🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.83 AU - 1.03 AU

Year: 326 Days

Day: 42.6 Hours

Environment

Temp: 148 °C

Axial Tilt: 4.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.28 AU - 3.46 AU

Year: 1767 Days

Day: 30.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.35 AU - 3.43 AU

Year: 2268 Days

Day: 37 Hours

Environment

Temp: -101 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,367,199 km

• M1: 248,482 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.97 AU - 4.43 AU

Year: 2587 Days

Day: 14.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,367,199 km

• M1: 3,589,601 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.66 AU - 4.22 AU

Year: 2842 Days

Day: 21.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 11.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.4

Radius: 9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.87 AU - 13.55 AU

Year: 13641 Days

Day: 5.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,367,199 km

• M1: 111,899 km (0.108 R)
• M2: 548,127 km (0.111 R)
• M3: 1,145,920 km (0.068 R)
• M4: 1,498,522 km (0.066 R)
• M5: 4,233,919 km (0.116 R)
• M6: 5,460,621 km (0.116 R)
• M7: 8,215,167 km (0.089 R)
• M8: 8,684,904 km (0.087 R)
• M9: 13,636,893 km (0.057 R)
• M10: 20,744,288 km (0.106 R)
• M11: 27,649,277 km (0.059 R)
• M12: 30,086,226 km (0.102 R)
• M13: 30,793,525 km (0.109 R)
• M14: 31,719,087 km (0.107 R)
• M15: 35,944,928 km (0.118 R)
• M16: 41,394,180 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.2

Radius: 13.9

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 10.54 AU - 13.34 AU

Year: 14995 Days

Day: 10.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 132.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,367,199 km

• M1: 172,935 km (0.048 R)
• M2: 620,532 km (0.084 R)
• M3: 1,699,731 km (0.091 R)
• M4: 2,298,571 km (0.081 R)
• M5: 4,138,176 km (0.064 R)
• M6: 4,748,087 km (0.082 R)
• M7: 6,069,186 km (0.12 R)
• M8: 6,518,278 km (0.074 R)
• M9: 8,951,937 km (0.108 R)
• M10: 10,145,129 km (0.112 R)
• M11: 10,721,380 km (0.052 R)
• M12: 11,198,149 km (0.095 R)
• M13: 13,798,010 km (0.025 R)
• M14: 16,619,127 km (0.041 R)
• M15: 17,584,781 km (0.106 R)
• M16: 18,165,071 km (0.098 R)
• M17: 18,930,115 km (0.098 R)
• M18: 20,162,502 km (0.05 R)
• M19: 24,080,021 km (0.05 R)
• M20: 26,271,032 km (0.093 R)
• M21: 28,139,808 km (0.085 R)
• M22: 28,705,887 km (0.084 R)
• M23: 32,387,191 km (0.057 R)
• M24: 33,893,043 km (0.05 R)
• M25: 40,529,055 km (0.083 R)
• M26: 46,708,494 km (0.109 R)
• M27: 47,822,699 km (0.074 R)
• M28: 55,059,796 km (0.117 R)
• M29: 60,145,525 km (0.066 R)
• M30: 64,354,910 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.9

Radius: 7.8

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 15.49 AU - 21.17 AU

Year: 28522 Days

Day: 16.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 65.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,367,199 km

• M1: 134,040 km (0.088 R)
• M2: 393,891 km (0.095 R)
• M3: 756,965 km (0.089 R)
• M4: 1,111,811 km (0.071 R)
• M5: 1,413,101 km (0.055 R)
• M6: 3,044,167 km (0.059 R)
• M7: 3,732,916 km (0.118 R)
• M8: 4,917,880 km (0.069 R)
• M9: 5,455,834 km (0.105 R)
• M10: 5,822,050 km (0.056 R)
• M11: 6,335,769 km (0.038 R)
• M12: 7,601,965 km (0.069 R)
• M13: 9,141,178 km (0.061 R)
• M14: 9,775,922 km (0.086 R)
• M15: 10,941,139 km (0.084 R)
• M16: 13,180,620 km (0.08 R)
• M17: 13,471,288 km (0.049 R)
• M18: 20,033,698 km (0.062 R)
• M19: 20,710,030 km (0.077 R)
• M20: 22,108,172 km (0.094 R)
• M21: 24,321,771 km (0.109 R)
• M22: 24,759,644 km (0.093 R)
• M23: 27,379,552 km (0.113 R)
• M24: 28,817,337 km (0.096 R)
• M25: 32,630,736 km (0.115 R)
• M26: 33,566,621 km (0.103 R)
• M27: 36,767,566 km (0.099 R)
• M28: 41,240,991 km (0.073 R)
• M29: 42,492,378 km (0.059 R)
• M30: 44,092,028 km (0.109 R)
• M31: 51,429,654 km (0.112 R)
• M32: 54,169,239 km (0.064 R)
• M33: 64,418,489 km (0.041 R)
• M34: 69,776,037 km (0.066 R)
• M35: 74,499,740 km (0.114 R)

Kuiper Belt

Range: 30.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 10,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit