🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.7 AU - 0.76 AU

Year: 236 Days

Day: 13.4 Hours

Environment

Temp: 150 °C

Axial Tilt: 13.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.73 AU - 0.95 AU

Year: 292 Days

Day: 19.1 Hours

Environment

Temp: 33 °C

Axial Tilt: 22.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,512,818 km

• M1: 53,107 km (0.053 R)

Asteroid Belt

Center: 3.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.5

Radius: 13.7

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.7 AU - 7.58 AU

Year: 6480 Days

Day: 11.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,512,818 km

• M1: 170,841 km (0.113 R)
• M2: 1,275,172 km (0.116 R)
• M3: 2,027,051 km (0.038 R)
• M4: 2,632,324 km (0.077 R)
• M5: 4,262,343 km (0.097 R)
• M6: 5,087,674 km (0.077 R)
• M7: 5,663,775 km (0.067 R)
• M8: 6,662,491 km (0.11 R)
• M9: 10,320,757 km (0.084 R)
• M10: 11,297,781 km (0.116 R)
• M11: 11,965,286 km (0.09 R)
• M12: 12,442,653 km (0.113 R)
• M13: 15,023,665 km (0.087 R)
• M14: 19,066,847 km (0.093 R)
• M15: 19,940,050 km (0.106 R)
• M16: 23,535,934 km (0.111 R)
• M17: 27,087,088 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.7

Radius: 9.7

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.74 AU - 9.44 AU

Year: 10380 Days

Day: 8.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,512,818 km

• M1: 133,890 km (0.09 R)
• M2: 728,542 km (0.032 R)
• M3: 1,202,617 km (0.096 R)
• M4: 2,003,415 km (0.041 R)
• M5: 2,369,780 km (0.073 R)
• M6: 7,124,150 km (0.038 R)
• M7: 7,774,003 km (0.09 R)
• M8: 9,052,018 km (0.074 R)
• M9: 15,917,363 km (0.111 R)
• M10: 19,245,616 km (0.07 R)
• M11: 20,584,966 km (0.109 R)
• M12: 22,838,359 km (0.119 R)
• M13: 23,801,769 km (0.1 R)
• M14: 25,529,475 km (0.119 R)
• M15: 26,567,086 km (0.109 R)
• M16: 27,047,893 km (0.114 R)
• M17: 29,745,442 km (0.094 R)
• M18: 37,444,197 km (0.093 R)
• M19: 39,029,636 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.1

Radius: 4.7

Gravity: 13.63 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 13.22 AU - 14.36 AU

Year: 19395 Days

Day: 22.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 87,512,818 km

• M1: 58,493 km (0.102 R)
• M2: 220,507 km (0.068 R)
• M3: 518,207 km (0.086 R)
• M4: 1,030,879 km (0.105 R)
• M5: 1,602,642 km (0.094 R)
• M6: 2,789,252 km (0.114 R)
• M7: 4,223,597 km (0.057 R)
• M8: 5,252,680 km (0.101 R)
• M9: 5,462,716 km (0.094 R)
• M10: 6,438,543 km (0.073 R)
• M11: 7,221,538 km (0.11 R)
• M12: 9,073,859 km (0.105 R)
• M13: 9,582,192 km (0.088 R)
• M14: 10,544,556 km (0.095 R)
• M15: 10,766,858 km (0.119 R)
• M16: 13,816,111 km (0.119 R)
• M17: 15,465,278 km (0.083 R)
• M18: 15,680,250 km (0.115 R)
• M19: 15,970,021 km (0.075 R)
• M20: 16,337,135 km (0.029 R)
• M21: 21,995,225 km (0.092 R)
• M22: 24,524,028 km (0.083 R)
• M23: 24,914,329 km (0.096 R)
• M24: 25,111,050 km (0.116 R)
• M25: 26,825,591 km (0.081 R)
• M26: 30,936,840 km (0.077 R)
• M27: 33,859,084 km (0.087 R)
• M28: 34,221,710 km (0.12 R)
• M29: 36,451,765 km (0.092 R)
• M30: 37,216,061 km (0.117 R)
• M31: 40,924,891 km (0.078 R)
• M32: 41,336,285 km (0.115 R)
• M33: 46,490,381 km (0.071 R)
• M34: 50,311,110 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.5

Radius: 5.6

Gravity: 19.75 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 15.35 AU - 18.13 AU

Year: 25941 Days

Day: 19.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,512,818 km

• M1: 154,535 km (0.116 R)
• M2: 421,118 km (0.119 R)
• M3: 902,823 km (0.082 R)
• M4: 1,571,376 km (0.09 R)
• M5: 1,989,203 km (0.104 R)
• M6: 3,183,592 km (0.084 R)
• M7: 4,680,917 km (0.119 R)
• M8: 5,708,056 km (0.115 R)
• M9: 9,619,741 km (0.093 R)
• M10: 12,650,744 km (0.086 R)
• M11: 14,857,313 km (0.058 R)
• M12: 15,924,993 km (0.117 R)
• M13: 19,529,703 km (0.115 R)
• M14: 22,248,345 km (0.106 R)
• M15: 28,422,399 km (0.038 R)
• M16: 30,579,750 km (0.119 R)
• M17: 46,026,029 km (0.117 R)
• M18: 51,712,693 km (0.077 R)
• M19: 57,452,913 km (0.106 R)
• M20: 75,753,669 km (0.103 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: 445 - 16,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit