🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.61 AU - 0.95 AU

Year: 241 Days

Day: 32.7 Hours

Environment

Temp: 155 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 93,556,075 km

• M1: 534,364 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.19 AU - 2.59 AU

Year: 1293 Days

Day: 28 Hours

Environment

Temp: -60 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.98 AU - 2.88 AU

Year: 1325 Days

Day: 26 Hours

Environment

Temp: -70 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 93,556,075 km

• M1: 653,443 km (0.078 R)
• M2: 1,094,907 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237

Radius: 14.4

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.92 AU - 9.02 AU

Year: 8624 Days

Day: 10.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,556,075 km

• M1: 182,360 km (0.101 R)
• M2: 641,326 km (0.117 R)
• M3: 2,940,945 km (0.092 R)
• M4: 5,276,915 km (0.062 R)
• M5: 5,940,980 km (0.085 R)
• M6: 7,058,476 km (0.052 R)
• M7: 7,721,494 km (0.097 R)
• M8: 8,464,098 km (0.076 R)
• M9: 9,583,389 km (0.086 R)
• M10: 10,441,782 km (0.044 R)
• M11: 13,854,708 km (0.095 R)
• M12: 15,755,199 km (0.104 R)
• M13: 17,951,146 km (0.04 R)
• M14: 19,931,523 km (0.108 R)
• M15: 21,401,771 km (0.092 R)
• M16: 24,715,363 km (0.081 R)
• M17: 30,125,122 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.1

Radius: 4.5

Gravity: 45.59 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 12.55 AU - 15.91 AU

Year: 18780 Days

Day: 17.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 93,556,075 km

• M1: 56,249 km (0.077 R)
• M2: 245,490 km (0.075 R)
• M3: 392,096 km (0.07 R)
• M4: 541,395 km (0.106 R)
• M5: 823,237 km (0.073 R)
• M6: 1,254,827 km (0.119 R)
• M7: 4,440,214 km (0.102 R)
• M8: 4,580,388 km (0.079 R)
• M9: 5,485,455 km (0.098 R)
• M10: 5,770,439 km (0.103 R)
• M11: 6,593,825 km (0.066 R)
• M12: 7,692,023 km (0.102 R)
• M13: 8,632,396 km (0.102 R)
• M14: 9,415,092 km (0.119 R)
• M15: 10,928,424 km (0.097 R)
• M16: 11,184,685 km (0.117 R)
• M17: 12,181,755 km (0.053 R)
• M18: 14,735,839 km (0.065 R)
• M19: 17,978,223 km (0.088 R)
• M20: 18,788,595 km (0.11 R)
• M21: 22,479,922 km (0.116 R)
• M22: 23,526,060 km (0.1 R)
• M23: 25,378,082 km (0.105 R)
• M24: 27,797,379 km (0.04 R)
• M25: 29,740,655 km (0.089 R)
• M26: 37,688,192 km (0.032 R)
• M27: 45,771,563 km (0.096 R)
• M28: 53,453,713 km (0.099 R)
• M29: 61,951,620 km (0.051 R)
• M30: 66,732,169 km (0.071 R)
• M31: 66,945,346 km (0.085 R)
• M32: 69,539,972 km (0.114 R)
• M33: 70,198,950 km (0.096 R)
• M34: 71,752,674 km (0.089 R)
• M35: 72,200,720 km (0.064 R)
• M36: 77,960,537 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.8

Radius: 4.4

Gravity: 28.81 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 14.66 AU - 24.43 AU

Year: 30218 Days

Day: 19.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 93,556,075 km

• M1: 54,753 km (0.105 R)
• M2: 228,735 km (0.062 R)
• M3: 376,687 km (0.081 R)
• M4: 896,091 km (0.068 R)
• M5: 1,717,084 km (0.058 R)
• M6: 1,957,189 km (0.101 R)
• M7: 4,946,154 km (0.076 R)
• M8: 5,601,094 km (0.072 R)
• M9: 6,312,133 km (0.108 R)
• M10: 6,498,980 km (0.064 R)
• M11: 10,787,802 km (0.077 R)
• M12: 16,475,064 km (0.115 R)
• M13: 18,966,467 km (0.077 R)
• M14: 21,697,974 km (0.107 R)
• M15: 22,663,778 km (0.119 R)
• M16: 24,911,785 km (0.067 R)
• M17: 25,614,147 km (0.065 R)
• M18: 30,504,502 km (0.027 R)
• M19: 33,237,805 km (0.083 R)
• M20: 34,231,882 km (0.106 R)
• M21: 36,130,130 km (0.119 R)
• M22: 37,029,512 km (0.111 R)
• M23: 45,457,856 km (0.1 R)
• M24: 49,378,068 km (0.098 R)
• M25: 60,570,233 km (0.05 R)
• M26: 60,990,902 km (0.081 R)
• M27: 68,444,616 km (0.092 R)
• M28: 70,514,602 km (0.046 R)
• M29: 90,504,318 km (0.111 R)
• M30: 90,778,980 km (0.114 R)
• M31: 91,606,256 km (0.118 R)
• M32: 92,717,020 km (0.032 R)

Kuiper Belt

Range: 31.4 - 46.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 11,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit