🌌 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: 811.7

Radius: 8.7

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.46 AU - 0.72 AU

Year: 307 Days

Day: 7.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,220,797 km

• M1: 108,159 km (0.043 R)
• M2: 383,868 km (0.107 R)
• M3: 742,753 km (0.099 R)
• M4: 1,197,082 km (0.06 R)
• M5: 1,865,635 km (0.103 R)
• M6: 2,782,969 km (0.08 R)
• M7: 4,139,373 km (0.05 R)
• M8: 4,634,991 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.2

Radius: 10.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.98 AU - 2.36 AU

Year: 2168 Days

Day: 7 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,220,797 km

• M1: 134,339 km (0.084 R)
• M2: 534,064 km (0.055 R)
• M3: 927,208 km (0.109 R)
• M4: 1,711,699 km (0.053 R)
• M5: 2,559,470 km (0.069 R)
• M6: 3,181,498 km (0.064 R)
• M7: 3,666,793 km (0.079 R)
• M8: 4,201,007 km (0.066 R)
• M9: 4,649,651 km (0.077 R)
• M10: 5,340,046 km (0.106 R)
• M11: 6,167,621 km (0.094 R)
• M12: 6,748,809 km (0.044 R)
• M13: 7,499,341 km (0.115 R)
• M14: 8,565,974 km (0.049 R)
• M15: 9,074,756 km (0.049 R)
• M16: 9,859,547 km (0.087 R)
• M17: 10,218,881 km (0.04 R)
• M18: 11,927,438 km (0.106 R)
• M19: 12,298,142 km (0.065 R)
• M20: 12,791,815 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.2

Radius: 14

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.74 AU - 2.66 AU

Year: 2213 Days

Day: 13.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,220,797 km

• M1: 174,132 km (0.036 R)
• M2: 812,167 km (0.117 R)
• M3: 1,318,256 km (0.094 R)
• M4: 2,063,852 km (0.095 R)
• M5: 2,717,745 km (0.106 R)
• M6: 3,616,229 km (0.097 R)
• M7: 4,216,715 km (0.073 R)
• M8: 5,089,619 km (0.026 R)
• M9: 6,239,129 km (0.099 R)
• M10: 7,077,774 km (0.106 R)
• M11: 7,555,141 km (0.1 R)
• M12: 9,648,165 km (0.107 R)
• M13: 10,273,933 km (0.095 R)
• M14: 11,729,670 km (0.104 R)
• M15: 12,357,532 km (0.097 R)
• M16: 13,184,958 km (0.111 R)
• M17: 13,635,098 km (0.118 R)
• M18: 14,142,235 km (0.107 R)
• M19: 15,940,850 km (0.082 R)
• M20: 17,833,113 km (0.067 R)
• M21: 18,890,022 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.8

Radius: 6.1

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 9.16 AU - 12.24 AU

Year: 23739 Days

Day: 20.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,220,797 km

• M1: 75,996 km (0.096 R)
• M2: 340,036 km (0.099 R)
• M3: 760,406 km (0.095 R)
• M4: 1,628,373 km (0.079 R)
• M5: 5,085,280 km (0.108 R)
• M6: 5,867,677 km (0.036 R)
• M7: 6,419,544 km (0.118 R)
• M8: 7,668,836 km (0.047 R)
• M9: 8,834,951 km (0.116 R)
• M10: 12,318,337 km (0.109 R)
• M11: 23,780,826 km (0.077 R)
• M12: 31,527,901 km (0.074 R)
• M13: 39,892,067 km (0.063 R)
• M14: 40,801,922 km (0.108 R)
• M15: 48,731,506 km (0.109 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 10,811 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit