🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.57 AU - 0.93 AU

Year: 240 Days

Day: 13.3 Hours

Environment

Temp: 123 °C

Axial Tilt: 42.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,422,839 km

• M1: 50,414 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.71 AU - 0.99 AU

Year: 289 Days

Day: 41.9 Hours

Environment

Temp: 90 °C

Axial Tilt: 13.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.77 AU - 2.37 AU

Year: 1099 Days

Day: 32.7 Hours

Environment

Temp: -73 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.53 AU - 3.21 AU

Year: 1794 Days

Day: 37.1 Hours

Environment

Temp: -110 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.4

Radius: 12.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.4 AU - 7.68 AU

Year: 6171 Days

Day: 12.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,422,839 km

• M1: 158,125 km (0.098 R)
• M2: 620,831 km (0.11 R)
• M3: 1,025,493 km (0.118 R)
• M4: 1,499,419 km (0.073 R)
• M5: 2,332,231 km (0.098 R)
• M6: 3,412,327 km (0.063 R)
• M7: 3,816,990 km (0.097 R)
• M8: 4,301,687 km (0.11 R)
• M9: 4,724,002 km (0.108 R)
• M10: 5,174,142 km (0.114 R)
• M11: 6,316,471 km (0.1 R)
• M12: 7,166,935 km (0.052 R)
• M13: 8,241,646 km (0.067 R)
• M14: 9,176,633 km (0.087 R)
• M15: 13,741,013 km (0.07 R)
• M16: 14,552,582 km (0.062 R)
• M17: 15,742,184 km (0.059 R)
• M18: 16,995,515 km (0.097 R)
• M19: 17,994,230 km (0.073 R)
• M20: 18,638,100 km (0.059 R)
• M21: 23,583,805 km (0.082 R)
• M22: 26,770,539 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597

Radius: 9.6

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 11.15 AU - 11.49 AU

Year: 14052 Days

Day: 8.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 80.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,422,839 km

• M1: 119,529 km (0.095 R)
• M2: 755,020 km (0.104 R)
• M3: 1,682,677 km (0.085 R)
• M4: 2,861,209 km (0.069 R)
• M5: 4,099,131 km (0.117 R)
• M6: 4,969,043 km (0.047 R)
• M7: 5,554,569 km (0.042 R)
• M8: 6,340,706 km (0.116 R)
• M9: 7,156,463 km (0.084 R)
• M10: 9,246,196 km (0.1 R)
• M11: 10,348,732 km (0.072 R)
• M12: 11,654,273 km (0.082 R)
• M13: 13,002,897 km (0.09 R)
• M14: 16,007,271 km (0.03 R)
• M15: 21,873,303 km (0.102 R)
• M16: 22,972,997 km (0.111 R)
• M17: 23,726,372 km (0.111 R)
• M18: 28,596,680 km (0.071 R)
• M19: 30,022,049 km (0.103 R)
• M20: 37,996,513 km (0.117 R)
• M21: 41,629,198 km (0.076 R)
• M22: 45,634,531 km (0.059 R)
• M23: 47,578,406 km (0.092 R)
• M24: 48,034,829 km (0.097 R)
• M25: 48,340,607 km (0.116 R)
• M26: 51,630,863 km (0.042 R)
• M27: 51,951,900 km (0.094 R)
• M28: 53,412,573 km (0.033 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.5

Radius: 6.7

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 14.62 AU - 16.1 AU

Year: 22211 Days

Day: 15.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,422,839 km

• M1: 83,326 km (0.063 R)
• M2: 451,187 km (0.083 R)
• M3: 742,604 km (0.104 R)
• M4: 1,000,361 km (0.103 R)
• M5: 1,651,560 km (0.091 R)
• M6: 1,965,566 km (0.083 R)
• M7: 2,196,546 km (0.087 R)
• M8: 2,903,246 km (0.099 R)
• M9: 3,389,439 km (0.081 R)
• M10: 4,234,218 km (0.116 R)
• M11: 4,756,614 km (0.104 R)
• M12: 5,431,749 km (0.096 R)
• M13: 6,582,755 km (0.027 R)
• M14: 7,103,655 km (0.104 R)
• M15: 7,465,831 km (0.098 R)
• M16: 8,627,010 km (0.062 R)
• M17: 9,628,119 km (0.106 R)
• M18: 11,921,903 km (0.11 R)
• M19: 12,827,120 km (0.084 R)
• M20: 13,777,515 km (0.077 R)
• M21: 14,846,841 km (0.055 R)
• M22: 22,353,662 km (0.1 R)
• M23: 23,626,889 km (0.07 R)
• M24: 26,748,249 km (0.118 R)
• M25: 28,520,535 km (0.11 R)
• M26: 29,204,796 km (0.099 R)
• M27: 30,606,079 km (0.096 R)
• M28: 34,561,147 km (0.097 R)
• M29: 36,128,185 km (0.12 R)
• M30: 46,222,900 km (0.11 R)
• M31: 56,602,748 km (0.101 R)
• M32: 61,004,964 km (0.098 R)
• M33: 65,039,469 km (0.044 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 12,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit