🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.4

Radius: 13.4

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.71 AU - 0.83 AU

Year: 458 Days

Day: 13.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,252,508 km

• M1: 166,652 km (0.07 R)
• M2: 671,246 km (0.11 R)
• M3: 1,090,419 km (0.094 R)
• M4: 1,537,118 km (0.109 R)
• M5: 2,306,201 km (0.109 R)
• M6: 3,120,911 km (0.065 R)
• M7: 3,590,947 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.1

Radius: 8.4

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.4 AU - 1.76 AU

Year: 1347 Days

Day: 12.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,252,508 km

• M1: 104,419 km (0.09 R)
• M2: 372,648 km (0.114 R)
• M3: 821,143 km (0.08 R)
• M4: 1,515,127 km (0.119 R)
• M5: 2,146,729 km (0.086 R)
• M6: 2,632,025 km (0.049 R)
• M7: 3,623,709 km (0.068 R)
• M8: 4,405,059 km (0.114 R)
• M9: 4,925,360 km (0.11 R)
• M10: 5,485,754 km (0.118 R)
• M11: 6,808,349 km (0.111 R)
• M12: 7,240,986 km (0.118 R)
• M13: 7,584,163 km (0.047 R)
• M14: 7,965,787 km (0.119 R)
• M15: 8,388,850 km (0.102 R)
• M16: 11,319,622 km (0.063 R)
• M17: 11,710,372 km (0.117 R)
• M18: 12,369,201 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.3

Radius: 12.4

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.82 AU - 1.9 AU

Year: 1721 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,252,508 km

• M1: 157,527 km (0.118 R)
• M2: 548,127 km (0.114 R)
• M3: 1,139,786 km (0.038 R)
• M4: 1,777,971 km (0.102 R)
• M5: 2,290,942 km (0.069 R)
• M6: 2,702,037 km (0.084 R)
• M7: 3,305,814 km (0.105 R)
• M8: 6,227,610 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.5

Radius: 13

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.57 AU - 2.21 AU

Year: 1762 Days

Day: 6.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,252,508 km

• M1: 162,014 km (0.114 R)
• M2: 577,149 km (0.11 R)
• M3: 1,104,930 km (0.12 R)
• M4: 1,695,991 km (0.114 R)
• M5: 2,713,855 km (0.1 R)
• M6: 3,793,652 km (0.094 R)
• M7: 4,465,945 km (0.032 R)
• M8: 5,030,528 km (0.063 R)
• M9: 6,028,944 km (0.077 R)
• M10: 8,654,686 km (0.089 R)
• M11: 9,366,023 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.2

Radius: 10.9

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.26 AU - 2.6 AU

Year: 2569 Days

Day: 14.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,252,508 km

• M1: 135,835 km (0.039 R)
• M2: 487,689 km (0.118 R)
• M3: 1,076,955 km (0.115 R)
• M4: 1,421,629 km (0.032 R)
• M5: 2,158,398 km (0.092 R)
• M6: 3,445,239 km (0.069 R)
• M7: 5,022,599 km (0.109 R)
• M8: 6,440,338 km (0.092 R)
• M9: 7,421,999 km (0.118 R)
• M10: 7,917,168 km (0.099 R)
• M11: 8,701,360 km (0.053 R)
• M12: 9,572,319 km (0.031 R)
• M13: 10,122,241 km (0.094 R)
• M14: 11,365,997 km (0.092 R)
• M15: 13,600,391 km (0.072 R)
• M16: 15,808,456 km (0.113 R)
• M17: 16,577,389 km (0.079 R)
• M18: 17,424,861 km (0.097 R)
• M19: 19,148,976 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.1

Radius: 12.7

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.24 AU - 4.46 AU

Year: 6154 Days

Day: 5.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,252,508 km

• M1: 157,975 km (0.12 R)
• M2: 768,783 km (0.118 R)
• M3: 1,667,867 km (0.109 R)
• M4: 2,910,576 km (0.042 R)
• M5: 3,663,203 km (0.059 R)
• M6: 4,169,741 km (0.066 R)
• M7: 5,100,240 km (0.108 R)
• M8: 10,932,164 km (0.079 R)
• M9: 11,889,291 km (0.105 R)
• M10: 13,589,770 km (0.083 R)
• M11: 16,284,177 km (0.071 R)
• M12: 19,867,944 km (0.074 R)
• M13: 20,429,833 km (0.096 R)
• M14: 22,329,128 km (0.066 R)
• M15: 24,744,385 km (0.105 R)
• M16: 25,476,966 km (0.084 R)
• M17: 26,985,661 km (0.075 R)
• M18: 27,936,505 km (0.114 R)
• M19: 29,631,299 km (0.075 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: 188 - 13,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit