🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.62 AU - 0.7 AU

Year: 352 Days

Day: 31.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,155,210 km

• M1: 207,941 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59

Radius: 9.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.85 AU - 1.05 AU

Year: 607 Days

Day: 5.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,155,210 km

• M1: 113,246 km (0.115 R)
• M2: 398,978 km (0.111 R)
• M3: 710,440 km (0.1 R)
• M4: 1,248,245 km (0.115 R)
• M5: 1,664,276 km (0.106 R)
• M6: 2,548,250 km (0.109 R)
• M7: 2,889,632 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.4

Radius: 10.3

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.83 AU - 1.17 AU

Year: 656 Days

Day: 10.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,155,210 km

• M1: 128,056 km (0.109 R)
• M2: 498,909 km (0.09 R)
• M3: 893,997 km (0.097 R)
• M4: 1,253,331 km (0.102 R)
• M5: 1,603,240 km (0.094 R)
• M6: 2,027,949 km (0.064 R)
• M7: 2,415,108 km (0.046 R)
• M8: 2,919,552 km (0.092 R)
• M9: 3,705,390 km (0.083 R)
• M10: 4,170,190 km (0.097 R)
• M11: 4,915,636 km (0.089 R)
• M12: 5,711,048 km (0.106 R)
• M13: 6,874,920 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.6

Radius: 7.8

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.73 AU - 10.25 AU

Year: 17683 Days

Day: 22.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,155,210 km

• M1: 97,239 km (0.074 R)
• M2: 618,737 km (0.106 R)
• M3: 1,135,298 km (0.117 R)
• M4: 1,610,720 km (0.117 R)
• M5: 2,049,640 km (0.038 R)
• M6: 2,612,727 km (0.088 R)
• M7: 3,139,461 km (0.077 R)
• M8: 3,705,090 km (0.105 R)
• M9: 4,172,434 km (0.045 R)
• M10: 4,964,705 km (0.026 R)
• M11: 7,120,559 km (0.108 R)
• M12: 7,645,947 km (0.119 R)
• M13: 7,993,613 km (0.046 R)
• M14: 11,356,274 km (0.093 R)
• M15: 12,613,644 km (0.045 R)
• M16: 14,108,426 km (0.111 R)
• M17: 15,013,792 km (0.078 R)
• M18: 20,035,194 km (0.058 R)
• M19: 23,592,631 km (0.052 R)
• M20: 24,012,104 km (0.037 R)
• M21: 27,434,305 km (0.076 R)
• M22: 28,604,010 km (0.077 R)
• M23: 29,321,631 km (0.103 R)
• M24: 37,029,961 km (0.075 R)
• M25: 38,747,494 km (0.106 R)
• M26: 44,059,415 km (0.108 R)
• M27: 46,149,896 km (0.109 R)
• M28: 51,575,960 km (0.088 R)
• M29: 54,077,985 km (0.08 R)
• M30: 62,466,685 km (0.088 R)
• M31: 70,375,626 km (0.046 R)
• M32: 70,809,459 km (0.115 R)
• M33: 75,927,202 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 19,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit