🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.48 AU - 0.7 AU

Year: 207 Days

Day: 44.5 Hours

Environment

Temp: -4 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.28 AU - 1.96 AU

Year: 941 Days

Day: 14.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,474,117 km

• M1: 767,287 km (0.099 R)

Asteroid Belt

Center: 2.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.3

Radius: 14.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.25 AU - 3.49 AU

Year: 2220 Days

Day: 13.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 96,474,117 km

• M1: 178,470 km (0.087 R)
• M2: 936,333 km (0.094 R)
• M3: 1,688,810 km (0.048 R)
• M4: 2,370,827 km (0.119 R)
• M5: 2,898,309 km (0.048 R)
• M6: 3,791,708 km (0.096 R)
• M7: 4,456,969 km (0.113 R)
• M8: 5,222,312 km (0.1 R)
• M9: 6,709,764 km (0.073 R)
• M10: 8,625,963 km (0.03 R)
• M11: 12,990,331 km (0.049 R)
• M12: 13,958,678 km (0.098 R)
• M13: 15,404,242 km (0.113 R)
• M14: 16,338,331 km (0.073 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.7

Radius: 3.2

Gravity: 91.96 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 12 AU - 16.34 AU

Year: 24353 Days

Day: 23.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 96,474,117 km

• M1: 40,541 km (0.105 R)
• M2: 151,393 km (0.091 R)
• M3: 547,827 km (0.107 R)
• M4: 765,941 km (0.05 R)
• M5: 1,066,633 km (0.095 R)
• M6: 1,339,799 km (0.1 R)
• M7: 1,528,591 km (0.084 R)
• M8: 1,794,127 km (0.114 R)
• M9: 2,749,010 km (0.106 R)
• M10: 2,940,496 km (0.113 R)
• M11: 4,539,099 km (0.071 R)
• M12: 5,373,256 km (0.109 R)
• M13: 9,924,622 km (0.084 R)
• M14: 10,051,930 km (0.104 R)
• M15: 12,983,001 km (0.073 R)
• M16: 13,914,547 km (0.095 R)
• M17: 18,277,419 km (0.081 R)
• M18: 20,765,680 km (0.026 R)
• M19: 21,394,739 km (0.071 R)
• M20: 22,253,132 km (0.118 R)
• M21: 22,690,855 km (0.099 R)
• M22: 26,279,409 km (0.083 R)
• M23: 32,552,945 km (0.104 R)
• M24: 34,847,178 km (0.105 R)
• M25: 35,585,593 km (0.095 R)
• M26: 35,734,593 km (0.109 R)
• M27: 36,788,809 km (0.11 R)
• M28: 41,377,425 km (0.109 R)
• M29: 45,979,205 km (0.111 R)
• M30: 49,044,764 km (0.111 R)
• M31: 58,430,385 km (0.026 R)
• M32: 71,281,889 km (0.07 R)
• M33: 76,362,981 km (0.072 R)
• M34: 81,163,427 km (0.102 R)
• M35: 84,296,605 km (0.087 R)
• M36: 84,826,630 km (0.063 R)
• M37: 88,598,292 km (0.094 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 15,038 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit