🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.51 AU - 0.55 AU

Year: 145 Days

Day: 17.7 Hours

Environment

Temp: 172 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1 AU - 1.1 AU

Year: 405 Days

Day: 25.9 Hours

Environment

Temp: 11 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.96 AU - 4.44 AU

Year: 3243 Days

Day: 29.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 11.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.5

Radius: 10.2

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 10.76 AU - 11.98 AU

Year: 14443 Days

Day: 11.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,642,101 km

• M1: 151,991 km (0.074 R)
• M2: 993,180 km (0.099 R)
• M3: 1,495,979 km (0.11 R)
• M4: 1,853,368 km (0.076 R)
• M5: 2,826,801 km (0.096 R)
• M6: 5,097,847 km (0.058 R)
• M7: 5,580,599 km (0.093 R)
• M8: 6,093,720 km (0.06 R)
• M9: 7,333,736 km (0.117 R)
• M10: 10,457,938 km (0.119 R)
• M11: 10,974,350 km (0.114 R)
• M12: 13,754,926 km (0.094 R)
• M13: 16,075,488 km (0.113 R)
• M14: 16,486,134 km (0.042 R)
• M15: 17,115,343 km (0.069 R)
• M16: 22,482,466 km (0.111 R)
• M17: 23,082,802 km (0.105 R)
• M18: 23,605,946 km (0.073 R)
• M19: 28,078,922 km (0.086 R)
• M20: 31,676,003 km (0.114 R)
• M21: 31,997,788 km (0.092 R)
• M22: 34,087,670 km (0.108 R)
• M23: 41,283,178 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 17,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit