🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.92 AU - 1.34 AU

Year: 445 Days

Day: 18.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.94 AU - 1.42 AU

Year: 475 Days

Day: 23.7 Hours

Environment

Temp: 5 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 50,044,043 km

• M1: 30,967 km (0.11 R)
• M2: 177,423 km (0.054 R)

Asteroid Belt

Center: 3.71 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.5

Radius: 13.7

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.75 AU - 6.73 AU

Year: 5781 Days

Day: 11.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 147 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,044,043 km

• M1: 170,392 km (0.087 R)
• M2: 699,669 km (0.115 R)
• M3: 1,137,841 km (0.094 R)
• M4: 1,587,832 km (0.101 R)
• M5: 2,022,713 km (0.117 R)
• M6: 2,717,445 km (0.092 R)
• M7: 3,182,994 km (0.117 R)
• M8: 4,884,969 km (0.078 R)
• M9: 5,763,108 km (0.048 R)
• M10: 6,641,248 km (0.09 R)
• M11: 7,238,742 km (0.072 R)
• M12: 8,582,430 km (0.107 R)
• M13: 11,069,644 km (0.071 R)
• M14: 15,468,420 km (0.103 R)
• M15: 16,019,838 km (0.116 R)
• M16: 16,584,420 km (0.081 R)
• M17: 17,488,889 km (0.108 R)
• M18: 19,608,690 km (0.074 R)
• M19: 24,766,526 km (0.087 R)
• M20: 25,521,995 km (0.066 R)
• M21: 28,333,238 km (0.113 R)
• M22: 28,790,409 km (0.1 R)
• M23: 30,096,698 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.2

Radius: 6

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 13.9 AU - 15.68 AU

Year: 21094 Days

Day: 19.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,044,043 km

• M1: 74,799 km (0.085 R)
• M2: 356,492 km (0.084 R)
• M3: 544,087 km (0.029 R)
• M4: 791,672 km (0.093 R)
• M5: 2,709,666 km (0.068 R)
• M6: 3,272,603 km (0.104 R)
• M7: 6,098,656 km (0.097 R)
• M8: 6,433,905 km (0.089 R)
• M9: 7,141,354 km (0.025 R)
• M10: 7,471,815 km (0.106 R)
• M11: 9,377,393 km (0.114 R)
• M12: 11,195,007 km (0.055 R)
• M13: 11,416,711 km (0.061 R)
• M14: 13,173,738 km (0.104 R)
• M15: 16,276,847 km (0.114 R)
• M16: 19,996,897 km (0.113 R)
• M17: 23,424,783 km (0.068 R)
• M18: 25,087,563 km (0.114 R)
• M19: 36,745,725 km (0.083 R)
• M20: 44,561,316 km (0.066 R)
• M21: 45,118,419 km (0.081 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 18,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit