🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.44 AU - 0.58 AU

Year: 135 Days

Day: 25.1 Hours

Environment

Temp: 191 °C

Axial Tilt: 31 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.34 AU - 1.7 AU

Year: 695 Days

Day: 23.8 Hours

Environment

Temp: -38 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,046,638 km

• M1: 39,943 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.6

Radius: 14.3

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 10.54 AU - 11.84 AU

Year: 13882 Days

Day: 5.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,046,638 km

• M1: 178,171 km (0.059 R)
• M2: 821,292 km (0.115 R)
• M3: 1,464,713 km (0.087 R)
• M4: 1,930,261 km (0.104 R)
• M5: 2,397,755 km (0.11 R)
• M6: 3,416,067 km (0.061 R)
• M7: 4,430,790 km (0.092 R)
• M8: 7,432,471 km (0.109 R)
• M9: 8,792,316 km (0.076 R)
• M10: 12,726,141 km (0.079 R)
• M11: 15,495,796 km (0.048 R)
• M12: 16,428,988 km (0.098 R)
• M13: 17,096,793 km (0.062 R)
• M14: 18,171,504 km (0.087 R)
• M15: 19,128,033 km (0.108 R)
• M16: 19,618,863 km (0.07 R)
• M17: 20,711,077 km (0.118 R)
• M18: 21,228,686 km (0.096 R)
• M19: 23,108,832 km (0.064 R)
• M20: 24,042,173 km (0.057 R)
• M21: 26,485,405 km (0.09 R)
• M22: 27,301,163 km (0.094 R)
• M23: 29,739,757 km (0.115 R)
• M24: 30,955,988 km (0.118 R)
• M25: 33,962,307 km (0.093 R)
• M26: 36,654,171 km (0.068 R)
• M27: 38,959,923 km (0.093 R)
• M28: 40,148,329 km (0.108 R)
• M29: 44,570,442 km (0.089 R)
• M30: 50,853,552 km (0.103 R)
• M31: 55,025,388 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.4

Radius: 8.7

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 10.71 AU - 13.11 AU

Year: 15243 Days

Day: 13.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,046,638 km

• M1: 108,608 km (0.091 R)
• M2: 969,394 km (0.1 R)
• M3: 1,379,292 km (0.098 R)
• M4: 1,830,031 km (0.098 R)
• M5: 2,688,274 km (0.109 R)
• M6: 3,129,737 km (0.114 R)
• M7: 4,579,939 km (0.069 R)
• M8: 6,265,308 km (0.031 R)
• M9: 7,088,097 km (0.113 R)
• M10: 7,549,307 km (0.062 R)
• M11: 8,378,977 km (0.098 R)
• M12: 9,000,257 km (0.105 R)
• M13: 11,418,805 km (0.115 R)
• M14: 12,313,102 km (0.067 R)
• M15: 13,811,623 km (0.098 R)
• M16: 15,504,323 km (0.106 R)
• M17: 18,253,334 km (0.08 R)
• M18: 22,467,955 km (0.058 R)
• M19: 27,738,587 km (0.038 R)
• M20: 28,078,772 km (0.114 R)
• M21: 28,999,547 km (0.05 R)
• M22: 32,632,232 km (0.092 R)
• M23: 34,166,508 km (0.11 R)
• M24: 39,915,405 km (0.08 R)
• M25: 43,933,005 km (0.09 R)
• M26: 45,802,081 km (0.076 R)
• M27: 53,809,606 km (0.09 R)
• M28: 57,404,443 km (0.099 R)
• M29: 59,636,593 km (0.118 R)
• M30: 66,273,951 km (0.057 R)
• M31: 69,979,490 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.3

Radius: 7.4

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 14.8 AU - 17.52 AU

Year: 24092 Days

Day: 23.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,046,638 km

• M1: 170,242 km (0.036 R)
• M2: 1,554,023 km (0.119 R)
• M3: 5,639,391 km (0.098 R)
• M4: 8,919,025 km (0.095 R)
• M5: 10,527,352 km (0.11 R)
• M6: 11,463,984 km (0.119 R)
• M7: 12,936,925 km (0.076 R)
• M8: 17,759,661 km (0.053 R)
• M9: 27,162,336 km (0.077 R)
• M10: 29,036,648 km (0.099 R)
• M11: 33,963,504 km (0.049 R)
• M12: 44,949,971 km (0.073 R)
• M13: 47,565,690 km (0.067 R)
• M14: 49,421,601 km (0.1 R)
• M15: 59,044,335 km (0.12 R)
• M16: 62,177,363 km (0.109 R)
• M17: 63,987,497 km (0.075 R)
• M18: 67,082,079 km (0.091 R)
• M19: 71,361,326 km (0.113 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 12,226 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit