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New Pluto-Charon orbits, from Tholen et al.; updated GRS longitude

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This commit is contained in:
Grant Hutchison 2008-01-04 00:02:37 +00:00
parent d4dc92f046
commit bc627cd5a0
1 changed files with 32 additions and 27 deletions
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59
data/solarsys.ssc
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@ -308,13 +308,13 @@ AltSurface "limit of knowledge" "Sol/Mercury"
UniformRotation
{
Period 9.927953 # System II (for GRS)
# Period 9.92425 # System III (radio emissions)
Inclination 2.222461 # 1.82246 # 2.22246
AscendingNode -22.203 # -1.87785 # -22.203
MeridianAngle 12 # for correct location of GRS
# (equal to 101 minus current W longitude of GRS)
# MeridianAngle 305.40 # correct System III prime meridian
Period 9.927953 # System II (for GRS)
# Period 9.92425 # System III (radio emissions)
Inclination 2.222461 # 1.82246 # 2.22246
AscendingNode -22.203 # -1.87785 # -22.203
MeridianAngle 342 # for correct location of GRS
# (equal to 461 minus current W longitude of GRS)
# MeridianAngle 305.40 # correct System III prime meridian
}
Albedo 0.51
@ -1295,6 +1295,9 @@ ReferencePoint "Pluto-Charon" "Sol"
CustomOrbit "pluto"
}
# Updated from "Masses of Nix and Hydra" Tholen et al.
# http://arxiv.org/ftp/arxiv/papers/0712/0712.1261.pdf
"Pluto" "Sol"
{
Texture "pluto-lok.*"
@ -1314,21 +1317,22 @@ ReferencePoint "Pluto-Charon" "Sol"
EllipticalOrbit
{
Period 6.387246
SemiMajorAxis 2411 # mass ratio of 0.123
Eccentricity 0.0002
Inclination 96.177
AscendingNode 223.052
ArgOfPericenter 314.540
MeanAnomaly 169.750
Epoch 2452600.5 # 2002 Nov 22
Period 6.387206 # mean
SemiMajorAxis 2043.1 # mass ratio of 0.1166
Eccentricity 0.003484 # mean
Inclination 96.1680 # mean
AscendingNode 223.0539 # mean
ArgOfPericenter 337.92 # mean
MeanLongitude 77.960
}
UniformRotation
{
Period 153.293904
Inclination 115.60
AscendingNode 228.34
MeridianAngle 320.75
Period 153.292944
Inclination 115.60
AscendingNode 228.34
MeridianAngle 320.75
}
Albedo 0.55
@ -1348,6 +1352,7 @@ AltSurface "limit of knowledge" "Sol/Pluto"
SpecularTexture "charon-lok-spec.*"
SpecularColor [ 0.135 0.12 0.08 ]
SpecularPower 9.5
Radius 593
InfoURL "http://www.nineplanets.org/pluto.html#Charon"
@ -1362,18 +1367,19 @@ AltSurface "limit of knowledge" "Sol/Pluto"
EllipticalOrbit
{
Period 6.387246
SemiMajorAxis 17188 # mass ratio of 0.123
Eccentricity 0.0002
Inclination 96.177
AscendingNode 223.052
ArgOfPericenter 134.540
MeanAnomaly 169.750
Epoch 2452600.5 # 2002 Nov 22
Period 6.387206
SemiMajorAxis 17527.4 # mass ratio of 0.1166
Eccentricity 0.003484 # mean
Inclination 96.1680 # mean
AscendingNode 223.0539 # mean
ArgOfPericenter 157.92 # mean
MeanLongitude 257.960
}
UniformRotation
{
Period 153.293904
Period 153.292944
Inclination 115.9
AscendingNode 227.3
MeridianAngle 140.4
@ -1389,4 +1395,3 @@ AltSurface "limit of knowledge" "Sol/Pluto/Charon"
SpecularColor [ 0.135 0.12 0.08 ]
SpecularPower 9.5
}