🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.61 AU - 0.65 AU

Year: 186 Days

Day: 33 Hours

Environment

Temp: 179 °C

Axial Tilt: 24.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.47 AU - 2.93 AU

Year: 1654 Days

Day: 43.1 Hours

Environment

Temp: -101 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,714,568 km

• M1: 2,386,535 km (0.116 R)

Asteroid Belt

Center: 6.16 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.9

Radius: 12.3

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.72 AU - 11.52 AU

Year: 11123 Days

Day: 13.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,714,568 km

• M1: 153,039 km (0.116 R)
• M2: 1,120,039 km (0.114 R)
• M3: 1,606,831 km (0.074 R)
• M4: 1,999,076 km (0.082 R)
• M5: 2,623,797 km (0.09 R)
• M6: 6,511,547 km (0.078 R)
• M7: 7,143,598 km (0.055 R)
• M8: 8,037,295 km (0.078 R)
• M9: 11,497,045 km (0.09 R)
• M10: 13,342,634 km (0.065 R)
• M11: 13,981,567 km (0.118 R)
• M12: 14,921,640 km (0.107 R)
• M13: 23,707,822 km (0.097 R)
• M14: 25,527,081 km (0.034 R)
• M15: 26,016,566 km (0.11 R)
• M16: 27,014,383 km (0.1 R)
• M17: 28,821,825 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.8

Radius: 7.6

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 11.3 AU - 18.36 AU

Year: 21290 Days

Day: 22.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,714,568 km

• M1: 94,546 km (0.118 R)
• M2: 405,709 km (0.116 R)
• M3: 781,649 km (0.113 R)
• M4: 1,932,804 km (0.092 R)
• M5: 2,625,293 km (0.115 R)
• M6: 3,086,503 km (0.073 R)
• M7: 6,279,819 km (0.109 R)
• M8: 10,375,959 km (0.081 R)
• M9: 17,876,198 km (0.093 R)
• M10: 24,216,006 km (0.116 R)
• M11: 32,927,688 km (0.066 R)
• M12: 40,553,140 km (0.08 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 15,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit