🌌 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: 316.2

Radius: 13.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.53 AU - 0.65 AU

Year: 307 Days

Day: 13 Hours

Environment

Temp: -147 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,486,333 km

• M1: 169,195 km (0.099 R)
• M2: 592,108 km (0.095 R)
• M3: 1,648,868 km (0.096 R)
• M4: 2,312,633 km (0.064 R)
• M5: 3,093,983 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.2

Radius: 12.1

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.77 AU - 0.97 AU

Year: 550 Days

Day: 9.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,486,333 km

• M1: 150,645 km (0.085 R)
• M2: 644,019 km (0.104 R)
• M3: 1,404,275 km (0.111 R)
• M4: 1,898,547 km (0.095 R)
• M5: 2,987,769 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.1

Radius: 14

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.07 AU - 1.43 AU

Year: 948 Days

Day: 7.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,486,333 km

• M1: 174,132 km (0.098 R)
• M2: 615,446 km (0.073 R)
• M3: 1,268,440 km (0.095 R)
• M4: 1,991,297 km (0.099 R)
• M5: 2,724,776 km (0.047 R)
• M6: 3,247,620 km (0.09 R)
• M7: 4,498,258 km (0.049 R)
• M8: 5,215,580 km (0.116 R)
• M9: 5,927,516 km (0.093 R)
• M10: 7,475,256 km (0.11 R)
• M11: 7,981,046 km (0.079 R)
• M12: 8,743,547 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.2

Radius: 13.5

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.87 AU - 2.83 AU

Year: 2443 Days

Day: 7.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 179.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,486,333 km

• M1: 167,849 km (0.106 R)
• M2: 1,390,512 km (0.075 R)
• M3: 1,871,769 km (0.11 R)
• M4: 11,231,659 km (0.059 R)
• M5: 12,245,633 km (0.053 R)
• M6: 13,045,383 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.4

Radius: 3.9

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.53 AU - 11.41 AU

Year: 21352 Days

Day: 16.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,486,333 km

• M1: 48,470 km (0.106 R)
• M2: 186,997 km (0.114 R)
• M3: 451,486 km (0.057 R)
• M4: 676,631 km (0.093 R)
• M5: 856,298 km (0.104 R)
• M6: 1,468,752 km (0.103 R)
• M7: 2,425,580 km (0.086 R)
• M8: 3,610,993 km (0.112 R)
• M9: 3,814,447 km (0.091 R)
• M10: 4,887,512 km (0.112 R)
• M11: 11,682,696 km (0.06 R)
• M12: 15,700,596 km (0.105 R)
• M13: 17,652,100 km (0.118 R)
• M14: 19,525,963 km (0.07 R)
• M15: 20,390,938 km (0.097 R)
• M16: 20,550,858 km (0.063 R)
• M17: 25,469,935 km (0.108 R)
• M18: 38,029,873 km (0.117 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: 547 - 14,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit