🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.2

Radius: 13.3

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.62 AU - 0.84 AU

Year: 431 Days

Day: 10.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,567,542 km

• M1: 165,455 km (0.097 R)
• M2: 613,202 km (0.038 R)
• M3: 1,069,924 km (0.085 R)
• M4: 1,517,222 km (0.084 R)
• M5: 1,935,348 km (0.092 R)
• M6: 2,631,726 km (0.054 R)
• M7: 3,048,356 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.7

Radius: 12.4

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.66 AU - 0.88 AU

Year: 466 Days

Day: 9.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,567,542 km

• M1: 154,385 km (0.112 R)
• M2: 601,832 km (0.044 R)
• M3: 1,006,644 km (0.052 R)
• M4: 1,562,400 km (0.101 R)
• M5: 2,063,254 km (0.095 R)
• M6: 2,490,206 km (0.034 R)
• M7: 3,096,227 km (0.112 R)
• M8: 3,577,483 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.2

Radius: 13.3

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.86 AU - 3.8 AU

Year: 4194 Days

Day: 6.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,567,542 km

• M1: 165,455 km (0.079 R)
• M2: 764,595 km (0.109 R)
• M3: 1,178,532 km (0.114 R)
• M4: 2,254,141 km (0.118 R)
• M5: 2,683,337 km (0.077 R)
• M6: 3,441,798 km (0.114 R)
• M7: 4,315,300 km (0.08 R)
• M8: 5,116,397 km (0.061 R)
• M9: 5,838,506 km (0.114 R)
• M10: 6,285,355 km (0.109 R)
• M11: 7,081,365 km (0.111 R)
• M12: 7,979,401 km (0.083 R)
• M13: 8,951,937 km (0.064 R)
• M14: 10,644,337 km (0.057 R)
• M15: 11,497,195 km (0.045 R)
• M16: 17,786,289 km (0.113 R)
• M17: 18,922,784 km (0.082 R)
• M18: 21,340,286 km (0.115 R)
• M19: 24,874,984 km (0.082 R)
• M20: 25,895,691 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.5

Radius: 5.9

Gravity: 18.89 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.95 AU - 7.51 AU

Year: 10734 Days

Day: 18.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,567,542 km

• M1: 74,799 km (0.119 R)
• M2: 308,022 km (0.11 R)
• M3: 538,253 km (0.119 R)
• M4: 757,564 km (0.111 R)
• M5: 1,171,501 km (0.1 R)
• M6: 1,396,347 km (0.089 R)
• M7: 2,141,344 km (0.111 R)
• M8: 2,746,617 km (0.047 R)
• M9: 3,459,600 km (0.113 R)
• M10: 4,464,300 km (0.057 R)
• M11: 5,377,744 km (0.095 R)
• M12: 5,790,036 km (0.106 R)
• M13: 6,223,122 km (0.089 R)
• M14: 7,235,301 km (0.098 R)
• M15: 9,239,314 km (0.103 R)
• M16: 10,033,080 km (0.082 R)
• M17: 10,394,359 km (0.052 R)
• M18: 15,227,567 km (0.119 R)
• M19: 15,912,127 km (0.099 R)
• M20: 17,638,636 km (0.103 R)
• M21: 18,778,871 km (0.082 R)
• M22: 19,565,756 km (0.119 R)
• M23: 20,870,249 km (0.116 R)
• M24: 26,670,009 km (0.119 R)
• M25: 28,888,097 km (0.047 R)
• M26: 29,408,697 km (0.107 R)
• M27: 31,117,255 km (0.056 R)
• M28: 34,264,345 km (0.049 R)
• M29: 38,613,903 km (0.104 R)
• M30: 39,118,796 km (0.065 R)
• M31: 41,577,287 km (0.103 R)
• M32: 42,642,574 km (0.059 R)
• M33: 43,999,576 km (0.076 R)
• M34: 46,656,883 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 17,096 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit