~~双行星的制作方法~~
ReferencePoint "Pluto-Charon" "Sol" (双行星质量中心名称)
{
CustomOrbit "pluto"(自定义轨道)
Visible false (让质心看不到)
}
"Pluto:134340 Pluto" "Sol"
{
Class "dwarfplanet" (dwarfplanet矮行星,minormoon小卫星,comet彗星)
Texture "pluto.*"
Radius 1151
OrbitFrame { EquatorJ2000 { Center "Sol/Pluto-Charon" } }(“”号内为绕行的质心)
BodyFrame { EclipticJ2000 { Center "Sol/Pluto-Charon" } }(“”号内为绕行的质心)
EllipticalOrbit
{
Epoch2452600.5 (纪元,儒略日或是公元年,这里是儒略日)
Period 6.387206
SemiMajorAxis 2043.1
Eccentricity 0.003484
Inclination 96.1680
AscendingNode 223.0539
ArgOfPericenter 337.92
MeanLongitude 77.960 (不同的轨道进动)
}
UniformRotation
{
Period153.292944
Inclination115.60
AscendingNode228.34 (相位角)
MeridianAngle320.75 (相位角)
}
Albedo 0.55
}
"Charon:Pluto I:134340 Pluto I:1978 P 1" "Sol/Pluto"
{
Texture "charon.*"
Radius 593
OrbitFrame { EquatorJ2000 { Center "Sol/Pluto-Charon" } }
BodyFrame { EclipticJ2000 { Center "Sol/Pluto-Charon" } }
EllipticalOrbit
{
Epoch2452600.5
Period 6.387206
SemiMajorAxis 17527.4
Eccentricity 0.003484
Inclination 96.1680
AscendingNode 223.0539
ArgOfPericenter 157.92
MeanLongitude 257.960
}
UniformRotation
{
Period
153.292944
Inclination 115.9
AscendingNode 227.3
MeridianAngle 140.4
}
Albedo 0.35
}