🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 11.7

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.52 AU - 0.84 AU

Year: 380 Days

Day: 11.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,428,193 km

• M1: 146,905 km (0.099 R)
• M2: 823,686 km (0.079 R)
• M3: 1,328,579 km (0.117 R)
• M4: 1,697,487 km (0.108 R)
• M5: 2,456,098 km (0.111 R)
• M6: 2,846,399 km (0.091 R)
• M7: 3,310,302 km (0.081 R)
• M8: 4,391,296 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.2

Radius: 9

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.72 AU - 0.96 AU

Year: 522 Days

Day: 10.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,428,193 km

• M1: 111,899 km (0.042 R)
• M2: 493,075 km (0.089 R)
• M3: 782,546 km (0.115 R)
• M4: 1,646,025 km (0.071 R)
• M5: 2,223,473 km (0.111 R)
• M6: 2,544,510 km (0.109 R)
• M7: 3,928,739 km (0.055 R)
• M8: 4,847,121 km (0.093 R)
• M9: 5,306,236 km (0.115 R)
• M10: 5,722,418 km (0.059 R)
• M11: 6,581,409 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.9

Radius: 8.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.37 AU - 1.97 AU

Year: 1464 Days

Day: 12.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,428,193 km

• M1: 108,159 km (0.111 R)
• M2: 590,014 km (0.032 R)
• M3: 1,159,383 km (0.109 R)
• M4: 1,653,356 km (0.083 R)
• M5: 3,110,589 km (0.087 R)
• M6: 3,580,326 km (0.079 R)
• M7: 3,875,782 km (0.094 R)
• M8: 4,694,980 km (0.108 R)
• M9: 5,332,117 km (0.102 R)
• M10: 5,870,819 km (0.105 R)
• M11: 6,363,893 km (0.097 R)
• M12: 7,166,187 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.4

Radius: 11.1

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.88 AU - 4.42 AU

Year: 5734 Days

Day: 6.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,428,193 km

• M1: 138,228 km (0.116 R)
• M2: 525,687 km (0.058 R)
• M3: 918,082 km (0.093 R)
• M4: 1,269,637 km (0.117 R)
• M5: 1,827,338 km (0.117 R)
• M6: 2,260,573 km (0.097 R)
• M7: 2,727,768 km (0.072 R)
• M8: 3,124,501 km (0.115 R)
• M9: 4,081,180 km (0.046 R)
• M10: 5,062,841 km (0.054 R)
• M11: 6,629,430 km (0.103 R)
• M12: 7,250,859 km (0.073 R)
• M13: 8,534,708 km (0.119 R)
• M14: 9,471,191 km (0.12 R)
• M15: 9,881,089 km (0.093 R)
• M16: 10,518,226 km (0.105 R)
• M17: 11,364,202 km (0.114 R)
• M18: 12,497,107 km (0.089 R)
• M19: 18,414,301 km (0.043 R)
• M20: 20,108,347 km (0.118 R)
• M21: 21,620,931 km (0.066 R)
• M22: 22,694,895 km (0.072 R)
• M23: 23,282,066 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.5

Radius: 5.9

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.94 AU - 9.64 AU

Year: 16189 Days

Day: 22.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,428,193 km

• M1: 74,649 km (0.032 R)
• M2: 337,044 km (0.064 R)
• M3: 522,396 km (0.063 R)
• M4: 1,437,336 km (0.103 R)
• M5: 2,556,777 km (0.097 R)
• M6: 3,232,960 km (0.07 R)
• M7: 4,021,640 km (0.089 R)
• M8: 5,400,782 km (0.118 R)
• M9: 5,825,790 km (0.111 R)
• M10: 6,196,793 km (0.088 R)
• M11: 6,702,583 km (0.098 R)
• M12: 6,904,241 km (0.096 R)
• M13: 8,109,701 km (0.038 R)
• M14: 11,041,071 km (0.112 R)
• M15: 13,558,653 km (0.118 R)
• M16: 14,078,057 km (0.086 R)
• M17: 14,610,626 km (0.116 R)
• M18: 23,173,309 km (0.109 R)
• M19: 23,821,815 km (0.102 R)
• M20: 28,177,956 km (0.077 R)
• M21: 41,326,561 km (0.109 R)
• M22: 47,413,250 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.1

Radius: 4.6

Gravity: 26.61 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.95 AU - 11.59 AU

Year: 23973 Days

Day: 23.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,428,193 km

• M1: 57,296 km (0.115 R)
• M2: 237,861 km (0.098 R)
• M3: 1,421,479 km (0.112 R)
• M4: 1,586,934 km (0.105 R)
• M5: 1,783,955 km (0.101 R)
• M6: 2,971,762 km (0.071 R)
• M7: 3,160,704 km (0.069 R)
• M8: 3,997,554 km (0.07 R)
• M9: 4,295,553 km (0.101 R)
• M10: 4,643,668 km (0.112 R)
• M11: 4,788,179 km (0.063 R)
• M12: 7,332,240 km (0.102 R)
• M13: 7,728,076 km (0.075 R)
• M14: 8,401,566 km (0.097 R)
• M15: 9,687,509 km (0.066 R)
• M16: 11,358,069 km (0.108 R)
• M17: 15,019,776 km (0.1 R)
• M18: 15,819,825 km (0.101 R)
• M19: 16,732,223 km (0.09 R)
• M20: 17,072,408 km (0.084 R)
• M21: 17,504,297 km (0.104 R)
• M22: 20,442,250 km (0.116 R)
• M23: 20,733,367 km (0.089 R)
• M24: 20,929,041 km (0.119 R)
• M25: 35,477,584 km (0.047 R)
• M26: 36,892,331 km (0.07 R)
• M27: 38,197,423 km (0.104 R)
• M28: 41,671,833 km (0.119 R)
• M29: 51,894,305 km (0.075 R)
• M30: 52,799,521 km (0.118 R)
• M31: 56,335,117 km (0.045 R)
• M32: 64,495,831 km (0.066 R)
• M33: 71,164,305 km (0.112 R)
• M34: 75,239,501 km (0.029 R)
• M35: 77,099,601 km (0.111 R)
• M36: 77,334,320 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 13,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit