🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.28 AU - 1.58 AU

Year: 612 Days

Day: 36.3 Hours

Environment

Temp: -16 °C

Axial Tilt: 49.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Gas Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.2

Radius: 11.7

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.14 AU - 10.4 AU

Year: 11788 Days

Day: 10.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 93,886,094 km

• M1: 145,708 km (0.074 R)
• M2: 670,946 km (0.078 R)
• M3: 1,070,971 km (0.099 R)
• M4: 1,445,863 km (0.039 R)
• M5: 2,014,635 km (0.099 R)
• M6: 4,318,143 km (0.115 R)
• M7: 4,954,233 km (0.081 R)
• M8: 5,579,253 km (0.109 R)
• M9: 6,139,646 km (0.08 R)
• M10: 6,944,932 km (0.063 R)
• M11: 7,956,812 km (0.115 R)
• M12: 8,522,291 km (0.07 R)
• M13: 9,472,687 km (0.106 R)
• M14: 9,840,099 km (0.114 R)
• M15: 12,126,254 km (0.042 R)
• M16: 13,923,672 km (0.106 R)
• M17: 21,256,361 km (0.098 R)
• M18: 22,624,883 km (0.107 R)
• M19: 24,245,776 km (0.061 R)
• M20: 26,977,433 km (0.057 R)
• M21: 28,908,592 km (0.105 R)
• M22: 32,924,696 km (0.116 R)
• M23: 34,259,857 km (0.079 R)
• M24: 35,884,191 km (0.11 R)
• M25: 38,615,399 km (0.064 R)
• M26: 46,722,706 km (0.062 R)
• M27: 49,816,540 km (0.034 R)
• M28: 53,872,736 km (0.106 R)
• M29: 55,215,826 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.5

Radius: 12

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 9.06 AU - 12.02 AU

Year: 12256 Days

Day: 11.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 93,886,094 km

• M1: 151,543 km (0.113 R)
• M2: 1,020,108 km (0.108 R)
• M3: 1,617,901 km (0.098 R)
• M4: 3,221,291 km (0.115 R)
• M5: 4,045,426 km (0.106 R)
• M6: 4,972,035 km (0.081 R)
• M7: 5,486,053 km (0.115 R)
• M8: 6,226,263 km (0.069 R)
• M9: 7,031,848 km (0.032 R)
• M10: 8,275,156 km (0.034 R)
• M11: 8,949,244 km (0.118 R)
• M12: 9,922,378 km (0.089 R)
• M13: 10,908,228 km (0.087 R)
• M14: 13,331,414 km (0.065 R)
• M15: 19,299,771 km (0.058 R)
• M16: 23,002,617 km (0.044 R)
• M17: 25,418,174 km (0.108 R)
• M18: 28,750,916 km (0.05 R)
• M19: 29,849,413 km (0.108 R)
• M20: 31,204,321 km (0.1 R)
• M21: 33,794,309 km (0.059 R)
• M22: 34,280,053 km (0.101 R)
• M23: 36,017,333 km (0.057 R)
• M24: 36,524,320 km (0.098 R)
• M25: 45,888,249 km (0.064 R)
• M26: 46,484,098 km (0.096 R)
• M27: 49,697,909 km (0.069 R)
• M28: 50,484,345 km (0.05 R)
• M29: 54,209,481 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.2

Radius: 13.3

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.42 AU - 12.82 AU

Year: 12395 Days

Day: 9.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 93,886,094 km

• M1: 166,802 km (0.051 R)
• M2: 657,632 km (0.097 R)
• M3: 1,704,518 km (0.1 R)
• M4: 2,270,148 km (0.067 R)
• M5: 2,730,161 km (0.104 R)
• M6: 3,459,002 km (0.045 R)
• M7: 4,629,456 km (0.077 R)
• M8: 5,669,311 km (0.111 R)
• M9: 8,114,039 km (0.083 R)
• M10: 10,443,876 km (0.082 R)
• M11: 13,996,377 km (0.109 R)
• M12: 15,340,813 km (0.104 R)
• M13: 17,636,542 km (0.082 R)
• M14: 18,367,776 km (0.105 R)
• M15: 19,545,261 km (0.055 R)
• M16: 21,042,287 km (0.106 R)
• M17: 22,614,261 km (0.117 R)
• M18: 28,568,406 km (0.053 R)
• M19: 32,384,199 km (0.085 R)
• M20: 37,316,740 km (0.036 R)
• M21: 52,540,119 km (0.089 R)
• M22: 60,036,468 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.2

Radius: 6.5

Gravity: 17.07 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 16.92 AU - 18.52 AU

Year: 26716 Days

Day: 21.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 93,886,094 km

• M1: 105,466 km (0.117 R)
• M2: 327,320 km (0.111 R)
• M3: 877,242 km (0.104 R)
• M4: 1,079,648 km (0.087 R)
• M5: 1,618,051 km (0.094 R)
• M6: 2,639,056 km (0.12 R)
• M7: 3,301,027 km (0.112 R)
• M8: 4,277,602 km (0.111 R)
• M9: 5,602,590 km (0.111 R)
• M10: 6,498,831 km (0.094 R)
• M11: 6,981,134 km (0.086 R)
• M12: 7,332,839 km (0.098 R)
• M13: 7,538,985 km (0.058 R)
• M14: 8,685,952 km (0.078 R)
• M15: 8,975,274 km (0.114 R)
• M16: 9,634,701 km (0.079 R)
• M17: 10,390,171 km (0.044 R)
• M18: 10,650,620 km (0.078 R)
• M19: 10,915,409 km (0.097 R)
• M20: 12,378,326 km (0.11 R)
• M21: 15,602,759 km (0.078 R)
• M22: 21,164,060 km (0.091 R)
• M23: 23,536,532 km (0.119 R)
• M24: 24,213,163 km (0.115 R)
• M25: 25,135,285 km (0.092 R)
• M26: 30,762,857 km (0.043 R)
• M27: 32,671,427 km (0.109 R)
• M28: 34,369,064 km (0.056 R)
• M29: 37,024,426 km (0.092 R)
• M30: 46,682,614 km (0.06 R)
• M31: 57,485,974 km (0.096 R)
• M32: 58,096,632 km (0.06 R)
• M33: 65,544,213 km (0.048 R)
• M34: 70,072,989 km (0.091 R)
• M35: 75,290,664 km (0.059 R)
• M36: 77,003,559 km (0.088 R)
• M37: 77,745,565 km (0.046 R)
• M38: 87,292,901 km (0.115 R)
• M39: 88,911,250 km (0.106 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 18,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit