🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.6

Radius: 11.1

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.56 AU - 0.62 AU

Year: 302 Days

Day: 13.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,440,502 km

• M1: 138,079 km (0.107 R)
• M2: 562,338 km (0.111 R)
• M3: 1,069,475 km (0.039 R)
• M4: 1,432,848 km (0.056 R)
• M5: 2,039,767 km (0.086 R)
• M6: 2,471,656 km (0.048 R)
• M7: 2,896,963 km (0.09 R)
• M8: 3,588,105 km (0.099 R)
• M9: 4,123,965 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.8

Radius: 12

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.36 AU - 2 AU

Year: 1452 Days

Day: 12.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,440,502 km

• M1: 149,299 km (0.077 R)
• M2: 780,602 km (0.106 R)
• M3: 1,190,350 km (0.117 R)
• M4: 1,931,009 km (0.042 R)
• M5: 2,648,630 km (0.119 R)
• M6: 3,745,781 km (0.077 R)
• M7: 4,544,185 km (0.115 R)
• M8: 5,068,226 km (0.036 R)
• M9: 6,087,885 km (0.103 R)
• M10: 6,500,925 km (0.05 R)
• M11: 8,801,292 km (0.088 R)
• M12: 9,734,633 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.9

Radius: 11

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.65 AU - 2.23 AU

Year: 1802 Days

Day: 11.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,440,502 km

• M1: 137,181 km (0.107 R)
• M2: 578,345 km (0.072 R)
• M3: 1,654,702 km (0.12 R)
• M4: 2,565,903 km (0.105 R)
• M5: 2,949,472 km (0.101 R)
• M6: 3,310,900 km (0.05 R)
• M7: 3,850,350 km (0.073 R)
• M8: 4,194,425 km (0.11 R)
• M9: 4,634,841 km (0.079 R)
• M10: 5,045,188 km (0.096 R)
• M11: 5,479,920 km (0.092 R)
• M12: 6,167,322 km (0.025 R)
• M13: 6,544,159 km (0.049 R)
• M14: 8,988,887 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.4

Radius: 11

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.66 AU - 2.5 AU

Year: 2000 Days

Day: 11.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,440,502 km

• M1: 136,732 km (0.077 R)
• M2: 531,072 km (0.083 R)
• M3: 878,140 km (0.091 R)
• M4: 1,344,137 km (0.069 R)
• M5: 1,940,434 km (0.099 R)
• M6: 2,380,850 km (0.1 R)
• M7: 3,596,931 km (0.035 R)
• M8: 4,534,311 km (0.106 R)
• M9: 5,102,933 km (0.032 R)
• M10: 6,020,716 km (0.118 R)
• M11: 6,506,759 km (0.066 R)
• M12: 7,257,890 km (0.12 R)
• M13: 8,037,146 km (0.098 R)
• M14: 9,794,921 km (0.074 R)
• M15: 11,353,581 km (0.076 R)
• M16: 11,870,741 km (0.042 R)
• M17: 12,912,241 km (0.092 R)
• M18: 13,475,776 km (0.12 R)
• M19: 13,971,843 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.9

Radius: 10.3

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.15 AU - 2.17 AU

Year: 2117 Days

Day: 13.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,440,502 km

• M1: 128,056 km (0.052 R)
• M2: 450,589 km (0.05 R)
• M3: 1,162,525 km (0.118 R)
• M4: 1,720,974 km (0.089 R)
• M5: 2,939,598 km (0.095 R)
• M6: 3,714,216 km (0.087 R)
• M7: 6,195,147 km (0.041 R)
• M8: 6,996,842 km (0.087 R)
• M9: 7,436,809 km (0.067 R)
• M10: 8,996,068 km (0.041 R)
• M11: 9,550,178 km (0.078 R)
• M12: 11,689,578 km (0.096 R)
• M13: 12,429,040 km (0.118 R)
• M14: 14,304,548 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.3

Radius: 12.2

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.21 AU - 3.83 AU

Year: 4404 Days

Day: 6.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,440,502 km

• M1: 151,692 km (0.107 R)
• M2: 588,668 km (0.11 R)
• M3: 1,092,962 km (0.118 R)
• M4: 2,669,574 km (0.088 R)
• M5: 3,762,237 km (0.081 R)
• M6: 6,702,733 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.6

Radius: 10.6

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.38 AU - 5.98 AU

Year: 9027 Days

Day: 5.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,440,502 km

• M1: 131,796 km (0.117 R)
• M2: 507,735 km (0.074 R)
• M3: 2,260,873 km (0.066 R)
• M4: 3,464,088 km (0.08 R)
• M5: 4,440,962 km (0.036 R)
• M6: 5,051,770 km (0.097 R)
• M7: 7,373,679 km (0.044 R)
• M8: 12,983,599 km (0.102 R)
• M9: 13,598,147 km (0.069 R)
• M10: 19,019,724 km (0.072 R)
• M11: 23,614,772 km (0.098 R)
• M12: 25,904,966 km (0.073 R)
• M13: 29,373,542 km (0.115 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 12,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit