🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.72 AU - 0.84 AU

Year: 257 Days

Day: 40.3 Hours

Environment

Temp: 160 °C

Axial Tilt: 41.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 49,523,529 km

• M1: 51,013 km (0.047 R)
• M2: 78,539 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.81 AU - 0.99 AU

Year: 318 Days

Day: 15.5 Hours

Environment

Temp: 29 °C

Axial Tilt: 12.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Gas Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.6

Radius: 12.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.2 AU - 7.14 AU

Year: 6422 Days

Day: 13.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,523,529 km

• M1: 156,779 km (0.116 R)
• M2: 717,771 km (0.086 R)
• M3: 1,632,262 km (0.048 R)
• M4: 2,110,976 km (0.093 R)
• M5: 2,530,897 km (0.052 R)
• M6: 3,237,597 km (0.08 R)
• M7: 3,867,853 km (0.094 R)
• M8: 4,730,584 km (0.12 R)
• M9: 6,804,609 km (0.106 R)
• M10: 7,310,549 km (0.1 R)
• M11: 8,667,252 km (0.103 R)
• M12: 9,674,793 km (0.111 R)
• M13: 12,262,537 km (0.069 R)
• M14: 13,636,744 km (0.082 R)
• M15: 14,719,084 km (0.059 R)
• M16: 17,737,820 km (0.079 R)
• M17: 20,516,151 km (0.071 R)
• M18: 21,863,579 km (0.115 R)
• M19: 22,744,561 km (0.047 R)
• M20: 23,193,803 km (0.12 R)
• M21: 23,802,068 km (0.077 R)
• M22: 29,057,890 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.9

Radius: 4.8

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 12.69 AU - 17.97 AU

Year: 22375 Days

Day: 16.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,523,529 km

• M1: 59,690 km (0.08 R)
• M2: 247,435 km (0.044 R)
• M3: 432,188 km (0.058 R)
• M4: 1,168,958 km (0.094 R)
• M5: 2,752,451 km (0.069 R)
• M6: 3,620,717 km (0.094 R)
• M7: 3,803,526 km (0.068 R)
• M8: 8,379,276 km (0.084 R)
• M9: 10,013,333 km (0.097 R)
• M10: 12,310,558 km (0.095 R)
• M11: 12,965,647 km (0.025 R)
• M12: 14,803,756 km (0.09 R)
• M13: 21,858,942 km (0.064 R)
• M14: 28,444,838 km (0.046 R)
• M15: 33,083,120 km (0.114 R)
• M16: 33,424,353 km (0.097 R)
• M17: 33,883,020 km (0.119 R)
• M18: 39,335,115 km (0.112 R)
• M19: 39,718,085 km (0.118 R)
• M20: 43,277,318 km (0.067 R)
• M21: 44,647,784 km (0.085 R)
• M22: 44,925,288 km (0.11 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 14,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit