🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.54 AU - 0.62 AU

Year: 169 Days

Day: 43.7 Hours

Environment

Temp: 183 °C

Axial Tilt: 14.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,577,029 km

• M1: 58,642 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.53 AU - 0.83 AU

Year: 215 Days

Day: 23.3 Hours

Environment

Temp: 176 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.93 AU - 1.09 AU

Year: 389 Days

Day: 26.4 Hours

Environment

Temp: 16 °C

Axial Tilt: 44 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 66,577,029 km

• M1: 133,890 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.16 AU - 3.94 AU

Year: 2561 Days

Day: 16.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,577,029 km

• M1: 99,034 km (0.109 R)

Asteroid Belt

Center: 9.02 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 14.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.4

Radius: 7.8

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 14.44 AU - 14.52 AU

Year: 21097 Days

Day: 18 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,577,029 km

• M1: 97,089 km (0.105 R)
• M2: 854,204 km (0.076 R)
• M3: 3,920,362 km (0.106 R)
• M4: 4,163,159 km (0.12 R)
• M5: 8,812,362 km (0.044 R)
• M6: 9,938,385 km (0.103 R)
• M7: 10,918,101 km (0.07 R)
• M8: 12,408,695 km (0.099 R)
• M9: 16,878,978 km (0.075 R)
• M10: 17,361,431 km (0.084 R)
• M11: 19,383,994 km (0.112 R)
• M12: 24,704,293 km (0.073 R)
• M13: 35,821,210 km (0.095 R)
• M14: 37,835,246 km (0.096 R)
• M15: 43,423,026 km (0.114 R)
• M16: 43,874,363 km (0.099 R)
• M17: 48,399,549 km (0.113 R)
• M18: 49,536,642 km (0.046 R)
• M19: 53,916,419 km (0.115 R)
• M20: 54,263,636 km (0.098 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 16,622 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit