Star "Shredder A" { ParentBody "Shredder" // = name of StarBarycenter in the stars catalog Class "X" // black hole “spectral class” MassSol 150.0 // in Solar units, radius will be computed automatically //Lum 0.0 // a black hole has zero luminosity – don’t specify any // rotational parameters Obliquity 16 EqAscNode 64 RotationPeriod 1.0e-7 // black holes rotate really fast!// accretion disk AccretionDisk { Radius 0.002 // in AU Temperature 3000 // in Kelvin Luminosity 150 // in Solar luminosities Brightness 1 // render brightness scale Density 9 // some magic value TwistMagn 90 // some magic value } Star "Shredder B" { ParentBody "Shredder" // = name of StarBarycenter in the stars catalog Class "X" // black hole “spectral class” MassSol 7.0 // in Solar units, radius will be computed automatically //Lum 0.0 // a black hole has zero luminosity – don’t specify any // rotational parameters Obliquity 16 EqAscNode 64 RotationPeriod 1.0e-7 // black holes rotate really fast!// accretion disk AccretionDisk { Radius 0.00002 // in AU Temperature 3000 // in Kelvin Luminosity 150 // in Solar luminosities Brightness 1 // render brightness scale Density 5 // some magic value TwistMagn 20 // some magic value } StarBarycenter "Shredder" { RA 89 60 16 // right ascension Dec 98 56 10 // declination Dist 109.567 // distance from the Sun // That’s enough, the StarBarycenter tag doesn’t need the other parameters (see below). }