🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.81 AU - 1.19 AU

Year: 375 Days

Day: 41.7 Hours

Environment

Temp: 6 °C

Axial Tilt: 46.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.43 AU - 2.05 AU

Year: 860 Days

Day: 29.6 Hours

Environment

Temp: -70 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.28 AU - 4.3 AU

Year: 2765 Days

Day: 16.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,648,494 km

• M1: 300,692 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.1

Radius: 8

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 14.07 AU - 20.37 AU

Year: 26778 Days

Day: 15.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,648,494 km

• M1: 181,761 km (0.111 R)
• M2: 807,529 km (0.087 R)
• M3: 2,131,171 km (0.108 R)
• M4: 5,886,078 km (0.112 R)
• M5: 6,222,224 km (0.101 R)
• M6: 8,675,779 km (0.057 R)
• M7: 17,701,617 km (0.056 R)
• M8: 19,214,650 km (0.088 R)
• M9: 19,862,109 km (0.062 R)
• M10: 21,593,555 km (0.048 R)
• M11: 23,528,005 km (0.119 R)
• M12: 26,927,467 km (0.032 R)
• M13: 31,524,161 km (0.08 R)
• M14: 34,141,675 km (0.113 R)
• M15: 39,211,995 km (0.068 R)
• M16: 48,910,575 km (0.108 R)
• M17: 54,035,349 km (0.099 R)
• M18: 58,538,245 km (0.093 R)
• M19: 59,701,668 km (0.12 R)
• M20: 62,476,559 km (0.053 R)
• M21: 66,588,107 km (0.08 R)
• M22: 77,416,150 km (0.102 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 15,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit