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# Data for our solar system.
"Mercury" "Sol"
{
Texture "mercury.jpg"
BumpMap "mercurybump.jpg"
BumpHeight 2.5
Radius 2440
CustomOrbit "vsop87-mercury"
EllipticalOrbit {
Period 0.2408
SemiMajorAxis 0.3871
Eccentricity 0.2056
Inclination 7.0049
AscendingNode 48.33167
LongOfPericenter 77.456
MeanLongitude 252.251
}
RotationPeriod 1407.509405
Obliquity 7.01
EquatorAscendingNode 48.42
RotationOffset 291.20
Albedo 0.06
}
"Venus" "Sol"
{
Texture "venussurface.jpg"
# BumpMap "venusbump.jpg"
HazeColor [ 0.5 0.35 0.2 ]
HazeDensity 0.35
Radius 6052
Atmosphere {
Height 60
Lower [ 0.8 0.8 0.5 ]
Upper [ 0.6 0.6 0.6 ]
Sky [ 0.8 0.8 0.5 ]
CloudMap "venus.jpg"
CloudHeight 50
CloudSpeed 90
}
CustomOrbit "vsop87-venus"
EllipticalOrbit {
Period 0.6152
SemiMajorAxis 0.7233
Eccentricity 0.0068
Inclination 3.3947
AscendingNode 76.681
LongOfPericenter 131.533
MeanLongitude 181.979
}
RotationPeriod 5832.479839
Obliquity 178.78
EquatorAscendingNode 300.22
RotationOffset 137.45
Albedo 0.77
}
"Earth" "Sol"
{
Texture "earth.png"
# Texture "earth8k.dds"
NightTexture "earthnight.jpg"
# SpecularTexture "earthspec2k.jpg"
Color [ 0.85 0.85 1.0 ]
SpecularColor [ 0.5 0.5 0.55 ]
SpecularPower 25.0
HazeColor [ 1 1 1 ]
HazeDensity 0.3
Radius 6378
# Oblateness 0.003
# NormalMap "earthbump4k.jpg"
# BumpMap "earthbump4k.jpg"
# BumpHeight 4.5
Atmosphere {
Height 60
Lower [ 0.30 0.52 0.65 ]
Upper [ 0.26 0.47 0.84 ]
Sky [ 0.30 0.48 0.82 ]
CloudHeight 7
CloudSpeed 65
CloudMap "earth-clouds.png"
}
CustomOrbit "vsop87-earth"
EllipticalOrbit {
Period 1.0000
SemiMajorAxis 1.0000
Eccentricity 0.0167
Inclination 0.0001
AscendingNode 348.739
LongOfPericenter 102.947
MeanLongitude 100.464
}
RotationPeriod 23.9344694 # 23.93419
Obliquity -23.45
RotationOffset 280.5 # offset at default epoch J2000
Albedo 0.30
}
"Moon" "Sol/Earth"
{
Texture "moon.jpg"
# Texture "clem-moon-4k.jpg"
# Texture "moon4k.dds"
BumpMap "moonbump1k.jpg"
BumpHeight 0.7
Radius 1737.53
Oblateness 0.002
CustomOrbit "moon"
EllipticalOrbit {
Period 27.321661
SemiMajorAxis 384400
Eccentricity 0.054900
Inclination 5.15
}
Obliquity 23.45 # mean axis
EquatorAscendingNode 0.0 # mean axis
RotationOffset 38
Albedo 0.12
}
"Mir" "Sol/Earth"
{
Class "spacecraft"
Mesh "mir.3ds"
Radius 0.0165 # Mir is 33 meters long
Beginning 2446482.0 # Launched 20 Feb 1986
Ending 2451989.77083 # Reentered 21 Mar 2001
# Assuming these elements to be constant isn't accurate . . .
# Celestia really needs to support better orbit models.
EllipticalOrbit {
Period 0.06415338
SemiMajorAxis 6769
Eccentricity 0.0000831
Inclination 51.6461
AscendingNode 83.8459
ArgOfPericenter 296.4901
MeanAnomaly 63.6005
}
Obliquity 51.6461
RotationOffset 180
EquatorAscendingNode 83.8459
Albedo 0.10
}
"ISS" "Sol/Earth"
{
Class "spacecraft"
Mesh "iss.3ds"
Radius 0.040
Beginning 2451138 # Zarya module launched 20 Nov 1998
# Ending ????
EllipticalOrbit {
Period 0.064176392
SemiMajorAxis 6767
Eccentricity 0.0016886
Inclination 51.5684
AscendingNode 343.1518
ArgOfPericenter 346.2476
MeanAnomaly 13.8216
Epoch 2452028.18381755
}
Obliquity 51.5684 #
RotationOffset 90 #orientation corrections by Matt McIrvin
EquatorAscendingNode 343.1518 #
Albedo 0.10
}
"Hubble" "Sol/Earth"
{
Class "spacecraft"
Mesh "hubble.3ds"
Radius 0.007 # 14 meters across
Beginning 2448007 # Deployed 25 April 1990
# Ending 2010?
EllipticalOrbit {
Period 0.06903
SemiMajorAxis 6767
Eccentricity 0.0012082
Inclination 28.4675
AscendingNode 51.0100
ArgOfPericenter 27.0378
MeanAnomaly 333.0836
Epoch 2452028.18381755
}
Albedo 0.10
}
"Mars" "Sol"
{
Texture "mars.jpg"
# Texture "mars8k.dds"
BumpMap "marsbump1k.jpg"
BumpHeight 2.5
Color [ 1 0.75 0.7 ]
HazeColor [ 1 1 1 ]
HazeDensity 0.45
Radius 3394
# Oblateness 0.006
Atmosphere {
Height 30
Lower [ 0.8 0.6 0.6 ]
Upper [ 0.7 0.3 0.3 ]
Sky [ 0.83 0.75 0.65 ]
}
CustomOrbit "vsop87-mars"
EllipticalOrbit
{
Period 1.8809
SemiMajorAxis 1.5237
Eccentricity 0.0934
Inclination 1.8506
AscendingNode 49.479
LongOfPericenter 336.041
MeanLongitude 355.453
}
RotationPeriod 24.622962
Obliquity 26.72
EquatorAscendingNode 82.91
RotationOffset 136.005
Albedo 0.150
}
"Phobos" "Sol/Mars"
{
Mesh "phobos.3ds"
Texture "phobos.jpg"
# BumpMap "phobosbump.jpg"
# BumpHeight 5
Radius 11
EllipticalOrbit
{
Period 0.318910
SemiMajorAxis 9377.2
Eccentricity 0.0151
Inclination 1.075
AscendingNode 128.694 # J2000
ArgOfPericenter 213.804 # J2000
MeanAnomaly 191.771 # J2000
}
Obliquity 0.0
RotationOffset 174.2
Albedo 0.07
}
"Deimos" "Sol/Mars"
{
Mesh "deimos.3ds"
Texture "deimos.jpg"
Radius 6
EllipticalOrbit
{
Period 1.262441
SemiMajorAxis 23463.2
Eccentricity 0.00033
Inclination 1.793
AscendingNode 25.229
ArgOfPericenter 208.213
MeanAnomaly 344.128
}
Obliquity 0.9
EquatorAscendingNode 183.0
RotationOffset 34.7
Albedo 0.08
}
"Jupiter" "Sol"
{
Texture "jupiter.jpg"
HazeColor [ 0.4 0.45 0.5 ]
HazeDensity 0.3
Radius 71398
Oblateness 0.064
CustomOrbit "vsop87-jupiter"
EllipticalOrbit
{
Period 11.8622
SemiMajorAxis 5.2034
Eccentricity 0.0484
Inclination 1.3053
AscendingNode 100.556
LongOfPericenter 14.7539
MeanLongitude 34.404
}
RotationPeriod 9.927953 # System II (for GRS)
# RotationPeriod 9.92425 # System III (radio emissions)
Obliquity 2.222461 # 1.82246 # 2.22246
EquatorAscendingNode -22.203 # -1.87785 # -22.203
RotationOffset 16 # for correct location of GRS
# RotationOffset 305.40 # correct System III prime meridian
Albedo 0.51
}
"Amalthea" "Sol/Jupiter"
{
Texture "asteroid.jpg"
BlendTexture true
Color [ 0.5 0.12 0.16 ]
Mesh "amalthea.3ds"
Radius 124
EllipticalOrbit
{
Epoch 2452583.763194445 # 2002 Nov 5 06:19UT (Galileo encounter)
Period 0.49817905
SemiMajorAxis 181994.98
Eccentricity 0.0046637841
Inclination 0.39217201
AscendingNode 224.4139186
ArgOfPericenter 293.4707817
MeanAnomaly 319.3794140
}
Obliquity 0.0
RotationOffset 72.1
Albedo 0.06
}
"Io" "Sol/Jupiter"
{
Texture "io.jpg"
# Texture "io2k.dds"
Radius 1821
CustomOrbit "io"
EllipticalOrbit
{
Epoch 2443000.00038375
Period 1.769138
SemiMajorAxis 421600
Eccentricity 0.0041
Inclination 0.040
AscendingNode 312.981
LongOfPericenter 97.735
MeanLongitude 106.724
}
Obliquity 0.0
RotationOffset 220.8
Albedo 0.61
}
"Europa" "Sol/Jupiter"
{
Texture "europa.jpg"
Radius 1565
CustomOrbit "europa"
EllipticalOrbit
{
Epoch 2443000.00038375
Period 3.551810
SemiMajorAxis 670900
Eccentricity 0.0101
Inclination 0.470
AscendingNode 101.087
LongOfPericenter 155.512
MeanLongitude 176.377
}
Obliquity 0.0
RotationOffset 56.2
Albedo 0.64
}
"Ganymede" "Sol/Jupiter"
{
Texture "ganymede.jpg"
Radius 2634
CustomOrbit "ganymede"
EllipticalOrbit
{
Epoch 2443000.00038375
Period 7.154553
SemiMajorAxis 1070000
Eccentricity 0.0015
Inclination 0.195
AscendingNode 119.841
LongOfPericenter 188.831
MeanLongitude 121.206
}
Obliquity 0.1
EquatorAscendingNode 161.6
RotationOffset 262.1
Albedo 0.42
}
"Callisto" "Sol/Jupiter"
{
Texture "callisto.jpg"
Radius 2403
CustomOrbit "callisto"
EllipticalOrbit
{
Epoch 2443000.00038375
Period 16.689018
SemiMajorAxis 1883000
Eccentricity 0.007
Inclination 0.281
AscendingNode 323.265
LongOfPericenter 335.933
MeanLongitude 85.091
}
Obliquity 0.4
EquatorAscendingNode 160.6
RotationOffset 120.1
Albedo 0.20
}
"Saturn" "Sol"
{
Texture "saturn.jpg"
Color [ 1.0 1.0 0.85 ]
HazeColor [ 0.0 0.0 1 ]
HazeDensity 0.25
Radius 60330
Oblateness 0.1076
CustomOrbit "vsop87-saturn"
EllipticalOrbit
{
Period 29.4577
SemiMajorAxis 9.5371
Eccentricity 0.0542
Inclination 2.4845
AscendingNode 113.715
LongOfPericenter 92.432
MeanLongitude 49.944
}
RotationPeriod 10.65622 # System III (magnetic field)
Obliquity 28.049 # 28.052 # old value: 26.73
EquatorAscendingNode 169.530 # 168.8112 # 169.53
RotationOffset 358.922 # correct System III prime meridian
Albedo 0.50
Rings {
Inner 74658
Outer 140000
Texture "saturn-rings.png"
# Bjorn Jonsson <http://www.mmedia.is/~bjj> recommends this
# color for rendering Saturn's rings. No idea if it's right,
# but it looks nice
Color [ 1.0 0.88 0.82 ]
}
}
"Mimas" "Sol/Saturn"
{
Texture "mimas.jpg"
# Texture "white.jpg"
# BumpMap "mimasbump.jpg"
# BumpHeight 10.0
Color [ 0.75 0.63 0.58 ]
BlendTexture true
Radius 199
CustomOrbit "mimas"
EllipticalOrbit
{
Period 0.9424218
SemiMajorAxis 185520
Eccentricity 0.0202
Inclination 1.53
MeanAnomaly 23
}
Obliquity 1.5 #J2000.0
EquatorAscendingNode 137.8 #J2000.0
RotationOffset 190.7 #J2000.0
Albedo 0.5
}
"Enceladus" "Sol/Saturn"
{
Texture "enceladus.jpg"
Radius 249
CustomOrbit "enceladus"
EllipticalOrbit
{
Period 1.370218
SemiMajorAxis 238020
Eccentricity 0.0045
Inclination 0.02
MeanAnomaly 215
}
Obliquity 0.0
RotationOffset 322.9
Albedo 0.99
}
"Tethys" "Sol/Saturn"
{
Texture "tethys.jpg"
Radius 530
CustomOrbit "tethys"
EllipticalOrbit
{
Period 1.887802
SemiMajorAxis 294660
Eccentricity 0.0
Inclination 1.09
MeanAnomaly 98
}
Obliquity 0.0
RotationOffset 330.6
Albedo 0.9
}
"Dione" "Sol/Saturn"
{
Texture "dione.jpg"
Radius 560
CustomOrbit "dione"
EllipticalOrbit
{
Period 2.736915
SemiMajorAxis 377400
Eccentricity 0.0022
Inclination 0.02
MeanAnomaly 310
}
Obliquity 0.0
RotationOffset 317.1
Albedo 0.7
}
"Rhea" "Sol/Saturn"
{
Texture "rhea.jpg"
Radius 764
CustomOrbit "rhea"
EllipticalOrbit
{
Period 4.517500
SemiMajorAxis 527040
Eccentricity 0.0010
Inclination 0.35
MeanAnomaly 190
}
Obliquity 0.0
RotationOffset 195.0
Albedo 0.7
}
"Titan" "Sol/Saturn"
{
Texture "titan.jpg"
Color [ 1.0 0.9 0.75 ]
HazeColor [ 0.2 0.5 1 ]
HazeDensity 1
Radius 2575
Atmosphere {
Height 60
Lower [ 0.8 0.4 0.1 ]
Upper [ 0.0 0.0 0.9 ]
Sky [ 0.8 0.4 0.1 ]
}
CustomOrbit "titan"
EllipticalOrbit
{
Period 15.945421
SemiMajorAxis 1221850
Eccentricity 0.0292
Inclination 0.33
MeanAnomaly 120
}
Obliquity 0.6
EquatorAscendingNode 186.6
RotationOffset 318.9
Albedo 0.21
}
"Hyperion" "Sol/Saturn"
{
Mesh "hyperion.3ds"
Texture "asteroid.jpg"
Radius 205
CustomOrbit "hyperion"
EllipticalOrbit
{
Period 21.276609
SemiMajorAxis 1481100
Eccentricity 0.1042
Inclination 0.43
MeanAnomaly 350
}
# The rotation of Hyperion is chaotic; we don't attempt to model
# the rotation exactly, but instead use non-zero precession rate to
# make the rotation appear somewhat irregular.
Obliquity 25
RotationPeriod 336 # 13 days
PrecessionRate 15.65 # 23 days
Albedo 0.3
}
"Iapetus" "Sol/Saturn"
{
Texture "iapetus.jpg"
Radius 718
CustomOrbit "iapetus"
EllipticalOrbit
{
Period 79.330183
SemiMajorAxis 3561300
Eccentricity 0.0283
Inclination 7.52
MeanAnomaly 245
}
Obliquity 15.5
EquatorAscendingNode 213.7
RotationOffset 14.9
Albedo 0.2
}
"Phoebe" "Sol/Saturn"
{
Mesh "roughsphere.cms"
Texture "asteroid.jpg"
Radius 110
EllipticalOrbit
{
Epoch 2453168.0 # 2004 June 11 (Cassini encounter)
Period 548.21 # mean
SemiMajorAxis 12916143 # at epoch
Eccentricity 0.152920 # at epoch
Inclination 151.659503 # at epoch
AscendingNode 14.379445 # at epoch
ArgOfPericenter 281.133384 # at epoch
MeanAnomaly 31.543967 # at epoch
}
RotationPeriod 9.282
Obliquity 17.4
EquatorAscendingNode 259.9
RotationOffset 320.3
Albedo 0.05
}
"Uranus" "Sol"
{
Texture "uranus.jpg"
Color [ 0.75 0.85 1.0 ]
HazeColor [ 0.5 0.8 1.0 ]
HazeDensity 0.2
Radius 26200
Oblateness 0.024
CustomOrbit "vsop87-uranus"
EllipticalOrbit
{
Period 84.0139
SemiMajorAxis 19.1913
Eccentricity 0.0472
Inclination 0.7699
AscendingNode 74.230
LongOfPericenter 170.964
MeanLongitude 313.232
}
RotationPeriod 17.24 # System III (magnetic field)
Obliquity 97.81
EquatorAscendingNode 167.76
RotationOffset 331.18 # correct System III prime meridian
Albedo 0.66
Rings {
Inner 41800
Outer 51149
Texture "uranus-rings.png"
}
}
"Miranda" "Sol/Uranus"
{
Texture "miranda.jpg"
Radius 235
CustomOrbit "miranda"
EllipticalOrbit
{
Period 1.413
SemiMajorAxis 129800
Eccentricity 0.0027
Inclination 4.22
MeanAnomaly 120
}
RotationPeriod 33.92350159 # enforce sync rotation
Obliquity 0.0
RotationOffset 144.3
Albedo 0.32
}
"Ariel" "Sol/Uranus"
{
Texture "ariel.jpg"
Radius 576
CustomOrbit "ariel"
EllipticalOrbit
{
Period 2.520
SemiMajorAxis 191200
Eccentricity 0.0034
Inclination 0.31
MeanAnomaly 56
}
RotationPeriod 60.48909292 # enforce sync rotation
Obliquity 0.0
RotationOffset 18.8
Albedo 0.39
}
"Umbriel" "Sol/Uranus"
{
Texture "umbriel.jpg"
Radius 585
CustomOrbit "umbriel"
EllipticalOrbit
{
Period 4.144
SemiMajorAxis 266000
Eccentricity 0.0050
Inclination 0.36
MeanAnomaly 280
}
RotationPeriod 99.46022991 # enforce sync rotation
Obliquity 0.0
RotationOffset 66.9
Albedo 0.21
}
"Titania" "Sol/Uranus"
{
Texture "titania.jpg"
Radius 789
CustomOrbit "titania"
EllipticalOrbit
{
Period 8.706
SemiMajorAxis 435800
Eccentricity 0.0022
Inclination 0.10
MeanAnomaly 30
}
RotationPeriod 208.94077099 # enforce sync rotation
Obliquity 0.0
RotationOffset 97.2
Albedo 0.27
}
"Oberon" "Sol/Uranus"
{
Texture "oberon.jpg"
Radius 761
CustomOrbit "oberon"
EllipticalOrbit
{
Period 13.463
SemiMajorAxis 583600
Eccentricity 0.0008
Inclination 0.10
MeanAnomaly 150
}
RotationPeriod 323.117567539 # enforce sync rotation
Obliquity 0.0
RotationOffset 168.2
Albedo 0.23
}
"Neptune" "Sol"
{
Texture "neptune.jpg"
Color [ 0.75 0.75 1.0 ]
HazeColor [ 0.6 1 0.75 ]
HazeDensity 0.35
Radius 25225
Oblateness 0.027
CustomOrbit "vsop87-neptune"
EllipticalOrbit
{
Period 164.793
SemiMajorAxis 30.0690
Eccentricity 0.0086
Inclination 1.7692
AscendingNode 131.722
LongOfPericenter 44.971
MeanLongitude 304.880
}
RotationPeriod 16.11 # System III (magnetic field)
Obliquity 28.03
EquatorAscendingNode 49.235
RotationOffset 228.65 # correct System III prime meridian
Albedo 0.62
}
"Proteus" "Sol/Neptune"
{
Mesh "proteus.3ds"
Texture "asteroid.jpg"
Radius 218
EllipticalOrbit
{
Epoch 2450085.5 # 1996 Jan 3 00:00UT
Period 1.122315 # mean
SemiMajorAxis 117600 # mean
Eccentricity 0.0004 # mean
Inclination 1.101 # at epoch
AscendingNode 327.378 # at epoch
ArgOfPericenter 277.888 # at epoch
MeanAnomaly 206.367 # at epoch
}
Obliquity 0.6
EquatorAscendingNode 331.0
RotationOffset 277.8
Albedo 0.061
}
"Triton" "Sol/Neptune"
{
Texture "triton.jpg"
Radius 1353
Atmosphere {
Height 1
Lower [ 0.5 0.5 0.5 ]
Upper [ 0.5 0.5 0.5 ]
Sky [ 0.0 0.0 0.0 ]
}
EllipticalOrbit
{
Epoch 2447763.5 # 1989 Aug 25 00:00UT (Voyager encounter)
Period 5.8768541 # mean
SemiMajorAxis 354765.286 # at epoch
Eccentricity 0.00002285 # at epoch
Inclination 156.826240 # at epoch
#AscendingNode 172.426656 # at epoch
AscendingNode 147.899288 # at epoch
ArgOfPericenter 293.092400 # at epoch
MeanAnomaly 315.726316 # at epoch
}
RotationEpoch 2447763.5 # 1989 Aug 25 00:00UT (Voyager encounter)
Obliquity 156.8 # at epoch
EquatorAscendingNode 147.9 # at epoch
RotationOffset 71.5 # at epoch
Albedo 0.756
}
"Nereid" "Sol/Neptune"
{
Mesh "asteroid.cms"
Texture "asteroid.jpg"
Radius 170
EllipticalOrbit
{
Epoch 2447763.5 # 1989 Aug 25 00:00UT (Voyager encounter)
Period 360.13619 # mean
SemiMajorAxis 5513400 # mean
Eccentricity 0.7512 # mean
Inclination 28.385 # at epoch
AscendingNode 190.678 # at epoch
ArgOfPericenter 17.690 # at epoch
MeanAnomaly 36.056 # at epoch
}
Albedo 0.155
}
"Pluto" "Sol"
{
Texture "pluto.jpg"
BumpMap "plutobump1k.jpg"
BumpHeight 2.5
Radius 1137
CustomOrbit "pluto"
EllipticalOrbit
{
Period 248.54
SemiMajorAxis 39.48168677
Eccentricity 0.24880766
Inclination 17.14175
AscendingNode 110.30347
LongOfPericenter 224.06776
MeanLongitude 238.92881
}
RotationPeriod 153.293904
Obliquity 115.60
EquatorAscendingNode 228.34
RotationOffset 320.75
Albedo 0.55
}
"Charon" "Sol/Pluto"
{
Texture "charon.jpg"
Radius 586
InfoURL "http://www.nineplanets.org/pluto.html#Charon"
EllipticalOrbit
{
Period 6.387246
SemiMajorAxis 19636
Eccentricity 0.0002
Inclination 0.0048
AscendingNode 93.5582
ArgOfPericenter 133.7606
MeanAnomaly 93.4395
}
Obliquity 1.0
EquatorAscendingNode 287.6
RotationOffset 213.3
Albedo 0.35
}
"Galileo" "Sol"
{
Class "spacecraft"
Mesh "galileo.3ds"
Radius 0.01
InfoURL "http://galileo.jpl.nasa.gov"
Beginning "1989 10 19 02:47" # Launch
Ending "2003 9 21 10:44" # Crash into Jupiter
SampledOrbit "galileo.xyz"
EllipticalOrbit
{
Period 64.4068
SemiMajorAxis 4632880
Eccentricity 0.831774
Inclination 4.213
AscendingNode 59.562
ArgOfPericenter 97.224
TrueAnomaly -66.619
}
RotationPeriod 1.0e9 # Essentially no rotation . . .
Orientation [ 90 0 1 0 ]
Albedo 0.50
}
# A few main belt asteroids . .
"Ceres" "Sol"
{
Class "asteroid"
Texture "asteroid.jpg"
Radius 456
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
}
RotationPeriod 9.075
RotationEpoch 2449249.91125 # 1993 Sep 19 09:52:12UT
Obliquity 11
EquatorAscendingNode 29
RotationOffset 339.85
Albedo 0.113
}
"Pallas" "Sol"
{
Class "asteroid"
Texture "asteroid.jpg"
Radius 260
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
}
RotationPeriod 7.81323264
Obliquity 102
EquatorAscendingNode 162
RotationOffset 352.77
Albedo 0.159
}
"Juno" "Sol"
{
Class "asteroid"
Texture "asteroid.jpg"
Radius 120
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
}
RotationPeriod 7.811
Obliquity 56
EquatorAscendingNode 196
Albedo 0.238
}
"Vesta" "Sol"
{
Class "asteroid"
Mesh "vesta.3ds"
Texture "asteroid.jpg"
Radius 265
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
}
RotationPeriod 5.342
RotationEpoch 2450124.90833 # 1996 May 11 09:48UT
Obliquity 40
EquatorAscendingNode 91
RotationOffset 145.77
Albedo 0.423
}
# Some of the asteroids visited by spacecraft
"Gaspra" "Sol"
{
Class "asteroid"
Mesh "gaspra.3ds"
#Texture "asteroid.jpg"
Texture "gaspramosaic.jpg" # Phil Stooke
Color [ 0.52 0.47 0.42 ]
BlendTexture true
Radius 9.5
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
}
RotationPeriod 7.042073
Obliquity 69.28
EquatorAscendingNode 109.59
RotationOffset 238.865
Albedo 0.1
}
"Ida" "Sol"
{
Class "asteroid"
Mesh "ida.3ds"
#Texture "asteroid.jpg"
Texture "idamosaic.jpg" # Phil Stooke
Radius 45
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
}
Orientation [ 180 1 0 0 ] # retrograde rotation
RotationPeriod 4.633632
Obliquity 156.96
EquatorAscendingNode 352.77
RotationOffset 179.46
Albedo 0.24
}
"Dactyl" "Sol/Ida"
{
# Data for Dactyl taken from:
# Petit et al.: The Long-Term Dynamics of Dactyl's Orbit
# (Icarus 1997: 130; 177-197)
InfoURL "http://www.lpl.arizona.edu/~hurfordt/research/papers/Icarus130.pdf"
Class "asteroid"
Texture "asteroid.jpg"
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.)
}
RotationOffset 123 # place prime meridian facing Ida
Albedo 0.2
}
"Eros" "Sol"
{
Class "asteroid"
Mesh "eros.3ds"
Texture "eros.jpg"
# NormalMap "erosbump2k.jpg"
# Color sampled from true color photo taken by NEAR
Color [ 0.52 0.47 0.42 ]
BlendTexture true
Radius 16.5
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
}
RotationPeriod 5.270
Obliquity 78.70
EquatorAscendingNode 107.23
RotationOffset 158.165
Albedo 0.16
}
# Radar-imaged asteroids
"Toutatis" "Sol"
{
Class "asteroid"
Mesh "toutatis.3ds"
Texture "asteroid.jpg"
# We'll just use the same color as Eros
Color [ 0.52 0.47 0.42 ]
BlendTexture true
Radius 2.3
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
}
Orientation [ -90 1 0 0 ]
RotationPeriod 129.6 # 5.41 days
Obliquity 145
PrecessionRate -48.98 # 7.35 day period
Albedo 0.16
}
"Geographos" "Sol"
{
Class "asteroid"
Mesh "geographos.3ds"
Texture "asteroid.jpg"
# We'll just use the same color as Eros
Color [ 0.52 0.47 0.42 ]
BlendTexture true
Radius 2.555
InfoURL "http://www-personal.engin.umich.edu/~scheeres/reprints/Icarus_geographos.pdf"
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
}
Orientation [ 90 1 0 0 ]
RotationPeriod 5.223
Obliquity 136
EquatorAscendingNode 145
Albedo 0.326
}
"Kleopatra" "Sol"
{
Class "asteroid"
Mesh "kleopatra.3ds"
Texture "asteroid.jpg"
# We'll just use the same color as Eros
Color [ 0.52 0.47 0.42 ]
BlendTexture true
Radius 109
InfoURL "http://www-personal.engin.umich.edu/~scheeres/reprints/Science_kleopatra.pdf"
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
}
Orientation [ 90 1 0 0 ]
RotationPeriod 5.385
Obliquity 63
EquatorAscendingNode 162
Albedo 0.16
# Class M
}
"1998 KY26" "Sol"
{
Class "asteroid"
Mesh "ky26.3ds"
Texture "asteroid.jpg"
# We'll just use the same color as Eros
Color [ 0.52 0.47 0.42 ]
BlendTexture true
Radius 0.015
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
}
Orientation [ 90 1 0 0 ]
RotationPeriod 0.178
Albedo 0.15
}
"Bacchus" "Sol"
{
Class "asteroid"
Mesh "bacchus.3ds"
Texture "asteroid.jpg"
# We'll just use the same color as Eros
Color [ 0.52 0.47 0.42 ]
BlendTexture true
Radius 0.55
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
}
Orientation [ 90 1 0 0 ]
RotationPeriod 14.90
Obliquity 116
EquatorAscendingNode 114
Albedo 0.15
}
"Golevka" "Sol"
{
Class "asteroid"
Mesh "golevka.3ds"
Texture "asteroid.jpg"
# We'll just use the same color as Eros
Color [ 0.52 0.47 0.42 ]
BlendTexture true
Radius 0.34
InfoURL "http://www2.crl.go.jp/ka/radioastro/people/koyama/golevka.pdf"
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
}
Orientation [ 90 1 0 0 ]
RotationPeriod 6.0289
Obliquity 135
EquatorAscendingNode 292
Albedo 0.15
}
"Castalia" "Sol"
{
Class "asteroid"
Mesh "castalia.3ds"
Texture "asteroid.jpg"
# We'll just use the same color as Eros
Color [ 0.52 0.47 0.42 ]
BlendTexture true
Radius 2.0
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
}
Orientation [ 90 1 0 0 ]
RotationPeriod 4.095
Obliquity 146
EquatorAscendingNode 325
Albedo 0.15
}
# Comets
"Halley" "Sol"
{
Class "comet"
Mesh "borrelly.cms" #similar 2:1 proportions to Borrelly
Texture "asteroid.jpg"
Radius 7.5
EllipticalOrbit
{
Epoch 2449400.5 #1994 Feb 17 00:00UT
Period 75.31589
SemiMajorAxis 17.834144
Eccentricity 0.967143
Inclination 162.262690
AscendingNode 58.420081
ArgOfPericenter 111.332485
MeanAnomaly 38.384264
}
# chaotic rotation, imperfectly defined:
# this version from "The New Solar System", 4th Edition; Eds.
# JK Beatty, CC Petersen, A Chaikin
Orientation [ 90 0 0 1 ] # rotates around long axis
RotationPeriod 170 # 7.1 day axial rotation period
Obliquity 66
PrecessionRate 97 # 3.7 day precession period
Albedo 0.04
}
"Borrelly" "Sol"
{
Class "comet"
Mesh "borrelly.cms"
Texture "asteroid.jpg"
Radius 2.2
InfoURL "http://www.lpi.usra.edu/meetings/lpsc2002/pdf/1256.pdf"
EllipticalOrbit
{
Epoch 2452174.5 # 2001 Sep 22 00:00UT
Period 6.86302
SemiMajorAxis 3.611363
Eccentricity 0.623908
Inclination 30.324612
AscendingNode 75.424869
ArgOfPericenter 353.375385
MeanAnomaly 358.956091
}
RotationPeriod 25
Obliquity 90
EquatorAscendingNode 315
Albedo 0.04
}
"Ikeya-Zhang" "Sol"
{
Class "comet"
Texture "asteroid.jpg"
Mesh "roughsphere.cms"
EllipticalOrbit
{
Epoch 2452352.47847 # 2002 Mar 18 23:29UT
Period 367.181906
SemiMajorAxis 51.276792
Eccentricity 0.990111
Inclination 28.1206
AscendingNode 93.3718
ArgOfPericenter 34.6666
MeanAnomaly 0
}
# These are all made up (copied from Halley)
Radius 7.5
RotationPeriod 170
Albedo 0.04
}
# Centaurs
"Chiron" "Sol"
{
Class "asteroid"
Texture "asteroid.jpg"
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
}
RotationPeriod 5.918
Albedo 0.048
}
# Kuiper belt objects
# 20000 Varuna
"Varuna" "Sol"
{
Class "asteroid"
Texture "asteroid.jpg"
Radius 450
InfoURL "http://www.ifa.hawaii.edu/faculty/jewitt/papers/VARUNA2/JS2002.pdf"
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
}
RotationPeriod 6.3442 # for a double-peaked light curve
Albedo 0.4
}
# 2001 KX76
"Ixion" "Sol"
{
Class "asteroid"
Texture "asteroid.jpg"
Radius 600
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
}
RotationPeriod 30.0
Albedo 0.07
}