🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.06 AU - 1.46 AU

Year: 517 Days

Day: 19.1 Hours

Environment

Temp: 9 °C

Axial Tilt: 11.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.94 AU - 2.72 AU

Year: 1299 Days

Day: 47.6 Hours

Environment

Temp: -86 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,568,844 km

• M1: 991,684 km (0.027 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.27 AU - 2.77 AU

Year: 1461 Days

Day: 40.5 Hours

Environment

Temp: -93 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213

Radius: 12.7

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.44 AU - 6.9 AU

Year: 5598 Days

Day: 10.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,568,844 km

• M1: 157,975 km (0.117 R)
• M2: 588,967 km (0.099 R)
• M3: 1,623,436 km (0.065 R)
• M4: 2,781,922 km (0.083 R)
• M5: 3,801,282 km (0.03 R)
• M6: 5,402,278 km (0.12 R)
• M7: 7,258,489 km (0.056 R)
• M8: 10,391,068 km (0.096 R)
• M9: 15,030,547 km (0.095 R)
• M10: 15,648,087 km (0.049 R)
• M11: 17,433,687 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.6

Radius: 12.6

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 10.99 AU - 13.05 AU

Year: 15221 Days

Day: 8.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,568,844 km

• M1: 207,043 km (0.073 R)
• M2: 638,933 km (0.044 R)
• M3: 1,168,509 km (0.066 R)
• M4: 2,850,737 km (0.11 R)
• M5: 4,151,640 km (0.091 R)
• M6: 4,832,460 km (0.117 R)
• M7: 8,214,120 km (0.117 R)
• M8: 10,894,615 km (0.115 R)
• M9: 11,623,306 km (0.083 R)
• M10: 14,594,918 km (0.108 R)
• M11: 15,480,836 km (0.09 R)
• M12: 21,356,143 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 13,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit