🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.5

Radius: 8.4

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.69 AU - 0.99 AU

Year: 541 Days

Day: 12.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,438,150 km

• M1: 104,419 km (0.095 R)
• M2: 384,167 km (0.054 R)
• M3: 693,237 km (0.094 R)
• M4: 1,143,676 km (0.061 R)
• M5: 1,432,998 km (0.117 R)
• M6: 1,836,015 km (0.118 R)
• M7: 2,154,509 km (0.083 R)
• M8: 2,469,562 km (0.076 R)
• M9: 2,915,363 km (0.097 R)
• M10: 3,553,398 km (0.094 R)
• M11: 3,954,021 km (0.064 R)
• M12: 4,399,524 km (0.075 R)
• M13: 4,782,794 km (0.067 R)
• M14: 5,171,598 km (0.071 R)
• M15: 5,722,567 km (0.109 R)
• M16: 6,524,113 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.5

Radius: 12.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.03 AU - 3.05 AU

Year: 2846 Days

Day: 10.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,438,150 km

• M1: 154,385 km (0.062 R)
• M2: 564,134 km (0.034 R)
• M3: 1,256,323 km (0.115 R)
• M4: 1,873,564 km (0.067 R)
• M5: 3,560,280 km (0.026 R)
• M6: 4,169,891 km (0.111 R)
• M7: 4,710,987 km (0.074 R)
• M8: 6,354,319 km (0.025 R)
• M9: 6,794,137 km (0.105 R)
• M10: 8,039,390 km (0.045 R)
• M11: 8,642,867 km (0.055 R)
• M12: 10,772,094 km (0.083 R)
• M13: 11,794,296 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.8

Radius: 11.5

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.71 AU - 4.51 AU

Year: 5857 Days

Day: 11.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,438,150 km

• M1: 143,016 km (0.098 R)
• M2: 799,301 km (0.037 R)
• M3: 1,332,468 km (0.12 R)
• M4: 2,049,790 km (0.105 R)
• M5: 2,479,286 km (0.066 R)
• M6: 3,500,291 km (0.096 R)
• M7: 4,094,344 km (0.105 R)
• M8: 5,184,015 km (0.114 R)
• M9: 5,733,488 km (0.061 R)
• M10: 7,390,733 km (0.1 R)
• M11: 8,493,868 km (0.049 R)
• M12: 11,123,649 km (0.1 R)
• M13: 12,302,779 km (0.094 R)
• M14: 14,430,959 km (0.113 R)
• M15: 15,029,649 km (0.068 R)
• M16: 16,404,753 km (0.115 R)
• M17: 17,189,394 km (0.083 R)
• M18: 19,621,257 km (0.065 R)
• M19: 20,655,277 km (0.081 R)
• M20: 22,751,592 km (0.119 R)
• M21: 23,235,990 km (0.114 R)
• M22: 23,727,269 km (0.11 R)
• M23: 24,646,100 km (0.119 R)
• M24: 26,732,840 km (0.083 R)
• M25: 27,544,858 km (0.105 R)
• M26: 30,958,531 km (0.113 R)
• M27: 31,553,632 km (0.118 R)
• M28: 32,664,545 km (0.092 R)
• M29: 35,935,503 km (0.059 R)
• M30: 37,369,997 km (0.055 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.1

Radius: 6.5

Gravity: 17.04 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.66 AU - 7.06 AU

Year: 9971 Days

Day: 16.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,438,150 km

• M1: 81,381 km (0.092 R)
• M2: 364,121 km (0.081 R)
• M3: 1,392,008 km (0.088 R)
• M4: 2,917,458 km (0.118 R)
• M5: 4,655,336 km (0.106 R)
• M6: 5,026,937 km (0.103 R)
• M7: 6,909,327 km (0.092 R)
• M8: 8,249,126 km (0.062 R)
• M9: 9,027,334 km (0.07 R)
• M10: 10,942,187 km (0.081 R)
• M11: 18,282,954 km (0.109 R)
• M12: 21,147,903 km (0.111 R)
• M13: 26,274,024 km (0.045 R)
• M14: 32,726,629 km (0.082 R)
• M15: 33,402,063 km (0.087 R)
• M16: 35,839,311 km (0.101 R)
• M17: 36,316,529 km (0.105 R)
• M18: 42,913,047 km (0.073 R)
• M19: 48,354,071 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.2

Radius: 4.3

Gravity: 46.79 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.86 AU - 5.9 AU

Year: 10022 Days

Day: 22.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,438,150 km

• M1: 53,706 km (0.055 R)
• M2: 208,240 km (0.111 R)
• M3: 834,607 km (0.055 R)
• M4: 1,453,044 km (0.104 R)
• M5: 1,689,110 km (0.09 R)
• M6: 2,965,778 km (0.096 R)
• M7: 4,590,710 km (0.068 R)
• M8: 5,858,253 km (0.096 R)
• M9: 6,152,063 km (0.03 R)
• M10: 6,340,706 km (0.08 R)
• M11: 8,216,065 km (0.044 R)
• M12: 22,540,510 km (0.029 R)
• M13: 22,719,129 km (0.08 R)
• M14: 32,453,313 km (0.104 R)
• M15: 37,969,136 km (0.075 R)
• M16: 40,155,958 km (0.098 R)
• M17: 44,638,060 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.9

Radius: 3.9

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.3 AU - 6.74 AU

Year: 11703 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,438,150 km

• M1: 48,769 km (0.114 R)
• M2: 229,483 km (0.117 R)
• M3: 438,172 km (0.039 R)
• M4: 608,564 km (0.075 R)
• M5: 979,567 km (0.074 R)
• M6: 2,355,718 km (0.066 R)
• M7: 2,852,682 km (0.12 R)
• M8: 5,863,189 km (0.102 R)
• M9: 8,308,067 km (0.066 R)
• M10: 10,644,487 km (0.084 R)
• M11: 11,550,003 km (0.119 R)
• M12: 12,101,421 km (0.034 R)
• M13: 12,464,943 km (0.075 R)
• M14: 12,877,385 km (0.107 R)
• M15: 13,773,177 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.6

Radius: 3.8

Gravity: 65.07 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.92 AU - 10.02 AU

Year: 22128 Days

Day: 22.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 90,438,150 km

• M1: 47,572 km (0.091 R)
• M2: 241,301 km (0.071 R)
• M3: 371,003 km (0.092 R)
• M4: 825,930 km (0.108 R)
• M5: 1,866,233 km (0.075 R)
• M6: 2,117,707 km (0.077 R)
• M7: 3,207,827 km (0.115 R)
• M8: 3,476,056 km (0.079 R)
• M9: 4,442,758 km (0.082 R)
• M10: 5,368,020 km (0.114 R)
• M11: 5,533,775 km (0.078 R)
• M12: 5,919,438 km (0.062 R)
• M13: 6,414,906 km (0.052 R)
• M14: 7,084,656 km (0.041 R)
• M15: 10,295,774 km (0.102 R)
• M16: 13,202,012 km (0.092 R)
• M17: 14,439,336 km (0.117 R)
• M18: 16,786,975 km (0.086 R)
• M19: 18,051,077 km (0.106 R)
• M20: 18,706,167 km (0.109 R)
• M21: 19,669,427 km (0.05 R)
• M22: 20,463,493 km (0.103 R)
• M23: 20,665,300 km (0.035 R)
• M24: 26,509,640 km (0.059 R)
• M25: 27,355,467 km (0.101 R)
• M26: 28,469,073 km (0.093 R)
• M27: 31,720,433 km (0.093 R)
• M28: 34,635,946 km (0.082 R)
• M29: 35,210,851 km (0.091 R)
• M30: 36,675,863 km (0.105 R)
• M31: 46,154,085 km (0.045 R)
• M32: 47,552,974 km (0.073 R)
• M33: 47,906,923 km (0.045 R)
• M34: 54,005,879 km (0.044 R)
• M35: 55,951,399 km (0.102 R)
• M36: 56,742,472 km (0.063 R)
• M37: 57,140,702 km (0.079 R)
• M38: 60,809,889 km (0.054 R)
• M39: 74,885,104 km (0.087 R)
• M40: 78,529,158 km (0.093 R)
• M41: 87,753,513 km (0.113 R)
• M42: 90,438,196 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 19,160 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit