🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.51 AU - 0.71 AU

Year: 308 Days

Day: 23.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.7

Radius: 8.9

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.74 AU - 0.9 AU

Year: 479 Days

Day: 14.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,266,733 km

• M1: 121,773 km (0.057 R)
• M2: 329,863 km (0.05 R)
• M3: 538,852 km (0.115 R)
• M4: 766,539 km (0.08 R)
• M5: 976,874 km (0.098 R)
• M6: 1,192,445 km (0.101 R)
• M7: 1,401,283 km (0.102 R)
• M8: 1,874,162 km (0.104 R)
• M9: 2,046,349 km (0.116 R)
• M10: 2,485,269 km (0.084 R)
• M11: 2,702,934 km (0.116 R)
• M12: 3,001,532 km (0.057 R)
• M13: 3,193,915 km (0.112 R)
• M14: 3,434,318 km (0.107 R)

Planet 3 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.2

Radius: 7.5

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.39 AU - 12.25 AU

Year: 22980 Days

Day: 16.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,266,733 km

• M1: 111,750 km (0.062 R)
• M2: 516,113 km (0.114 R)
• M3: 1,379,741 km (0.11 R)
• M4: 1,824,196 km (0.081 R)
• M5: 3,117,769 km (0.077 R)
• M6: 3,609,647 km (0.089 R)
• M7: 3,987,980 km (0.062 R)
• M8: 5,001,506 km (0.114 R)
• M9: 6,169,416 km (0.065 R)
• M10: 8,305,674 km (0.06 R)
• M11: 8,968,692 km (0.111 R)
• M12: 9,657,291 km (0.071 R)
• M13: 9,798,062 km (0.044 R)
• M14: 10,274,980 km (0.041 R)
• M15: 13,653,050 km (0.079 R)
• M16: 13,876,698 km (0.042 R)
• M17: 14,964,125 km (0.09 R)
• M18: 15,851,690 km (0.094 R)
• M19: 18,151,158 km (0.118 R)
• M20: 18,799,516 km (0.086 R)
• M21: 20,675,772 km (0.096 R)
• M22: 27,234,741 km (0.106 R)
• M23: 30,895,850 km (0.093 R)
• M24: 36,410,327 km (0.114 R)
• M25: 41,693,226 km (0.094 R)
• M26: 43,367,824 km (0.11 R)
• M27: 43,666,870 km (0.099 R)
• M28: 44,872,929 km (0.12 R)
• M29: 49,330,197 km (0.08 R)
• M30: 51,366,972 km (0.111 R)
• M31: 52,127,827 km (0.113 R)
• M32: 57,152,371 km (0.101 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 12,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit