🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.55 AU - 0.89 AU

Year: 228 Days

Day: 31.3 Hours

Environment

Temp: 144 °C

Axial Tilt: 15.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.96 AU - 1.34 AU

Year: 460 Days

Day: 32.3 Hours

Environment

Temp: -10 °C

Axial Tilt: 12.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.7

Radius: 11.3

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.35 AU - 11.03 AU

Year: 11245 Days

Day: 14.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,921,059 km

• M1: 140,472 km (0.101 R)
• M2: 502,499 km (0.1 R)
• M3: 1,172,997 km (0.094 R)
• M4: 1,598,154 km (0.065 R)
• M5: 2,623,498 km (0.107 R)
• M6: 2,977,596 km (0.065 R)
• M7: 3,342,914 km (0.118 R)
• M8: 3,876,829 km (0.043 R)
• M9: 4,466,992 km (0.112 R)
• M10: 5,059,998 km (0.091 R)
• M11: 6,911,870 km (0.107 R)
• M12: 10,642,692 km (0.082 R)
• M13: 12,257,002 km (0.076 R)
• M14: 13,095,947 km (0.076 R)
• M15: 14,141,337 km (0.108 R)
• M16: 16,398,171 km (0.109 R)
• M17: 17,158,128 km (0.065 R)
• M18: 18,816,719 km (0.107 R)
• M19: 19,230,208 km (0.084 R)
• M20: 22,450,302 km (0.106 R)
• M21: 27,485,916 km (0.09 R)
• M22: 28,287,611 km (0.073 R)
• M23: 29,196,418 km (0.103 R)
• M24: 30,218,620 km (0.064 R)
• M25: 31,264,309 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.3

Radius: 3.3

Gravity: 42.27 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 11.74 AU - 15.12 AU

Year: 18347 Days

Day: 15.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,921,059 km

• M1: 40,990 km (0.06 R)
• M2: 160,967 km (0.053 R)
• M3: 270,623 km (0.059 R)
• M4: 420,071 km (0.1 R)
• M5: 529,128 km (0.118 R)
• M6: 846,724 km (0.119 R)
• M7: 1,146,219 km (0.053 R)
• M8: 1,606,532 km (0.099 R)
• M9: 2,025,256 km (0.082 R)
• M10: 2,219,584 km (0.104 R)
• M11: 2,405,085 km (0.061 R)
• M12: 3,383,605 km (0.041 R)
• M13: 4,187,244 km (0.099 R)
• M14: 4,502,896 km (0.087 R)
• M15: 5,075,407 km (0.116 R)
• M16: 5,324,637 km (0.111 R)
• M17: 6,908,430 km (0.051 R)
• M18: 7,259,087 km (0.118 R)
• M19: 8,730,382 km (0.05 R)
• M20: 9,088,071 km (0.112 R)
• M21: 10,219,928 km (0.065 R)
• M22: 10,502,668 km (0.107 R)
• M23: 10,790,644 km (0.069 R)
• M24: 11,262,176 km (0.075 R)
• M25: 12,309,661 km (0.091 R)
• M26: 13,087,121 km (0.101 R)
• M27: 19,465,675 km (0.12 R)
• M28: 27,210,357 km (0.095 R)
• M29: 29,310,711 km (0.091 R)
• M30: 35,220,874 km (0.113 R)
• M31: 36,125,193 km (0.117 R)
• M32: 36,386,241 km (0.11 R)
• M33: 40,737,894 km (0.086 R)
• M34: 42,746,096 km (0.086 R)
• M35: 43,922,683 km (0.045 R)
• M36: 53,274,644 km (0.048 R)
• M37: 60,316,964 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 14,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit