🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.7

Radius: 14.2

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.4 AU - 0.66 AU

Year: 266 Days

Day: 8.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,529,800 km

• M1: 176,525 km (0.073 R)
• M2: 690,693 km (0.115 R)
• M3: 1,187,807 km (0.075 R)
• M4: 1,742,217 km (0.079 R)
• M5: 2,294,831 km (0.118 R)
• M6: 2,900,104 km (0.066 R)
• M7: 3,495,055 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.2

Radius: 12.2

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.7 AU - 1.16 AU

Year: 619 Days

Day: 11.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,529,800 km

• M1: 151,991 km (0.109 R)
• M2: 587,620 km (0.094 R)
• M3: 1,063,940 km (0.108 R)
• M4: 1,493,884 km (0.059 R)
• M5: 2,014,485 km (0.096 R)
• M6: 2,959,046 km (0.083 R)
• M7: 3,375,826 km (0.113 R)
• M8: 3,888,198 km (0.091 R)
• M9: 4,436,774 km (0.098 R)
• M10: 5,070,470 km (0.043 R)
• M11: 5,726,606 km (0.098 R)
• M12: 6,478,934 km (0.101 R)
• M13: 7,122,953 km (0.079 R)
• M14: 7,650,435 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173

Radius: 13.5

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.43 AU - 2.23 AU

Year: 1709 Days

Day: 6.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,529,800 km

• M1: 233,821 km (0.096 R)
• M2: 711,338 km (0.112 R)
• M3: 1,259,016 km (0.071 R)
• M4: 1,734,139 km (0.115 R)
• M5: 2,524,913 km (0.07 R)
• M6: 3,761,489 km (0.097 R)
• M7: 4,515,761 km (0.117 R)
• M8: 6,221,925 km (0.117 R)
• M9: 8,478,160 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.4

Radius: 11.3

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.7 AU - 2.78 AU

Year: 2314 Days

Day: 9.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,529,800 km

• M1: 140,622 km (0.106 R)
• M2: 546,481 km (0.109 R)
• M3: 1,098,198 km (0.042 R)
• M4: 1,553,723 km (0.098 R)
• M5: 2,269,699 km (0.114 R)
• M6: 2,736,743 km (0.087 R)
• M7: 3,589,900 km (0.091 R)
• M8: 4,263,390 km (0.104 R)
• M9: 5,059,250 km (0.105 R)
• M10: 6,675,207 km (0.102 R)
• M11: 7,045,910 km (0.109 R)
• M12: 9,141,178 km (0.045 R)
• M13: 9,537,313 km (0.077 R)
• M14: 10,040,560 km (0.085 R)
• M15: 11,728,473 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.4

Radius: 8.7

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.33 AU - 3.63 AU

Year: 4481 Days

Day: 9.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,529,800 km

• M1: 115,190 km (0.11 R)
• M2: 445,502 km (0.093 R)
• M3: 1,223,711 km (0.031 R)
• M4: 1,617,153 km (0.051 R)
• M5: 2,552,738 km (0.096 R)
• M6: 3,237,298 km (0.092 R)
• M7: 3,574,192 km (0.071 R)
• M8: 4,966,949 km (0.04 R)
• M9: 8,221,151 km (0.049 R)
• M10: 9,214,930 km (0.032 R)
• M11: 9,664,621 km (0.082 R)
• M12: 10,128,823 km (0.092 R)
• M13: 10,976,893 km (0.047 R)
• M14: 11,959,153 km (0.07 R)
• M15: 13,327,076 km (0.12 R)
• M16: 15,780,930 km (0.113 R)
• M17: 18,580,355 km (0.116 R)
• M18: 18,877,307 km (0.11 R)
• M19: 19,848,945 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.2

Radius: 9.9

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.64 AU - 5.82 AU

Year: 7101 Days

Day: 8.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,529,800 km

• M1: 123,568 km (0.096 R)
• M2: 563,086 km (0.07 R)
• M3: 871,258 km (0.112 R)
• M4: 1,285,644 km (0.078 R)
• M5: 1,698,833 km (0.073 R)
• M6: 2,430,217 km (0.038 R)
• M7: 2,941,244 km (0.084 R)
• M8: 3,522,581 km (0.079 R)
• M9: 3,917,370 km (0.093 R)
• M10: 4,286,877 km (0.11 R)
• M11: 4,796,108 km (0.08 R)
• M12: 5,868,276 km (0.103 R)
• M13: 6,318,116 km (0.105 R)
• M14: 7,563,818 km (0.069 R)
• M15: 9,800,456 km (0.103 R)
• M16: 10,736,340 km (0.071 R)
• M17: 15,018,579 km (0.051 R)
• M18: 17,080,337 km (0.108 R)
• M19: 19,098,861 km (0.095 R)
• M20: 21,351,954 km (0.116 R)
• M21: 26,193,989 km (0.097 R)
• M22: 32,249,860 km (0.076 R)
• M23: 35,317,963 km (0.09 R)
• M24: 37,272,758 km (0.116 R)
• M25: 41,271,509 km (0.084 R)
• M26: 42,537,556 km (0.071 R)
• M27: 43,051,126 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.7

Radius: 7.6

Gravity: 10.66 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.26 AU - 6.98 AU

Year: 11757 Days

Day: 24.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,529,800 km

• M1: 94,695 km (0.112 R)
• M2: 544,087 km (0.096 R)
• M3: 1,084,585 km (0.114 R)
• M4: 1,375,104 km (0.105 R)
• M5: 1,612,067 km (0.107 R)
• M6: 2,206,569 km (0.101 R)
• M7: 2,961,739 km (0.034 R)
• M8: 3,665,447 km (0.052 R)
• M9: 4,212,526 km (0.089 R)
• M10: 4,475,968 km (0.084 R)
• M11: 6,485,367 km (0.064 R)
• M12: 7,285,117 km (0.041 R)
• M13: 8,887,609 km (0.104 R)
• M14: 11,316,032 km (0.07 R)
• M15: 11,654,871 km (0.108 R)
• M16: 12,772,965 km (0.088 R)
• M17: 13,514,821 km (0.092 R)
• M18: 17,361,431 km (0.066 R)
• M19: 21,620,632 km (0.11 R)
• M20: 23,303,010 km (0.051 R)
• M21: 26,134,150 km (0.115 R)
• M22: 31,018,071 km (0.1 R)
• M23: 34,552,171 km (0.106 R)
• M24: 37,217,108 km (0.081 R)
• M25: 40,803,118 km (0.073 R)
• M26: 41,868,554 km (0.116 R)
• M27: 42,137,681 km (0.106 R)
• M28: 46,893,098 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 11,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit