🌌 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: 51.3

Radius: 14.9

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.46 AU - 0.6 AU

Year: 266 Days

Day: 8.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 86,717,561 km

• M1: 185,651 km (0.089 R)
• M2: 776,263 km (0.103 R)
• M3: 1,313,469 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.2

Radius: 10.8

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.57 AU - 0.83 AU

Year: 404 Days

Day: 11.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,717,561 km

• M1: 134,339 km (0.047 R)
• M2: 512,822 km (0.036 R)
• M3: 861,684 km (0.093 R)
• M4: 1,282,503 km (0.062 R)
• M5: 1,948,512 km (0.086 R)
• M6: 2,343,301 km (0.061 R)
• M7: 2,914,765 km (0.105 R)
• M8: 3,493,858 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.9

Radius: 11.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.36 AU - 1.44 AU

Year: 1143 Days

Day: 7.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,717,561 km

• M1: 146,905 km (0.099 R)
• M2: 577,597 km (0.103 R)
• M3: 965,953 km (0.091 R)
• M4: 1,355,058 km (0.047 R)
• M5: 1,981,424 km (0.103 R)
• M6: 3,786,472 km (0.069 R)
• M7: 4,855,797 km (0.12 R)
• M8: 6,179,439 km (0.089 R)
• M9: 6,902,595 km (0.102 R)
• M10: 8,465,444 km (0.089 R)
• M11: 9,329,970 km (0.104 R)
• M12: 9,697,682 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.8

Radius: 11.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.42 AU - 1.98 AU

Year: 1530 Days

Day: 9.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,717,561 km

• M1: 144,512 km (0.071 R)
• M2: 593,305 km (0.064 R)
• M3: 981,212 km (0.058 R)
• M4: 3,138,414 km (0.089 R)
• M5: 4,711,286 km (0.114 R)
• M6: 5,214,383 km (0.067 R)
• M7: 5,898,644 km (0.12 R)
• M8: 7,520,435 km (0.056 R)
• M9: 8,884,019 km (0.093 R)
• M10: 9,363,780 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.2

Radius: 11.9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.47 AU - 5.41 AU

Year: 7579 Days

Day: 8.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,717,561 km

• M1: 147,952 km (0.116 R)
• M2: 525,837 km (0.1 R)
• M3: 917,783 km (0.091 R)
• M4: 1,714,990 km (0.094 R)
• M5: 3,039,530 km (0.082 R)
• M6: 4,039,143 km (0.111 R)
• M7: 4,603,126 km (0.067 R)
• M8: 4,981,908 km (0.083 R)
• M9: 5,773,879 km (0.087 R)
• M10: 7,001,928 km (0.114 R)
• M11: 7,608,398 km (0.057 R)
• M12: 8,286,226 km (0.103 R)
• M13: 9,160,177 km (0.104 R)
• M14: 9,639,937 km (0.071 R)
• M15: 11,091,336 km (0.119 R)
• M16: 12,248,176 km (0.105 R)
• M17: 15,184,034 km (0.067 R)
• M18: 16,143,555 km (0.069 R)
• M19: 17,203,007 km (0.115 R)
• M20: 23,206,669 km (0.071 R)
• M21: 24,024,670 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.8

Radius: 6.2

Gravity: 17.4 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.66 AU - 5.96 AU

Year: 9667 Days

Day: 20.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,717,561 km

• M1: 77,193 km (0.105 R)
• M2: 371,003 km (0.067 R)
• M3: 598,691 km (0.051 R)
• M4: 793,617 km (0.11 R)
• M5: 1,209,050 km (0.116 R)
• M6: 1,885,232 km (0.074 R)
• M7: 3,299,381 km (0.116 R)
• M8: 5,740,519 km (0.095 R)
• M9: 6,018,921 km (0.106 R)
• M10: 6,754,793 km (0.097 R)
• M11: 6,947,774 km (0.107 R)
• M12: 8,097,583 km (0.102 R)
• M13: 9,512,629 km (0.118 R)
• M14: 12,764,289 km (0.047 R)
• M15: 13,000,354 km (0.111 R)
• M16: 14,161,533 km (0.112 R)
• M17: 15,456,901 km (0.119 R)
• M18: 17,617,842 km (0.076 R)
• M19: 17,910,455 km (0.118 R)
• M20: 18,581,103 km (0.087 R)
• M21: 20,774,357 km (0.091 R)
• M22: 22,102,038 km (0.098 R)
• M23: 25,855,000 km (0.109 R)
• M24: 28,984,288 km (0.096 R)
• M25: 34,821,896 km (0.105 R)
• M26: 36,691,122 km (0.103 R)
• M27: 37,048,960 km (0.12 R)
• M28: 37,529,618 km (0.075 R)
• M29: 39,369,223 km (0.11 R)
• M30: 43,893,661 km (0.042 R)
• M31: 45,934,475 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.8

Radius: 6.2

Gravity: 23.17 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.55 AU - 12.15 AU

Year: 21339 Days

Day: 21.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,717,561 km

• M1: 77,043 km (0.078 R)
• M2: 319,990 km (0.104 R)
• M3: 608,115 km (0.109 R)
• M4: 974,780 km (0.119 R)
• M5: 2,324,003 km (0.114 R)
• M6: 4,394,886 km (0.093 R)
• M7: 5,790,186 km (0.086 R)
• M8: 6,588,290 km (0.039 R)
• M9: 8,238,355 km (0.103 R)
• M10: 12,975,820 km (0.093 R)
• M11: 13,344,429 km (0.113 R)
• M12: 14,257,275 km (0.101 R)
• M13: 16,376,928 km (0.093 R)
• M14: 17,422,617 km (0.089 R)
• M15: 19,550,048 km (0.065 R)
• M16: 20,328,855 km (0.042 R)
• M17: 21,433,336 km (0.031 R)
• M18: 24,985,836 km (0.063 R)
• M19: 25,327,069 km (0.073 R)
• M20: 27,560,715 km (0.035 R)
• M21: 30,178,528 km (0.03 R)
• M22: 31,217,934 km (0.093 R)
• M23: 35,902,442 km (0.053 R)
• M24: 36,774,897 km (0.083 R)
• M25: 37,068,856 km (0.051 R)
• M26: 39,018,117 km (0.072 R)
• M27: 48,727,018 km (0.098 R)
• M28: 49,081,715 km (0.114 R)
• M29: 50,881,078 km (0.113 R)
• M30: 56,152,010 km (0.111 R)
• M31: 57,524,420 km (0.114 R)
• M32: 60,950,361 km (0.085 R)
• M33: 74,360,464 km (0.113 R)
• M34: 80,380,582 km (0.064 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 14,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit