🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.53 AU - 0.69 AU

Year: 313 Days

Day: 16.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.7

Radius: 9.5

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.7 AU - 0.92 AU

Year: 478 Days

Day: 11 Hours

Environment

Temp: -142 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 8,031,454 km

• M1: 118,182 km (0.048 R)
• M2: 434,283 km (0.099 R)
• M3: 876,644 km (0.09 R)
• M4: 1,258,118 km (0.074 R)
• M5: 1,568,085 km (0.083 R)
• M6: 1,978,731 km (0.106 R)
• M7: 2,412,714 km (0.101 R)
• M8: 2,813,188 km (0.064 R)
• M9: 3,879,073 km (0.101 R)
• M10: 4,359,581 km (0.071 R)
• M11: 4,879,284 km (0.096 R)
• M12: 6,078,461 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740

Radius: 11.3

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.58 AU - 1.92 AU

Year: 1519 Days

Day: 7 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 8,031,454 km

• M1: 142,417 km (0.117 R)
• M2: 545,434 km (0.102 R)
• M3: 1,040,902 km (0.117 R)
• M4: 1,771,089 km (0.037 R)
• M5: 3,119,265 km (0.089 R)
• M6: 3,622,512 km (0.041 R)
• M7: 4,365,116 km (0.105 R)
• M8: 5,292,025 km (0.113 R)
• M9: 5,802,303 km (0.051 R)
• M10: 8,209,183 km (0.086 R)
• M11: 8,802,937 km (0.112 R)
• M12: 9,457,129 km (0.119 R)
• M13: 10,481,575 km (0.091 R)
• M14: 11,948,382 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.9

Radius: 12.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.58 AU - 2.78 AU

Year: 2878 Days

Day: 14.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 8,031,454 km

• M1: 159,322 km (0.104 R)
• M2: 966,103 km (0.031 R)
• M3: 1,371,513 km (0.092 R)
• M4: 1,825,842 km (0.111 R)
• M5: 2,242,322 km (0.115 R)
• M6: 3,097,424 km (0.074 R)
• M7: 4,055,299 km (0.115 R)
• M8: 5,378,941 km (0.115 R)
• M9: 6,189,761 km (0.066 R)
• M10: 7,500,688 km (0.117 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: 278 - 19,182 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit