- # The largest Edgeworth-Kuiper belt objects
- "136199 Eris:Eris:2003 UB313" "Sol" {
- # Higher albedo and lower radius than first reported.
- # Data from HST results by Brown et al. ApJ 2006:
- # http://www.gps.caltech.edu/~mbrown/papers/ps/xsize.pdf
- Class "dwarfplanet"
- Texture "asteroid.jpg"
- Radius 1200
- # no evidence of reddening
- InfoURL "http://www.gps.caltech.edu/~mbrown/planetlila/index.html"
- EllipticalOrbit {
- Epoch 2453600.5 # 2005 Aug 18 00:00UT
- Period 557.148
- SemiMajorAxis 67.709
- Eccentricity 0.4416
- Inclination 44.177
- AscendingNode 35.875
- ArgOfPericenter 151.311
- MeanAnomaly 197.538
- }
- Albedo 0.86
- UniformRotation
- {
- Period 25.92 # Estimate from Icarus 2008. 198: 2; 459-64
- Inclination 79.8 # spin axis assumed to match
- AscendingNode 144 # orbit of Dysnomia
- }
- }
- "Dysnomia:136199 Eris I:Eris I:2005 (2003 UB313) 1" "Sol/Eris" {
- Class "moon"
- Mesh "asteroid.cms"
- Texture "asteroid.jpg"
- Radius 100 # ~0.2% of Eris brightness
- InfoURL "http://www.gps.caltech.edu/~mbrown/planetlila/moon/"
- # Orbit from Brown ME, Schaller EL: Science 2007; 316: 1585
- OrbitFrame {
- EquatorJ2000 { Center "Sol/Eris" }
- }
- EllipticalOrbit
- {
- Epoch 2453979.0 # 2006 Aug 31 12:00UT
- Period 15.772
- SemiMajorAxis 37430
- Inclination 61.3
- AscendingNode 139
- MeanAnomaly 328.6
- }
- }
- "13672 Makemake:Makemake:2005 FY9" "Sol" {
- Class "dwarfplanet"
- Texture "asteroid.jpg"
- Radius 850 # estimate
- EllipticalOrbit {
- Epoch 2453600.5 # 2005 Aug 18 00:00UT
- Period 308.329
- SemiMajorAxis 45.640
- Eccentricity 0.1519
- Inclination 28.998
- AscendingNode 79.416
- ArgOfPericenter 245.848
- MeanAnomaly 213.919
- }
- UniformRotation
- {
- Period 48.0 # guess
- }
- }
- "136108 Haumea:Haumea:2003 EL61" "Sol" {
- Class "dwarfplanet"
- Texture "asteroid.jpg"
- # Dimensions below taken from Rabinowitz et al. Photometric observations
- # constraining the size, shape and albedo of 2003 EL62, a rapidly rotating,
- # Pluto-sized object in the Kuiper Belt.
- # http://arxiv.org/ftp/astro-ph/papers/0509/0509401.pdf
- SemiAxes [ 980 760 500 ] # estimate
- InfoURL "http://www.gps.caltech.edu/~mbrown/2003EL61/"
- EllipticalOrbit {
- Epoch 2453600.5 # 2005 Aug 18 00:00UT
- Period 285.312
- SemiMajorAxis 43.339
- Eccentricity 0.1888
- Inclination 28.195
- AscendingNode 121.895
- ArgOfPericenter 239.512
- MeanAnomaly 198.075
- }
- UniformRotation
- {
- Period 3.9152
- Inclination 255 # spin axis assumed to match
- AscendingNode 25 # satellite orbits
- }
- }
- "Hi'iaka:136108 Haumea I:Haumea I:2005 (2003 EL61) 1" "Sol/2003 EL61" {
- Class "moon"
- Mesh "asteroid.cms"
- Texture "asteroid.jpg"
- Radius 150 # ~1% of system mass
- InfoURL "http://www.gps.caltech.edu/~mbrown/2003EL61/"
- # Orbit from Brown ME et al: http://www.gps.caltech.edu/%7Embrown/papers/ps/EL61.pdf
- BodyFrame {
- EclipticJ2000 { Center "Sol/2003 EL61" }
- }
- OrbitFrame {
- EclipticJ2000 { Center "Sol/2003 EL61" }
- }
- EllipticalOrbit {
- Period 49.12
- SemiMajorAxis 49500
- Eccentricity 0.050
- Inclination 234.8
- AscendingNode 26.1
- ArgOfPericenter 278.6
- MeanAnomaly 16.71
- }
- Obliquity 235 # to match orbit
- EquatorAscendingNode 25 #
- }
- "Namaka:136108 Haumea II:Haumea II:2005 (2003 EL61) 2" "Sol/2003 EL61" {
- Class "moon"
- Mesh "asteroid.cms"
- Texture "asteroid.jpg"
- Radius 90 # ~0.2% of system mass
- InfoURL "http://www.gps.caltech.edu/~mbrown/2003EL61/"
- BodyFrame {
- EclipticJ2000 { Center "Sol/2003 EL61" }
- }
- OrbitFrame {
- EclipticJ2000 { Center "Sol/2003 EL61" }
- }
- EllipticalOrbit {
- Period 34.1
- SemiMajorAxis 39300
- Inclination 275 # ~40 degrees to 2005 (2003 EL61) 1
- AscendingNode 25 #
- }
- Obliquity 275 # to match orbit
- EquatorAscendingNode 25 #
- }
- "90482 Orcus:Orcus:2004 DW" "Sol" {
- Class "asteroid"
- Texture "asteroid.jpg"
- Color [ 0.65 0.45 0.35 ]
- BlendTexture true
- Radius 800
- InfoURL "http://www.gps.caltech.edu/~chad/2004dw/"
- EllipticalOrbit {
- Period 245.976
- SemiMajorAxis 39.258
- Eccentricity 0.2258
- Inclination 20.539
- AscendingNode 268.457
- ArgOfPericenter 73.731
- MeanAnomaly 150.066
- }
- Albedo 0.09
- UniformRotation
- {
- Period 48.0 # guess
- }
- }
- "2004 XR190" "Sol" {
- Class "asteroid"
- Texture "asteroid.jpg"
- Radius 750 # "500-1000 km"
- InfoURL "http://www.cfeps.astrosci.ca/4b7/index.html"
- EllipticalOrbit {
- Epoch 2453800.5 # 2006 Mar 6 00:00UT
- Period 434.981
- SemiMajorAxis 57.409
- Eccentricity 0.111
- Inclination 46.735
- AscendingNode 252.369
- ArgOfPericenter 284.115
- MeanAnomaly 268.060
- }
- UniformRotation
- {
- Period 48.0 # guess
- }
- }
- "50000 Quaoar:Quaoar:2002 LM60" "Sol" {
- Class "asteroid"
- Texture "asteroid.jpg"
- Color [ 0.60 0.45 0.35 ] # only slight red
- BlendTexture true
- Radius 625
- Oblateness 0.12 # minimum axis ratio of 1.133
- InfoURL "http://www.gps.caltech.edu/~chad/quaoar/"
- EllipticalOrbit {
- Period 283.234
- SemiMajorAxis 43.128
- Eccentricity 0.0395
- Inclination 8.005
- AscendingNode 189.081
- ArgOfPericenter 163.885
- MeanAnomaly 258.858
- }
- Albedo 0.12
- UniformRotation
- {
- Period 17.6788 # for a double-peaked light curve
- }
- }
- "28978 Ixion:Ixion:(2001 KX76" "Sol" {
- Class "asteroid"
- Texture "asteroid.jpg"
- Color [ 0.65 0.45 0.35 ] # "reddish"
- BlendTexture true
- Radius 600
- InfoURL "http://www.noao.edu/outreach/press/pr01/pr0110.html"
- EllipticalOrbit {
- Epoch 2452400.5 # 2002 May 6 00:00UT
- Period 246.50564
- SemiMajorAxis 39.3138672
- Eccentricity 0.2447032
- Inclination 19.68326
- AscendingNode 71.0155
- ArgOfPericenter 300.9234
- MeanAnomaly 259.585
- }
- Albedo 0.04
- UniformRotation
- {
- Period 30.0
- }
- }
- "20000 Varuna:Varuna:2000 WR106" "Sol" {
- Class "asteroid"
- Texture "asteroid.jpg"
- Color [ 0.65 0.45 0.35 ] # "reddish"
- BlendTexture true
- Radius 450
- Oblateness 0.333 # axis ratio 1.5:1
- InfoURL "http://www.aas.org/publications/baas/v34n3/dps2002/9.htm"
- EllipticalOrbit {
- Epoch 2452400.5 # 2002 May 6 00:00UT
- Period 284.83446
- SemiMajorAxis 43.290196
- Eccentricity 0.053794
- Inclination 17.12557
- AscendingNode 97.2843
- ArgOfPericenter 275.5744
- MeanAnomaly 82.67171
- }
- Albedo 0.07
- UniformRotation
- {
- Period 6.3442 # for a double-peaked light curve
- }
- }
- "55565 2002 AW197:2002 AW197" "Sol" {
- Class "asteroid"
- Texture "asteroid.jpg"
- Color [ 0.65 0.45 0.35 ]
- BlendTexture true
- Radius 450
- InfoURL "http://www.aas.org/publications/baas/v34n3/dps2002/301.htm"
- EllipticalOrbit {
- Period 323.976
- SemiMajorAxis 47.171
- Eccentricity 0.1257
- Inclination 24.370
- AscendingNode 297.463
- ArgOfPericenter 296.073
- MeanAnomaly 272.766
- }
- Albedo 0.10
- UniformRotation
- {
- Period 48.0 # guess
- }
- }
- # Inner Oort cloud
- "90377 Sedna:Sedna:2003 VB12" "Sol" {
- Class "asteroid"
- Texture "asteroid.jpg"
- Color [ 0.75 0.45 0.35 ] # almost as red as Mars
- BlendTexture true
- Radius 850
- InfoURL "http://www.gps.caltech.edu/~mbrown/sedna/"
- EllipticalOrbit {
- Epoch 2453200.5 # 2004 Jul 14 00:00UT
- Period 12258.809
- SemiMajorAxis 531.658
- Eccentricity 0.8574
- Inclination 11.930
- AscendingNode 144.493
- ArgOfPericenter 311.827
- MeanAnomaly 357.881
- }
- Albedo 0.05
- UniformRotation
- {
- Period 10 # (much shorter than previously thought)
- }
- }