# # Alphan System Data File # $Revision: 1.8 $ - $Date: 2007/08/06 14:53:13 $ # by Jimmy "Gregor" McKinney # # TTA concept and material originally published # as Spacecraft 2000 to 2100 AD # Copyright ©1990 Stewart Cowley # and licensed to Morrigan Press Inc. # Used with permission # System/Star name: Rigel Kentaurus A # Stellar Mass: 1.1 solar masses # Stellar Radius: 1.227 solar radii / 853992 km / 0.00570858392606371 AU # Luminosity: 1.519 solar luminosities # Distance: 4.365 light-years # Notes: # # Rigel Kentaurus A 1: Alpha I -- 0.776999974623064 mE 0.9292 rE 1.15 AU 0.0173 ecc # Rigel Kentaurus A 2: Alpha II -- 0.084662979 mE 0.4896 rE 2.25 AU 0.0908 ecc # Rigel Kentaurus A 3: Alpha III -- 10.68303762 mE 3.9687 rE 6.75 AU 0.00086 ecc # Rigel Kentaurus A 4: Alpha Null -- 0.000879514094958428 mE 0.1326 rE 0.43709 AU 0.2 ecc # Name: Alpha I (Rigel Kentaurus A 1) # Notes: Terrestrial # Mass: 0.776999974623064 earth masses # Radius: 5926.5649004 km / 0.9292 earth radii # Semimajor Axis: 1.15 AU # Period: 1.17584051145669 years # Rotation Period: 25.23 hours # Gravity: 0.899917303298993 g # Density: 5.33926398309013 g/cm^3 # Volume: 0.802283025088 earth volumes # Roche Limit: 14365.9933185696 km # Hill Sphere Radius: 1507855.10473751 km / 0.0100793888159815 AU # "Alpha I" "Rigel Kentaurus A" { Class "planet" Radius 5926.5649004 Obliquity 19.765 RotationPeriod 25.23 Texture "alpha1.*" BumpMap "alpha1-bump.*" BumpHeight 3 SpecularTexture "alpha1-spec.*" SpecularPower 25 NightTexture "alpha1-night.*" Albedo 0.358 EllipticalOrbit { SemiMajorAxis 1.15 Period 1.17584051145669 Eccentricity 0.0173 Inclination 0.00093 } InfoURL "http://www.niflheim.net/tta/worlds/alpha.html#a1" } Modify "Alpha I" "Rigel Kentaurus A" { Oblateness 0.002906 RotationOffset 280.5 # offset at default epoch J2000 Atmosphere { Height 60 Lower [ 0.43 0.52 0.65 ] Upper [ 0.26 0.47 0.84 ] Sky [ 0.40 0.6 1.0 ] Sunset [ 1.0 0.6 0.2 ] # Sunset [ 0.3 1.0 0.5 ] CloudHeight 7 CloudSpeed 65 CloudMap "alpha1-clouds.*" # Celestia 1.5.0 atmosphere data Mie 0.001 MieAsymmetry -0.25 Rayleigh [ 0.001 0.0025 0.006 ] MieScaleHeight 12 } } # Name: Alpha II (Rigel Kentaurus A 2) # Notes: Martian # Mass: 0.084662979 earth masses # Radius: 3122.7358752 km / 0.4896 earth radii # Semimajor Axis: 2.25 AU # Period: 3.21793407196637 years # Rotation Period: 42.05 hours # Gravity: 0.353191893842913 g # Density: 3.97701574909309 g/cm^3 # Volume: 0.117361115136 earth volumes # Roche Limit: 7569.5117614848 km # Hill Sphere Radius: 1303687.81506982 km / 0.00871461478059832 AU # "Alpha II" "Rigel Kentaurus A" { Class "planet" Radius 3122.7358752 Obliquity 5.72 RotationPeriod 42.05 Texture "mars.*" BumpMap "mars-bump.*" BumpHeight 3 SpecularTexture "mars-spec.*" SpecularPower 25 NightTexture "mars-night.*" Albedo 0.096 EllipticalOrbit { SemiMajorAxis 2.25 Period 3.21793407196637 Eccentricity 0.0908 Inclination 6.8506 } InfoURL "http://www.niflheim.net/tta/worlds/alpha.html#a2" } Modify "Alpha II" "Rigel Kentaurus A" { Oblateness 0.00649 LunarLambert 0.95 EquatorAscendingNode 82.91 RotationOffset 136.005 Atmosphere { Height 30 Lower [ 0.8 0.6 0.6 ] Upper [ 0.7 0.3 0.3 ] Sky [ 0.83 0.75 0.65 ] Sunset [ 0.7 0.7 0.8 ] # Celestia 1.5.0 atmosphere data Mie 0.0024 MieAsymmetry -0.15 Rayleigh [ 0.0010 0.0006 0.0003 ] Absorption [ 0 0 0 ] MieScaleHeight 20 } } # Name: Alpha III (Rigel Kentaurus A 3) # Notes: Jovian, ringed # Mass: 10.68303762 earth masses # Radius: 25312.9123119 km / 3.9687 earth radii # Semimajor Axis: 6.75 AU # Period: 16.7148937498333 years # Rotation Period: 20.91 hours # Gravity: 0.678263138897842 g # Density: 0.942188798534483 g/cm^3 # Volume: 62.509325615703 earth volumes # Roche Limit: 61358.4994440456 km # Hill Sphere Radius: 21557357.1766313 km / 0.14410203218172 AU # "Alpha III" "Rigel Kentaurus A" { Class "planet" Radius 25312.9123119 Obliquity 17.03 RotationPeriod 20.91 Texture "alpha3.*" BumpMap "alpha3-bump.*" BumpHeight 3 SpecularTexture "alpha3-spec.*" SpecularPower 25 NightTexture "alpha3-night.*" Albedo 0.62 EllipticalOrbit { SemiMajorAxis 6.75 Period 16.7148937498333 Eccentricity 0.00086 Inclination 5.7692 } InfoURL "http://www.niflheim.net/tta/worlds/alpha.html#a3" } Modify "Alpha III" "Rigel Kentaurus A" { Oblateness 0.07403 EquatorAscendingNode 49.235 RotationOffset 28.65 EllipticalOrbit { AscendingNode 131.722 LongOfPericenter 44.971 MeanLongitude 304.880 } Rings { Inner 37500 Outer 73220 Texture "alpha3-rings.png" } } # Name: Alpha Null (Rigel Kentaurus A 4) # Notes: Asteroid # Mass: 0.000879514094958428 earth masses # Radius: 845.7409662 km / 0.1326 earth radii # Semimajor Axis: 0.43709 AU # Period: 0.275524331570082 years # Rotation Period: 9.075 hours # Gravity: 0.0500213899841907 g # Density: 2.07969776005161 g/cm^3 # Volume: 0.002331473976 earth volumes # Roche Limit: 2050.0761020688 km # Hill Sphere Radius: 48623.058277148 km / 0.000325025069224285 AU # "Alpha Null" "Rigel Kentaurus A" { Class "planet" Radius 845.7409662 Obliquity 22.1 RotationPeriod 9.075 Texture "asteroid.*" BumpMap "asteroid-bump.*" BumpHeight 3 SpecularTexture "asteroid-spec.*" SpecularPower 25 NightTexture "asteroid-night.*" Albedo 0.113 EllipticalOrbit { SemiMajorAxis 0.43709 Period 0.275524331570082 Eccentricity 0.2 Inclination 12.303 } InfoURL "http://www.niflheim.net/tta/worlds/alpha.html#a0" } Modify "Alpha Null" "Rigel Kentaurus A" { Class "asteroid" EquatorAscendingNode 19 RotationOffset 112 EllipticalOrbit { AscendingNode 60.483 } } # Alpha Null -- moon system data # 1: Alpha Null a -- 0.000000346552375796238 mE 0.00972070684590187 rE Semimajor km 0.05 ecc # 2: Alpha Null b -- 0.00000181012362176623 mE 0.0148946314574303 rE 0.43709 km 0.05 ecc # Moon 1 Name: Alpha Null a # Planet: Alpha Null # Mass: 0.000000346552375796238 earth masses # Radius: 62 km / 0.00972070684590187 earth radii # Semimajor Axis: 6531.1 km # Period: 2.0381405377891 days # Rotation Period: Tidally locked # Density: 2.08 g/cm^3 # Gravity: 0.00366752589143405 g # Volume: 0.000000918530407579163 earth volumes # Roche Limit: 1495.63810395547 km # Apparent Diameter: 1.08769168545048 degrees # Notes: # "Alpha Null a" "Rigel Kentaurus A/Alpha Null" { Class "moon" Radius 62 Obliquity 297.01 Texture "asteroid.*" BumpMap "asteroid-bump.*" BumpHeight 0.3 SpecularTexture "asteroid-spec.*" SpecularPower 25 NightTexture "asteroid-night.*" Albedo 0.22 EllipticalOrbit { SemiMajorAxis 6531.1 Period 2.0381405377891 Eccentricity 0.05 Inclination 0.14 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#a1a" } Modify "Alpha Null a" "Rigel Kentaurus A/Alpha Null" { Mesh "vesta.cmod" EquatorAscendingNode 48.42 RotationOffset 272.34 EllipticalOrbit { AscendingNode 50 } } # Moon 2 Name: Alpha Null b # Planet: Alpha Null # Mass: 0.00000181012362176623 earth masses # Radius: 95.0000000000001 km / 0.0148946314574303 earth radii # Semimajor Axis: 15017 km # Period: 7.10606863689945 days # Rotation Period: Tidally locked # Density: 3.02 g/cm^3 # Gravity: 0.00815922129538173 g # Volume: 0.00000330437467774742 earth volumes # Roche Limit: 2023.84493462861 km # Apparent Diameter: 0.724886280262821 degrees # Notes: # "Alpha Null b" "Rigel Kentaurus A/Alpha Null" { Class "moon" Radius 95.0000000000001 Obliquity 245.01 Texture "asteroid.*" BumpMap "asteroid-bump.*" BumpHeight 0.3 SpecularTexture "asteroid-spec.*" SpecularPower 25 NightTexture "asteroid-night.*" Albedo 0.17 EllipticalOrbit { SemiMajorAxis 15017 Period 7.10606863689945 Eccentricity 0.05 Inclination 0.2 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#plan-b" } Modify "Alpha Null b" "Rigel Kentaurus A/Alpha Null" { Mesh "ida.cmod" EquatorAscendingNode 48.42 RotationOffset 219.14 } # Alpha I -- moon system data # 1: Alpha Ia -- 0.0245307948343425 mE 0.3189 rE Semimajor km 0.0549 ecc # Moon 1 Name: Alpha Ia # Planet: Alpha I # Mass: 0.0245307948343425 earth masses # Radius: 2033.9878893 km / 0.3189 earth radii # Semimajor Axis: 225073 km # Period: 13.8723687954509 days # Rotation Period: Tidally locked # Density: 4.17 g/cm^3 # Gravity: 0.241214039542899 g # Volume: 0.032431240269 earth volumes # Roche Limit: 74464.197464783 km # Apparent Diameter: 1.03545280137276 degrees # Notes: # "Alpha Ia" "Rigel Kentaurus A/Alpha I" { Class "moon" Radius 2033.9878893 Obliquity 17.99 Texture "titan.*" BumpMap "titan-bump.*" BumpHeight 0.3 SpecularTexture "titan-spec.*" SpecularPower 25 NightTexture "titan-night.*" Albedo 0.07 EllipticalOrbit { SemiMajorAxis 225073 Period 13.8723687954509 Eccentricity 0.0549 Inclination 5.15 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#a1a" } Modify "Alpha Ia" "Rigel Kentaurus A/Alpha I" { BumpMap "moonbump.*" RotationOffset 38 LunarLambert 0.7 } # Alpha III -- moon system data # 1: Alpha IIIa -- 0.0107810992598208 mE 0.2818 rE Semimajor km 0.00034 ecc # 2: Alpha IIIb -- 0.203795349505296 mE 0.7306 rE 6.75 km 0.0107 ecc # 3: Alpha IIIc -- 3.76963359332487 mE 1.7 rE Semimajor km 0.0072 ecc # 4: Alpha IIId -- 0.0416360291623231 mE 0.4303 rE 212893 km 0.03401 ecc # Moon 1 Name: Alpha IIIa # Planet: Alpha III # Mass: 0.0107810992598208 earth masses # Radius: 1797.3590066 km / 0.2818 earth radii # Semimajor Axis: 212893 km # Period: 3.44168185930427 days # Rotation Period: Tidally locked # Density: 2.656 g/cm^3 # Gravity: 0.135762887719935 g # Volume: 0.022378087432 earth volumes # Roche Limit: 124084.15691395 km # Apparent Diameter: 0.967352615332706 degrees # Notes: # "Alpha IIIa" "Rigel Kentaurus A/Alpha III" { Class "moon" Radius 1797.3590066 Obliquity 17.99 Texture "ganymede.*" BumpMap "ganymede-bump.*" BumpHeight 0.3 SpecularTexture "ganymede-spec.*" SpecularPower 25 NightTexture "ganymede-night.*" Albedo 0.23 EllipticalOrbit { SemiMajorAxis 212893 Period 3.44168185930427 Eccentricity 0.00034 Inclination 4.34 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#a3a" } Modify "Alpha IIIa" "Rigel Kentaurus A/Alpha III" { EquatorAscendingNode 14 RotationOffset 15 LunarLambert 0.95 } # Moon 2 Name: Alpha IIIb # Planet: Alpha III # Mass: 0.203795349505296 earth masses # Radius: 4659.8668922 km / 0.7306 earth radii # Semimajor Axis: 338000 km # Period: 6.88499612670373 days # Rotation Period: Tidally locked # Density: 2.881 g/cm^3 # Gravity: 0.381799129330673 g # Volume: 0.389977008616 earth volumes # Roche Limit: 313100.156109849 km # Apparent Diameter: 1.57942647510357 degrees # Notes: # "Alpha IIIb" "Rigel Kentaurus A/Alpha III" { Class "moon" Radius 4659.8668922 Obliquity 0 Texture "moon.*" BumpMap "moon-bump.*" BumpHeight 0.3 SpecularTexture "moon-spec.*" SpecularPower 25 NightTexture "moon-night.*" Albedo 0.36 EllipticalOrbit { SemiMajorAxis 338000 Period 6.88499612670373 Eccentricity 0.0107 Inclination 0 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#a3b" } Modify "Alpha IIIb" "Rigel Kentaurus A/Alpha III" { EquatorAscendingNode 17.3 RotationOffset -13.7 BumpMap "mercury.*" LunarLambert 0.4 } # Moon 3 Name: Alpha IIIc # Planet: Alpha III # Mass: 3.76963359332487 earth masses # Radius: 10842.8329 km / 1.7 earth radii # Semimajor Axis: 536400 km # Period: 13.7645432147106 days # Rotation Period: Tidally locked # Density: 4.23 g/cm^3 # Gravity: 1.30437148557954 g # Volume: 4.913 earth volumes # Roche Limit: 640993.316565211 km # Apparent Diameter: 2.31510227794763 degrees # Notes: # "Alpha IIIc" "Rigel Kentaurus A/Alpha III" { Class "moon" Radius 10842.8329 Obliquity 5 Texture "europa.*" BumpMap "europa-bump.*" BumpHeight 0.3 SpecularTexture "europa-spec.*" SpecularPower 25 NightTexture "europa-night.*" Albedo 0.41 EllipticalOrbit { SemiMajorAxis 536400 Period 13.7645432147106 Eccentricity 0.0072 Inclination 0 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#a3c" } Modify "Alpha IIIc" "Rigel Kentaurus A/Alpha III" { EquatorAscendingNode 121 RotationOffset 27.2 BumpMap "tethys.*" LunarLambert 0.84 } # Moon 4 Name: Alpha IIId # Planet: Alpha III # Mass: 0.0416360291623231 earth masses # Radius: 2744.5123511 km / 0.4303 earth radii # Semimajor Axis: 10011364 km # Period: 1109.86083939153 days # Rotation Period: Tidally locked # Density: 2.881 g/cm^3 # Gravity: 0.224867458733902 g # Volume: 0.079673526127 earth volumes # Roche Limit: 184405.963829822 km # Apparent Diameter: 0.0314140927814975 degrees # Notes: # "Alpha IIId" "Rigel Kentaurus A/Alpha III" { Class "moon" Radius 2744.5123511 Obliquity 7.02 Texture "titan.*" BumpMap "titan-bump.*" BumpHeight 0.3 SpecularTexture "titan-spec.*" SpecularPower 25 NightTexture "titan-night.*" Albedo 0.244 EllipticalOrbit { SemiMajorAxis 10011364 Period 1109.86083939153 Eccentricity 0.03401 Inclination 0.536 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#a3d" } Modify "Alpha IIId" "Rigel Kentaurus A/Alpha III" { Atmosphere { Height 200 Lower [ 0.477 0.367 0.211 ] Upper [ 0.96 0.805 0.461 ] Sky [ 0.3 0 0 ] CloudHeight 3 CloudSpeed 65 CloudMap "titan-clouds.*" # Celestia 1.5.0 atmosphere data Mie 0.0001 MieAsymmetry -0.55 Rayleigh [ 0.0 0.0 0.00017 ] Absorption [ 0.000075 0.00030 0.00025 ] MieScaleHeight 220.0 } } # System/Star name: Rigel Kentaurus B # Stellar Mass: 0.907 solar masses # Stellar Radius: 0.865 solar radii / 602040 km / 0.00402438883133261 AU # Luminosity: 0.5 solar luminosities # Distance: 4.365 light-years # Notes: # # Rigel Kentaurus B 1: Alpha B-I -- 0.0776919269391985 mE 0.4475 rE 0.57 AU 0.009 ecc # Rigel Kentaurus B 2: Alpha B-II -- 0.532986728388064 mE 0.8112 rE 0.715 AU 0.0099 ecc # Rigel Kentaurus B 3: Alpha B-III -- 2151.51224828448 mE 15.0277 rE 2.4055 AU 0.028 ecc # Name: Alpha B-I (Rigel Kentaurus B 1) # Notes: # Mass: 0.0776919269391985 earth masses # Radius: 2854.2163075 km / 0.4475 earth radii # Semimajor Axis: 0.57 AU # Period: 0.45186465205677 years # Rotation Period: 22.2 hours # Gravity: 0.387962557668979 g # Density: 4.7795253193946 g/cm^3 # Volume: 0.089614671875 earth volumes # Roche Limit: 6918.62032938 km # Hill Sphere Radius: 373052.040560348 km / 0.00249369886641569 AU # "Alpha B-I" "Rigel Kentaurus B" { Class "planet" Radius 2854.2163075 Obliquity 6.7 RotationPeriod 22.2 Texture "mercury.*" BumpMap "mercury-bump.*" BumpHeight 3 SpecularTexture "mercury-spec.*" SpecularPower 25 NightTexture "mercury-night.*" Albedo 0.21 EllipticalOrbit { SemiMajorAxis 0.57 Period 0.45186465205677 Eccentricity 0.009 Inclination 3.1 } InfoURL "http://www.niflheim.net/tta/worlds/alpha.html#ab1" } Modify "Alpha B-I" "Rigel Kentaurus B" { RotationOffset 56 EllipticalOrbit { AscendingNode 160.483 } Atmosphere { Height 30 Lower [ 0.8 0.6 0.6 ] Upper [ 0.7 0.3 0.3 ] Sky [ 0.83 0.75 0.65 ] Sunset [ 0.7 0.7 0.8 ] # Celestia 1.5.0 atmosphere data Mie 0.0024 MieAsymmetry -0.15 Rayleigh [ 0.0010 0.0006 0.0003 ] Absorption [ 0 0 0 ] MieScaleHeight 20 } } # Name: Alpha B-II (Rigel Kentaurus B 2) # Notes: <10% land # Mass: 0.532986728388064 earth masses # Radius: 5173.9447344 km / 0.8112 earth radii # Semimajor Axis: 0.715 AU # Period: 0.634824685355842 years # Rotation Period: 31.6 hours # Gravity: 0.809954291892159 g # Density: 5.50453403747716 g/cm^3 # Volume: 0.533806460928 earth volumes # Roche Limit: 12541.6420361856 km # Hill Sphere Radius: 888354.239663257 km / 0.00593828131082284 AU # "Alpha B-II" "Rigel Kentaurus B" { Class "planet" Radius 5173.9447344 Obliquity 15 RotationPeriod 31.6 Texture "alphab2.*" BumpMap "alphab2-bump.*" BumpHeight 3 SpecularTexture "alphab2-spec.*" SpecularPower 25 NightTexture "alphab2-night.*" Albedo 0.24 EllipticalOrbit { SemiMajorAxis 0.715 Period 0.634824685355842 Eccentricity 0.0099 Inclination 1.817 } InfoURL "http://www.niflheim.net/tta/worlds/alpha.html#ab2" } Modify "Alpha B-II" "Rigel Kentaurus B" { EllipticalOrbit { AscendingNode 160.483 } Atmosphere { Height 75 Lower [ 0.43 0.52 0.65 ] Upper [ 0.26 0.47 0.84 ] Sky [ 0.40 0.6 1.0 ] Sunset [ 1.0 0.6 0.2 ] # Sunset [ 0.3 1.0 0.5 ] CloudHeight 7 CloudSpeed 65 CloudMap "earth-clouds.*" # Celestia 1.5.0 atmosphere data Mie 0.0007 MieAsymmetry -0.25 Rayleigh [ 0.001 0.0045 0.005 ] MieScaleHeight 12 } EquatorAscendingNode 19 RotationOffset 240.3 } # Name: Alpha B-III (Rigel Kentaurus B 3) # Notes: # Mass: 2151.51224828448 earth masses # Radius: 95848.7293949 km / 15.0277 earth radii # Semimajor Axis: 2.4055 AU # Period: 3.82810472430806 years # Rotation Period: 30.44 hours # Gravity: 9.52705757078735 g # Density: 3.49505702055209 g/cm^3 # Volume: 3393.73204930393 earth volumes # Roche Limit: 232337.320053238 km # Hill Sphere Radius: 46717742.200133 km / 0.312288817911253 AU # "Alpha B-III" "Rigel Kentaurus B" { Class "planet" Radius 95848.7293949 Obliquity 42.2 RotationPeriod 30.44 Texture "venussurface.*" BumpMap "venussurface-bump.*" BumpHeight 3 SpecularTexture "venussurface-spec.*" SpecularPower 25 NightTexture "venussurface-night.*" Albedo 0.113 EllipticalOrbit { SemiMajorAxis 2.4055 Period 3.82810472430806 Eccentricity 0.028 Inclination 2.28 } InfoURL "http://www.niflheim.net/tta/worlds/alpha.html#ab3" } Modify "Alpha B-III" "Rigel Kentaurus B" { EllipticalOrbit { AscendingNode 160.483 } RotationOffset 112 Oblateness 0.054 Rings { Inner 175000 Outer 200000 Texture "saturn-rings.png" } } # Alpha B-II -- moon system data # 1: Alpha B-IIa -- 0.00381388454649011 mE 0.1965 rE Semimajor km 0.0204 ecc # 2: Alpha B-IIb -- 0.104426708523037 mE 0.5285 rE 0.715 km 0.0029 ecc # Moon 1 Name: Alpha B-IIa # Planet: Alpha B-II # Mass: 0.00381388454649011 earth masses # Radius: 1253.3039205 km / 0.1965 earth radii # Semimajor Axis: 280409 km # Period: 23.2919449048398 days # Rotation Period: Tidally locked # Density: 2.7712 g/cm^3 # Gravity: 0.0987739524759659 g # Volume: 0.007587307125 earth volumes # Roche Limit: 50251.7500072089 km # Apparent Diameter: 0.512159827141008 degrees # Notes: # "Alpha B-IIa" "Rigel Kentaurus B/Alpha B-II" { Class "moon" Radius 1253.3039205 Obliquity 5.011 Texture "ganymede.*" BumpMap "ganymede-bump.*" BumpHeight 0.3 SpecularTexture "ganymede-spec.*" SpecularPower 25 NightTexture "ganymede-night.*" Albedo 0.31 EllipticalOrbit { SemiMajorAxis 280409 Period 23.2919449048398 Eccentricity 0.0204 Inclination 0.34 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#ab2a" } Modify "Alpha B-IIa" "Rigel Kentaurus B/Alpha B-II" { EquatorAscendingNode 14 RotationOffset 135 LunarLambert 0.75 } # Moon 2 Name: Alpha B-IIb # Planet: Alpha B-II # Mass: 0.104426708523037 earth masses # Radius: 3370.8454045 km / 0.5285 earth radii # Semimajor Axis: 357232 km # Period: 33.4921759248376 days # Rotation Period: Tidally locked # Density: 3.9 g/cm^3 # Gravity: 0.373870850716488 g # Volume: 0.147616524125 earth volumes # Roche Limit: 120605.759688604 km # Apparent Diameter: 1.08115897448744 degrees # Notes: # "Alpha B-IIb" "Rigel Kentaurus B/Alpha B-II" { Class "moon" Radius 3370.8454045 Obliquity 7.32 Texture "titan.*" BumpMap "titan-bump.*" BumpHeight 0.3 SpecularTexture "titan-spec.*" SpecularPower 25 NightTexture "titan-night.*" Albedo 0.23 EllipticalOrbit { SemiMajorAxis 357232 Period 33.4921759248376 Eccentricity 0.0029 Inclination 0.8 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#ab2b" } Modify "Alpha B-IIb" "Rigel Kentaurus B/Alpha B-II" { EquatorAscendingNode 37.8 RotationOffset 135 LunarLambert 0.92 } # Alpha B-III -- moon system data # 1: Alpha B-IIIa -- 0.00381388454649011 mE 0.1965 rE Semimajor km 0.0045 ecc # 2: Alpha B-IIIb -- 0.728838940440414 mE 0.906 rE 2.4055 km 0.0109 ecc # 3: Alpha B-IIIc -- 9.7793578813713 mE 2.4 rE Semimajor km 0.0031 ecc # 4: Alpha B-IIId -- 0.134857968438237 mE 0.59 rE 280409 km 0.0057 ecc # 5: Alpha B-IIIe -- 5.67197089969164 mE 1.97 rE 757232 km 0.0621 ecc # 6: Alpha B-IIIf -- 0.00149986395791765 mE 0.15 rE 2670052 km 0.207 ecc # Moon 1 Name: Alpha B-IIIa # Planet: Alpha B-III # Mass: 0.00381388454649011 earth masses # Radius: 1253.3039205 km / 0.1965 earth radii # Semimajor Axis: 280409 km # Period: 0.366599645158201 days # Rotation Period: Tidally locked # Density: 2.7712 g/cm^3 # Gravity: 0.0987739524759659 g # Volume: 0.007587307125 earth volumes # Roche Limit: 132965.625862294 km # Apparent Diameter: 0.512159827141008 degrees # Notes: # "Alpha B-IIIa" "Rigel Kentaurus B/Alpha B-III" { Class "moon" Radius 1253.3039205 Obliquity 5 Texture "ganymede.*" BumpMap "ganymede-bump.*" BumpHeight 0.3 SpecularTexture "ganymede-spec.*" SpecularPower 25 NightTexture "ganymede-night.*" Albedo 0.5 EllipticalOrbit { SemiMajorAxis 280409 Period 0.366599645158201 Eccentricity 0.0045 Inclination 2.011 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#ab3a" } Modify "Alpha B-IIIa" "Rigel Kentaurus B/Alpha B-III" { EquatorAscendingNode 19 RotationOffset 5.714 LunarLambert 0.43 } # Moon 2 Name: Alpha B-IIIb # Planet: Alpha B-III # Mass: 0.728838940440414 earth masses # Radius: 5778.592122 km / 0.906 earth radii # Semimajor Axis: 757232 km # Period: 1.62685016327624 days # Rotation Period: Tidally locked # Density: 5.403 g/cm^3 # Gravity: 0.887922728097225 g # Volume: 0.743677416 earth volumes # Roche Limit: 490737.590270058 km # Apparent Diameter: 0.874403711503527 degrees # Notes: # "Alpha B-IIIb" "Rigel Kentaurus B/Alpha B-III" { Class "moon" Radius 5778.592122 Obliquity 3 Texture "mercury.*" BumpMap "mercury-bump.*" BumpHeight 0.3 SpecularTexture "mercury-spec.*" SpecularPower 25 NightTexture "mercury-night.*" Albedo 0.5 EllipticalOrbit { SemiMajorAxis 757232 Period 1.62685016327624 Eccentricity 0.0109 Inclination 10.7 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#ab3b" } Modify "Alpha B-IIIb" "Rigel Kentaurus B/Alpha B-III" { EquatorAscendingNode -56 RotationOffset 115.07 LunarLambert 0.824 } # Moon 3 Name: Alpha B-IIIc # Planet: Alpha B-III # Mass: 9.7793578813713 earth masses # Radius: 15307.5288 km / 2.4 earth radii # Semimajor Axis: 2670052 km # Period: 10.7716862847504 days # Rotation Period: Tidally locked # Density: 3.9 g/cm^3 # Gravity: 1.69780518773807 g # Volume: 13.824 earth volumes # Roche Limit: 1449180.52879065 km # Apparent Diameter: 0.656929799221151 degrees # Notes: Atmosphere # "Alpha B-IIIc" "Rigel Kentaurus B/Alpha B-III" { Class "moon" Radius 15307.5288 Obliquity 17 Texture "rhea.*" BumpMap "rhea-bump.*" BumpHeight 0.3 SpecularTexture "rhea-spec.*" SpecularPower 25 NightTexture "rhea-night.*" Albedo 0.3 EllipticalOrbit { SemiMajorAxis 2670052 Period 10.7716862847504 Eccentricity 0.0031 Inclination 0.57 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#ab3c" } Modify "Alpha B-IIIc" "Rigel Kentaurus B/Alpha B-III" { Atmosphere { Height 200 Lower [ 0.477 0.367 0.211 ] Upper [ 0.96 0.805 0.461 ] Sky [ 0.3 0 0 ] CloudHeight 3 CloudSpeed 65 CloudMap "titan-clouds.*" # Celestia 1.5.0 atmosphere data Mie 0.0024 MieAsymmetry -0.15 Rayleigh [ 0.0010 0.0006 0.0003 ] Absorption [ 0 0 0 ] MieScaleHeight 10 } } # Moon 4 Name: Alpha B-IIId # Planet: Alpha B-III # Mass: 0.134857968438237 earth masses # Radius: 3763.10083 km / 0.59 earth radii # Semimajor Axis: 8632840 km # Period: 62.6231133508264 days # Rotation Period: Tidally locked # Density: 3.62 g/cm^3 # Gravity: 0.387411572646472 g # Volume: 0.205379 earth volumes # Roche Limit: 365214.999330005 km # Apparent Diameter: 0.0499510568517867 degrees # Notes: # "Alpha B-IIId" "Rigel Kentaurus B/Alpha B-III" { Class "moon" Radius 3763.10083 Obliquity 0.65 Texture "triton.*" BumpMap "triton-bump.*" BumpHeight 0.3 SpecularTexture "triton-spec.*" SpecularPower 25 NightTexture "triton-night.*" Albedo 0.5 EllipticalOrbit { SemiMajorAxis 8632840 Period 62.6231133508264 Eccentricity 0.0057 Inclination 1.77 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#ab3d" } Modify "Alpha B-IIId" "Rigel Kentaurus B/Alpha B-III" { EquatorAscendingNode 26 RotationOffset 145 LunarLambert 0.884 } # Moon 5 Name: Alpha B-IIIe # Planet: Alpha B-III # Mass: 5.67197089969164 earth masses # Radius: 12564.92989 km / 1.97 earth radii # Semimajor Axis: 12627340 km # Period: 110.782695717068 days # Rotation Period: Tidally locked # Density: 4.09 g/cm^3 # Gravity: 1.46150916016688 g # Volume: 7.645373 earth volumes # Roche Limit: 1170822.9885357 km # Apparent Diameter: 0.114025044411901 degrees # Notes: Atmosphere # "Alpha B-IIIe" "Rigel Kentaurus B/Alpha B-III" { Class "moon" Radius 12564.92989 Obliquity 23 Texture "mars.*" BumpMap "mars-bump.*" BumpHeight 0.3 SpecularTexture "mars-spec.*" SpecularPower 25 NightTexture "mars-night.*" Albedo 0.5 EllipticalOrbit { SemiMajorAxis 12627340 Period 110.782695717068 Eccentricity 0.0621 Inclination 4.09 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#ab3e" } Modify "Alpha B-IIIe" "Rigel Kentaurus B/Alpha B-III" { Atmosphere { Height 200 Lower [ 0.477 0.367 0.211 ] Upper [ 0.96 0.805 0.461 ] Sky [ 0.3 0 0 ] CloudHeight 3 CloudSpeed 65 CloudMap "titan-clouds.*" # Celestia 1.5.0 atmosphere data Mie 0.0024 MieAsymmetry -0.15 Rayleigh [ 0.0010 0.0006 0.0003 ] Absorption [ 0 0 0 ] MieScaleHeight 20 } } # Moon 6 Name: Alpha B-IIIf # Planet: Alpha B-III # Mass: 0.00149986395791765 earth masses # Radius: 956.72055 km / 0.15 earth radii # Semimajor Axis: 19770765 km # Period: 217.039773906124 days # Rotation Period: Tidally locked # Density: 2.45 g/cm^3 # Gravity: 0.0666606203518955 g # Volume: 0.003375 earth volumes # Roche Limit: 105755.269208672 km # Apparent Diameter: 0.0055451622147436 degrees # Notes: # "Alpha B-IIIf" "Rigel Kentaurus B/Alpha B-III" { Class "moon" Radius 956.72055 Obliquity 67 Texture "callisto.*" BumpMap "callisto-bump.*" BumpHeight 0.3 SpecularTexture "callisto-spec.*" SpecularPower 25 NightTexture "callisto-night.*" Albedo 0.5 EllipticalOrbit { SemiMajorAxis 19770765 Period 217.039773906124 Eccentricity 0.207 Inclination 0 } InfoURL "http://www.niflheim.net/tta/worlds/filename.html#ab3f" } Modify "Alpha B-IIIf" "Rigel Kentaurus B/Alpha B-III" { EquatorAscendingNode 220 RotationOffset 36 LunarLambert 0.711 } # Define locations and Alphan language labels # This placement of Ergotha is not even slightly canon. I just picked a likely spot. Location "Ergotha" "Rigel Kentaurus A/Alpha I" { LongLat [ -14 10 0 ] Importance 1000 Type "City" } Location "Alphan name: (Dlaash krees) Tlaam krees _ath" "Rigel Kentaurus A/Alpha Null" { LongLat [ 0 90 30 ] Importance 1000 Type "XX" } Location "Alphan name: (Dlaash krees Tlaam krees _ath) Tlaam ^een Osha" "Rigel Kentaurus A/Alpha Null/Alpha Null a" { LongLat [ 0 90 30 ] Importance 1000 Type "XX" } Location "Alphan name: (Dlaash krees Tlaam krees _ath) Tlaam ^een Oto" "Rigel Kentaurus A/Alpha Null/Alpha Null a" { LongLat [ 0 90 30 ] Importance 1000 Type "XX" } Location "Alphan name: (Dlaash krees) Tlaam krees Osha" "Rigel Kentaurus A/Alpha I" { LongLat [ 0 90 30 ] Importance 1000 Type "XX" } Location "Alphan name: (Dlaash krees Tlaam krees Osha) Tlaam ^een" "Rigel Kentaurus A/Alpha I/Alpha Ia" { LongLat [ 0 90 30 ] Importance 1000 Type "XX" } Location "Alphan name: (Dlaash krees) Tlaam krees Oto" "Rigel Kentaurus A/Alpha II" { LongLat [ 0 90 30 ] Importance 1000 Type "XX" } Location "Alphan name: (Dlaash krees) Tlaam krees Ala" "Rigel Kentaurus A/Alpha III" { LongLat [ 0 90 30 ] Importance 2000 Type "XX" } Location "Alphan name: (Dlaash krees Tlaam krees Ala) Tlaam ^een Osha" "Rigel Kentaurus A/Alpha III/Alpha IIIa" { LongLat [ 0 90 30 ] Importance 1000 Type "XX" } Location "Alphan name: (Dlaash krees Tlaam krees Ala) Tlaam ^een Aasoe" "Rigel Kentaurus A/Alpha III/Alpha IIId" { LongLat [ 0 90 30 ] Importance 1000 Type "XX" } Location "Alphan name: (Dlaash ^een) Tlaam krees Osha" "Rigel Kentaurus B/Alpha B-I" { LongLat [ 0 90 30 ] Importance 1000 Type "XX" } Location "Alphan name: (Dlaash ^een) Tlaam krees Oto" "Rigel Kentaurus B/Alpha B-II" { LongLat [ 0 90 30 ] Importance 1000 Type "XX" } Location "Alphan name: (Dlaash ^een Tlaam krees Oto) Tlaam ^een Osha" "Rigel Kentaurus B/Alpha B-II/Alpha B-IIa" { LongLat [ 0 90 30 ] Importance 1000 Type "XX" } Location "Alphan name: (Dlaash ^een Tlaam krees Oto) Tlaam ^een Oto" "Rigel Kentaurus B/Alpha B-II/Alpha B-IIb" { LongLat [ 0 90 30 ] Importance 1000 Type "XX" } Location "Alphan name: (Dlaash ^een) Tlaam krees Ala" "Rigel Kentaurus B/Alpha B-III" { LongLat [ 0 90 30 ] Importance 2000 Type "XX" }