camilla, a big one from the Main Belt
Code //// 107 Camilla ///// JA
Barycenter "Camilla/(107) Camilla" { ParentBody "Sol" Orbit { Epoch 2457600.5 SemiMajorAxis 3.487326707 Period 6.512491296 MeanAnomaly 175.0490822972731 ArgOfPericenter 306.618278 Eccentricity 0.066773541 Inclination 10.0032973 AscendingNode 172.621467 PericenterDist 3.25446556 RefPlane "Ecliptic" } } Asteroid "107 Camilla" { ParentBody "Camilla" Class "Asteroid" Radius 109.685 AbsMagn 7.08 SlopeParam 0.08 Albedo 0.054 RotationPeriod 4.84393 Orbit { MeanAnomaly 0 ArgOfPericenter 0 Eccentricity 0.0015 Inclination 3 AscendingNode 0 RefPlane "Ecliptic" } } Asteroid "S 2001 (107) 1" { ParentBody "Camilla" Class "Asteroid" Radius 8 Orbit { SemiMajorAxis 8.35573390283556E-06 // 1250 km Period 0.0101904985 // 3,722 days MeanAnomaly 0 ArgOfPericenter 180 Eccentricity 0.0015 Inclination 3 AscendingNode 0 RefPlane "Ecliptic" } }
and (22) Kalliope, another big one.
Code ////// 22 Kalliope ///// JA
Barycenter "Kalliope/(22) Kalliope" { ParentBody "Sol" Orbit { Epoch 2457600.5 SemiMajorAxis 2.910478163 Period 4.965405488 MeanAnomaly 359.389969131262 ArgOfPericenter 354.871544 Eccentricity 0.099848778 Inclination 13.7157902 AscendingNode 66.085229 PericenterDist 2.61987048 RefPlane "Ecliptic" } } Asteroid "22 Kalliope" { ParentBody "Kalliope" Class "Asteroid" Radius 83.1 AbsMagn 6.45 SlopeParam 0.21 Albedo 0.169 RotationPeriod 4.1482 Obliquity 103 Orbit { MeanAnomaly 0 ArgOfPericenter 0 Eccentricity 0 RefPlane "Ecliptic" } } Asteroid "Linus/(22) Kalliope I Linus" { ParentBody "Kalliope" Class "Asteroid" Radius 14 Orbit { SemiMajorAxis 7.31962289888395E-06 // 1095 km Period 0.009845522 // 3,596 days MeanAnomaly 0 ArgOfPericenter 180 Eccentricity 0.0015 Inclination 93.4 RefPlane "Ecliptic" } }
"Time is illusion. Lunchtime doubly so." Douglas N. Adams My mods Asus x555ub: cpu i5-6200u - ram 4gb - gpu nvidia geforce 940m 2gb vram
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SpaceEngineer | Date: Saturday, 30.04.2016, 12:16 | Message # 10 |
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| For 0.974 RC3, I moved all binary/multiple asteroids into a separate catalog file, for ease editing. It is in the attachment. Could someone update it with newly added objects in this thread and attach it to the OP?
Note what dwarf planets are in the SolarSys.sc and should not be duplicated here.
It can be used with RC2 by saving to the catalogs/planets folder. To use with earlier versions, it should be added to universe.cfg, also duplicates should be removed from the asteroids.sc and asteroids-small.sc.
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Mosfet | Date: Saturday, 30.04.2016, 12:29 | Message # 11 |
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| SpaceEngineer, I'm using a Barycenter even for binary asteroids with a bigger primary object, I'm doing wrong or it's better like you did in the script for SE calculations? I have this doubt.
Edit: Updated Asteroids-bin.sc is in OP.
"Time is illusion. Lunchtime doubly so." Douglas N. Adams My mods Asus x555ub: cpu i5-6200u - ram 4gb - gpu nvidia geforce 940m 2gb vram
Edited by Mosfet - Saturday, 30.04.2016, 17:22 |
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Mosfet | Date: Sunday, 01.05.2016, 21:41 | Message # 12 |
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| (93) Minerva, triple asteroid of the main belt.
Code Asteroid "Minerva/(93) Minerva" { ParentBody "Sol" Radius 70.8 AbsMagn 7.8 SlopeParam 0.15 Albedo 0.073 RotationPeriod 5.981767 Orbit { Epoch 2457600.5 SemiMajorAxis 2.754124319 Period 4.57070837 MeanAnomaly 262.02186155931 ArgOfPericenter 274.841096 Eccentricity 0.14122459 Inclination 8.5606727 AscendingNode 4.0756 PericenterDist 2.36517424 } }
Asteroid "Aegis/S (93) 1 Aegis" { ParentBody "Minerva" Radius 1.8 Orbit { SemiMajorAxis 4.16784007073438E-06 // 623.5 km Period 0.0065874099 // 2.406 days MeanAnomaly 0 ArgOfPericenter 82 Eccentricity 0 Inclination 89 AscendingNode 126 RefPlane "Equator" } }
Asteroid "Gorgoneion/S (93) 2 Gorgoneion" { ParentBody "Minerva" Radius 1.6 Orbit { SemiMajorAxis 2.50672017085067E-06 // 375 km Period 0.0030519475 // 1.1147 days MeanAnomaly 0 ArgOfPericenter 347.5 Eccentricity 0.05 Inclination 91.4 AscendingNode 132.6 RefPlane "Equator" } }
"Time is illusion. Lunchtime doubly so." Douglas N. Adams My mods Asus x555ub: cpu i5-6200u - ram 4gb - gpu nvidia geforce 940m 2gb vram
Edited by Mosfet - Sunday, 01.05.2016, 22:19 |
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Silicon | Date: Tuesday, 03.05.2016, 16:14 | Message # 13 |
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| I have three asteroids, all near-Earth. All data was derived from the NEODyS-2 Catalog and the NEA Database. The asteroids are 1999 KW4, 2001 SN263, and 1994 CC.
Code Asteroid "1999 KW4/(66391) 1999 KW4" { ParentBody "Sol" Class "Asteroid" AsterType "Aten" Radius 0.75 Mass 4.0186E-13 AbsMagn 16.5
RotationPeriod 2.7645
Orbit { Epoch 2457400.5 MeanMotion 1.9148 SemiMajorAxis 0.64228 Period 0.514759 Eccentricity 0.68847 Inclination 38.884 AscendingNode 244.919 ArgOfPericenter 192.619 MeanAnomaly 290.088 RefPlane "Ecliptic" } }
DwarfMoon "S/2001 (66391) 1" { ParentBody "1999 KW4" Class "Asteroid" AsterType "Aten" Radius 0.25 Mass 2.2604E-14 AbsMagn 14 Orbit { Epoch 2457400.5 SemiMajorAxis 1.74E-8 Period 0.001987 Eccentricity 0 Inclination 0 RefPlane "Equator" } }
Asteroid "2001 SN263/(153591) 2001 SN263" { ParentBody "Sol" Class "Asteroid" AsterType "Amor" Radius 1.325 Mass 2.512E-12 AbsMagn 16.9
RotationPeriod 3.423 Obliquity -80 EqAscendNode 309
Orbit { Epoch 2457400.5 MeanMotion 0.35 SemiMajorAxis 1.9868 Period 2.80066 Eccentricity 0.47842 Inclination 6.6858 AscendingNode 325.8316 ArgOfPericenter 172.8625 MeanAnomaly 297.3598 RefPlane "Ecliptic" } }
DwarfMoon "2001 SN263 Gamma" { ParentBody "2001 SN263" Class "Asteroid" AsterType "Amor" Radius 0.17 Mass 1.6744E-14 AbsMagn 16.9 Orbit { Epoch 2457400.5 SemiMajorAxis 2.54E-8 Period 0.001878 Eccentricity 0.016 Inclination 7 RefPlane "Equator" } }
DwarfMoon "2001 SN263 Beta" { ParentBody "2001 SN263" Class "Asteroid" AsterType "Amor" Radius 0.385 Mass 4.0186E-14 AbsMagn 17.7 Orbit { Epoch 2457400.5 SemiMajorAxis 1.11E-7 Period 0.017043 Eccentricity 0.015 Inclination -7 RefPlane "Equator" } }
Asteroid "1994 CC/(136617) 1994 CC" { ParentBody "Sol" Class "Asteroid" AsterType "Apollo" Radius 0.35 Mass 4.354E-14 AbsMagn 17.7
RotationPeriod 2.3886
Orbit { Epoch 2457400.5 MeanMotion 0.548 SemiMajorAxis 1.6378 Period 2.096018 Eccentricity 0.41695 Inclination 4.6806 AscendingNode 268.565 ArgOfPericenter 24.8612 MeanAnomaly 38.86802 RefPlane "Ecliptic" } }
DwarfMoon "1994 CC Beta" { ParentBody "1994 CC" Class "Asteroid" AsterType "Apollo" Radius 0.065 Mass 1.0046E-15 AbsMagn 17.7 Orbit { Epoch 2457400.5 SemiMajorAxis 1.14E-8 Period 0.003403 Eccentricity 0.002 Inclination 95 RefPlane "Equator" } }
DwarfMoon "1994 CC Gamma" { ParentBody "1994 CC" Class "Asteroid" AsterType "Apollo" Radius 0.045 Mass 1.6744E-16 AbsMagn 17.7 Orbit { Epoch 2457400.5 SemiMajorAxis 4.08E-8 Period 0.022933 Eccentricity 0.192 Inclination 79 RefPlane "Equator" } }
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Mosfet | Date: Tuesday, 03.05.2016, 16:33 | Message # 14 |
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| 1999 has a really peculiar shape, if only we could render it better... I'll add those in OP soon.
"Time is illusion. Lunchtime doubly so." Douglas N. Adams My mods Asus x555ub: cpu i5-6200u - ram 4gb - gpu nvidia geforce 940m 2gb vram
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Mosfet | Date: Tuesday, 03.05.2016, 21:41 | Message # 15 |
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| (624) Hektor, double Jupiter Trojan
Code Asteroid "Hektor/(624) Hektor" { ParentBody "Sol" Radius 92 AbsMagn 7.2 SlopeParam 0.15 Albedo 0.023 Obliquity 109 RotationPeriod 5.981767 Orbit { Epoch 2457000.5 SemiMajorAxis 5.249788662 Period 12.02853485 MeanAnomaly 40.84955 ArgOfPericenter 182.14671 Eccentricity 0.024404703 Inclination 18.1690137 AscendingNode 342.809043 PericenterDist 5.12166913 RefPlane "Ecliptic" } }
Asteroid "S 2006 (624) 1" { ParentBody "Hektor" Radius 6 Orbit { SemiMajorAxis 6.40049216957204E-06 // 957.5 km Period 0.0081181175 // 2.965079 days MeanAnomaly 0 ArgOfPericenter 0 Eccentricity 0.31 Inclination 0 AscendingNode 0 RefPlane "Equator" } }
"Time is illusion. Lunchtime doubly so." Douglas N. Adams My mods Asus x555ub: cpu i5-6200u - ram 4gb - gpu nvidia geforce 940m 2gb vram
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