- # All asteroid colors (except for Dactyl) are derived from SMASS spectra
- # and converted to RGB values using Matt Wronkiewicz's spectrum2rgb utility
- # that is distributed with the Celestia source package.
- # A few main belt asteroids . .
- "1 Ceres:Ceres:A899 OF" "Sol"
- {
- Class "dwarfplanet"
- Texture "asteroid.jpg"
- Color [ 1.000 0.945 0.881 ]
- BlendTexture true
- Radius 487.5 # 975x909km
- Oblateness 0.068 # Thomas et al, Nature, 8 Sep 2005
- EllipticalOrbit
- {
- Epoch 2452600.5 # 2002 Nov 22 00:00UT
- Period 4.60014
- SemiMajorAxis 2.7660
- Eccentricity 0.0793
- Inclination 10.584
- AscendingNode 80.483
- ArgOfPericenter 74.043
- MeanAnomaly 232.067
- }
- UniformRotation
- {
- Period 9.074170 # Icarus 2007,188(2):451
- Epoch 2449249.91125 # 1993 Sep 19 09:52:12UT
- Inclination 11
- AscendingNode 29
- MeridianAngle 339.85
- }
- Albedo 0.113
- }
- "2 Pallas:Pallas" "Sol"
- # Pole and shape from Schmidt et al
- # "Hubble takes a look at Pallas: Shape, Size and Surface"
- # (2008) http://www.lpi.usra.edu/meetings/lpsc2008/pdf/2502.pdf
- {
- Class "asteroid"
- Texture "asteroid.jpg"
- Color [ 1.000 0.952 0.903 ]
- BlendTexture true
- SemiAxes [ 291 278 250 ]
- EllipticalOrbit
- {
- Epoch 2452600.5 # 2002 Nov 22 00:00UT
- Period 4.61868
- SemiMajorAxis 2.7733
- Eccentricity 0.2300
- Inclination 34.846
- AscendingNode 173.166
- ArgOfPericenter 310.423
- MeanAnomaly 218.057
- }
- UniformRotation
- {
- Period 7.81323264
- Inclination 113
- AscendingNode 118
- MeridianAngle 339
- }
- Albedo 0.159
- }
- "3 Juno:Juno" "Sol"
- {
- Class "asteroid"
- Texture "asteroid.jpg"
- Color [ 1.000 0.912 0.833 ]
- BlendTexture true
- SemiAxes [ 145 120 95 ]
- EllipticalOrbit
- {
- Epoch 2452600.5 # 2002 Nov 22 00:00UT
- Period 4.35540
- SemiMajorAxis 2.6669
- Eccentricity 0.2589
- Inclination 12.972
- AscendingNode 170.133
- ArgOfPericenter 247.948
- MeanAnomaly 119.146
- }
- UniformRotation
- {
- Period 7.811
- Inclination 56
- AscendingNode 196
- }
- Albedo 0.238
- }
- "4 Vesta:Vesta" "Sol"
- {
- Class "asteroid"
- Mesh "vesta.cmod"
- Texture "asteroid.jpg"
- Color [ 1.000 0.923 0.851 ]
- BlendTexture true
- Radius 279 # maximum semi-axis
- MeshCenter [ 0.77 3.424 -0.554 ]
- InfoURL "http://www.solarviews.com/eng/vesta.htm"
- EllipticalOrbit
- {
- Epoch 2452000.5 # 2001 Apr 1 00:00UT
- Period 3.62729
- SemiMajorAxis 2.3670775
- Eccentricity 0.089753
- Inclination 7.1346
- AscendingNode 103.9510
- ArgOfPericenter 149.4585
- MeanAnomaly 104.980
- }
- UniformRotation
- {
- Period 5.342
- Epoch 2450124.90833 # 1996 May 11 09:48UT
- Inclination 40
- AscendingNode 91
- MeridianAngle 325.77
- }
- Albedo 0.423
- }
- # Some of the asteroids visited by spacecraft
- "951 Gaspra:Gaspra:A913 YA" "Sol"
- {
- Class "asteroid"
- Mesh "gaspra.cmod"
- Texture "gaspramosaic.*" # Phil Stooke
- Color [ 1.000 0.883 0.769 ]
- BlendTexture true
- Radius 9.1 # maximum semi-axis
- MeshCenter [ 1.540 -0.064 -0.118 ]
- EllipticalOrbit
- {
- Epoch 2448559.0 # 1991 Oct 29 12:00UT (Galileo encounter)
- Period 3.2837 # average
- SemiMajorAxis 2.2096348 # at epoch
- Eccentricity 0.1738752 # at epoch
- Inclination 4.0975771 # at epoch
- AscendingNode 253.445592 # at epoch
- ArgOfPericenter 129.045896 # at epoch
- MeanAnomaly 280.769206 # at epoch
- }
- UniformRotation
- {
- Period 7.042073
- Inclination 69.28
- AscendingNode 109.59
- MeridianAngle 58.865
- }
- Albedo 0.1
- }
- "243 Ida:Ida:A910 CD" "Sol"
- {
- Class "asteroid"
- Mesh "ida.cmod"
- Texture "idamosaic.*" # Phil Stooke
- Color [ 1.000 0.901 0.815 ]
- BlendTexture true
- Radius 28.9 # maximum semi-axis
- MeshCenter [ -1.424 -0.417 0.115 ]
- EllipticalOrbit
- {
- Epoch 2449228.0 # 1993 Aug 28 12:00UT (Galileo encounter)
- Period 4.8417 # mean
- SemiMajorAxis 2.863731 # at epoch
- Eccentricity 0.043109 # at epoch
- Inclination 1.137110 # at epoch
- AscendingNode 324.586055 # at epoch
- ArgOfPericenter 113.017101 # at epoch
- MeanAnomaly 131.594945 # at epoch
- }
- UniformRotation
- {
- Period 4.633632
- Inclination 156.96
- AscendingNode 352.77
- MeridianAngle 359.46
- }
- Albedo 0.24
- }
- "Dactyl:243 Ida I:Ida I:1993 (243) 1" "Sol/Ida"
- {
- # Data for Dactyl taken from:
- # Petit et al.: The Long-Term Dynamics of Dactyl's Orbit
- # (Icarus 1997: 130; 177-197) - linked in the InfoURL
- InfoURL "http://www.lpl.arizona.edu/~hurfordt/research/papers/Icarus130.pdf"
- Class "asteroid"
- Texture "asteroid.jpg"
- # Use the same color as for Ida--uncertain if this is correct
- Color [ 1.000 0.901 0.815 ]
- BlendTexture true
- Mesh "roughsphere.cms"
- Radius 0.7
- EllipticalOrbit
- {
- Epoch 2449228.2028 # 1993 Aug 28 16:52:05UT
- Period 0.96534 # stable 5:1 resonant orbit (Petit et al.)
- SemiMajorAxis 83.5 # stable 5:1 resonant orbit (Petit et al.)
- Eccentricity 0.13 # stable 5:1 resonant orbit (Petit et al.)
- LongOfPericenter 310 # stable pericenter at 90:E Ida longitude (Petit et al.)
- AscendingNode 90 # VERY approximate - chosen to place Dactyl north
- # of Ida's equator, as seen at time of Galileo encounter
- Inclination 8 # estimated at 7-9 degrees (Petit et al.)
- }
- UniformRotation
- {
- MeridianAngle 123 # place prime meridian facing Ida
- }
- Albedo 0.2
- }
- "433 Eros:Eros:1898 DQ" "Sol"
- {
- Class "asteroid"
- Mesh "eros.cmod"
- Texture "eros.*"
- # NormalMap "erosbump2k.jpg"
- Color [ 1.000 0.880 0.764 ]
- # The texture is already tinted with the asteroid color
- #BlendTexture true
- Radius 16.3 # maximum semi-axis
- MeshCenter [ -1.262 0.168 -0.164 ]
- EllipticalOrbit
- {
- Epoch 2451171.0 # 1998 Dec 23 12:00UT (NEAR-Shoemaker encounter)
- Period 1.761 # average
- SemiMajorAxis 1.458261 # at epoch
- Eccentricity 0.222885 # at epoch
- Inclination 10.830143 # at epoch
- AscendingNode 304.430882 # at epoch
- ArgOfPericenter 178.613184 # at epoch
- MeanAnomaly 208.403434 # at epoch
- }
- UniformRotation
- {
- Period 5.270
- Inclination 78.70
- AscendingNode 107.23
- MeridianAngle 338.165
- }
- Albedo 0.16
- }
- "25143 Itokawa:Itokawa:1998 SF36" "Sol"
- {
- Class "asteroid"
- Mesh "itokawa.cmod"
- Radius 0.315
- InfoURL "http://en.wikipedia.org/wiki/25143_Itokawa"
- # Osculating elements from HORIZONS
- EllipticalOrbit
- {
- Epoch 2453625.5 # 2005 Sep 12--Hayabusa arrival
- Period 1.523231392
- SemiMajorAxis 1.323849003
- Eccentricity 0.2801215972
- Inclination 1.622265921
- AscendingNode 69.09461308
- ArgOfPericenter 162.7594572
- MeanAnomaly 310.6795025
- }
- # Retrograde rotation pole with RA 90.53 and Dec -66.30
- # From "Pole and global shape of 25143 Itokawa",
- # Demura et al, Science, 2 Jun 2006
- BodyFrame { EquatorJ2000 {} }
- UniformRotation
- {
- Inclination 156.30
- AscendingNode 180.53
- Period 12.132
- }
- Color [ 1 0.96 0.80 ] # Approximation based on natural color images
- LunarLambert 0.5 # Approximate a dusty surface
- # Align model with Celestia's coordinate system
- Orientation [ 90 1 0 0 ]
- Albedo 0.53
- }
- # Radar-imaged asteroids
- "4179 Toutatis:Toutatis:1989 AC" "Sol"
- {
- Class "asteroid"
- Mesh "toutatis.cmod"
- Texture "asteroid.jpg"
- Color [ 1.000 0.904 0.803 ]
- BlendTexture true
- Radius 2.3 # maximum semi-axis
- MeshCenter [ 0.0313 0.2171 0.0064 ]
- InfoURL "http://echo.jpl.nasa.gov/asteroids/4179_Toutatis/toutatis.html"
- EllipticalOrbit
- {
- Epoch 2452200.5 # 2001 Oct 18 00:00UT
- Period 3.976715
- SemiMajorAxis 2.5100537
- Eccentricity 0.6342274
- Inclination 0.46959
- AscendingNode 128.24788
- ArgOfPericenter 274.78070
- MeanAnomaly 86.28120
- }
- PrecessingRotation
- {
- Period 129.6 # 5.41 days
- Inclination 145
- PrecessionPeriod -0.0201 # 7.35 day period
- }
- Albedo 0.16
- }
- "1620 Geographos:Geographos:1951 RA" "Sol"
- {
- Class "asteroid"
- Mesh "geographos.cmod"
- Texture "asteroid.jpg"
- Color [ 1.000 0.901 0.802 ]
- BlendTexture true
- Radius 2.53 # maximum semi-axis
- MeshCenter [ 0.154 -0.002 -0.026 ]
- InfoURL "http://www.solarviews.com/eng/geograph.htm"
- EllipticalOrbit
- {
- Epoch 2450800.5 # 1997 Dec 18 00:00UT
- Period 1.39
- SemiMajorAxis 1.2455
- Eccentricity 0.3354
- Inclination 13.34
- AscendingNode 337.352
- ArgOfPericenter 276.756
- MeanAnomaly 180.595
- }
- UniformRotation
- {
- Period 5.223
- Inclination 136
- AscendingNode 145
- }
- Albedo 0.326
- }
- "216 Kleopatra:Kleopatra:A905 OA" "Sol"
- {
- Class "asteroid"
- Mesh "kleopatra.cmod"
- Texture "asteroid.jpg"
- Color [ 1.000 0.932 0.888 ]
- BlendTexture true
- Radius 110 # maximum semi-axis
- MeshCenter [ -3.049 2.379 1.429 ]
- InfoURL "http://echo.jpl.nasa.gov/~ostro/kle/index.html"
- EllipticalOrbit
- {
- Epoch 2450800.5 # 1997 Dec 12 00:00UT
- Period 4.67
- SemiMajorAxis 2.791
- Eccentricity 0.2531
- Inclination 13.138
- AscendingNode 215.699
- ArgOfPericenter 179.350
- MeanAnomaly 225.804
- }
- UniformRotation
- {
- Period 5.385
- Inclination 63
- AscendingNode 162
- }
- Albedo 0.16
- # Class M
- }
- "1998 KY26" "Sol"
- {
- Class "asteroid"
- Mesh "ky26.cmod"
- Texture "asteroid.jpg"
- Radius 0.015 # maximum semi-axis
- MeshCenter [ -0.000718 -0.000099 0.000556 ]
- InfoURL "http://echo.jpl.nasa.gov/~ostro/KY26/index.html"
- EllipticalOrbit
- {
- Epoch 2452000.5 # 2001 Apr 1 00:00UT
- Period 1.3752
- SemiMajorAxis 1.2320798
- Eccentricity 0.20151423
- Inclination 1.48127
- AscendingNode 84.45490
- ArgOfPericenter 209.14766
- MeanAnomaly 356.6879717
- }
- UniformRotation
- {
- Period 0.178
- }
- Albedo 0.15
- }
- "2063 Bacchus:Bacchus:1977 HB" "Sol"
- {
- Class "asteroid"
- Mesh "bacchus.cmod"
- Texture "asteroid.jpg"
- Color [ 1.000 0.899 0.777 ]
- BlendTexture true
- Radius 0.55 # maximum semi-axis
- MeshCenter [ -0.00936 -0.00610 0.00289 ]
- InfoURL "http://echo.jpl.nasa.gov/~ostro/bacchus/index.html"
- EllipticalOrbit
- {
- Epoch 2452000.5 # 2001 Apr 1 00:00UT
- Period 1.1223
- SemiMajorAxis 1.0781035
- Eccentricity 0.34951251
- Inclination 9.43160
- AscendingNode 33.23590
- ArgOfPericenter 55.18040
- MeanAnomaly 229.8627955
- }
- UniformRotation
- {
- Period 14.90
- Inclination 116
- AscendingNode 114
- }
- Albedo 0.15
- }
- "6489 Golevka:Golevka:1991 JX" "Sol"
- {
- Class "asteroid"
- Mesh "golevka.cmod"
- Texture "asteroid.jpg"
- Color [ 1.000 0.856 0.747 ]
- BlendTexture true
- Radius 0.34 # maximum semi-axis
- MeshCenter [ -0.0289 -0.0111 -0.0331 ]
- InfoURL "http://echo.jpl.nasa.gov/~ostro/gol/index.html"
- EllipticalOrbit
- {
- Epoch 2452000.5 # 2001 Apr 1 00:00UT
- Period 3.995
- SemiMajorAxis 2.5120500
- Eccentricity 0.60117380
- Inclination 2.28701
- AscendingNode 212.16560
- ArgOfPericenter 65.25133
- MeanAnomaly 159.8983670
- }
- UniformRotation
- {
- Period 6.0289
- Inclination 135
- AscendingNode 292
- }
- Albedo 0.15
- }
- "4769 Castalia:Castalia:1989 PB" "Sol"
- {
- Class "asteroid"
- Mesh "castalia.cmod"
- Texture "asteroid.jpg"
- BlendTexture true
- Radius 0.81 # maximum semi-axis
- MeshCenter [ -0.0456 -0.0347 -0.0178 ]
- InfoURL "http://echo.jpl.nasa.gov/asteroids/4769_Castalia/cast01.html"
- EllipticalOrbit
- {
- Epoch 2452000.5 # 2001 Apr 1 00:00UT
- Period 1.096
- SemiMajorAxis 1.0632007
- Eccentricity 0.48324394
- Inclination 8.88806
- AscendingNode 325.71246
- ArgOfPericenter 121.26355
- MeanAnomaly 152.5186007
- }
- UniformRotation
- {
- Period 4.095
- Inclination 146
- AscendingNode 325
- }
- Albedo 0.15
- }
- # Centaurs
- "2060 Chiron:Chiron:1977 UB:95P Chiron" "Sol"
- {
- Class "asteroid"
- Texture "asteroid.jpg"
- Color [ 1.000 0.960 0.919 ]
- BlendTexture true
- Radius 144
- EllipticalOrbit
- {
- Epoch 2449608.5 # 1994 Sep 13 00:00UT
- Period 50.90359
- SemiMajorAxis 13.734941
- Eccentricity 0.384424
- Inclination 6.927771
- AscendingNode 209.395188
- ArgOfPericenter 339.432152
- MeanAnomaly 349.983669
- }
- UniformRotation
- {
- Period 5.918
- }
- Albedo 0.048
- }