🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.6

Radius: 9.6

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.75 AU - 1.05 AU

Year: 560 Days

Day: 5.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,122,467 km

• M1: 119,379 km (0.106 R)
• M2: 482,902 km (0.057 R)
• M3: 1,016,368 km (0.111 R)
• M4: 1,843,495 km (0.107 R)
• M5: 2,724,177 km (0.091 R)
• M6: 3,056,883 km (0.118 R)
• M7: 3,668,738 km (0.118 R)
• M8: 4,247,383 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.1

Radius: 14.5

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.03 AU - 3.13 AU

Year: 3546 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,122,467 km

• M1: 180,415 km (0.101 R)
• M2: 757,863 km (0.117 R)
• M3: 1,215,034 km (0.074 R)
• M4: 1,734,737 km (0.098 R)
• M5: 3,100,117 km (0.085 R)
• M6: 3,844,366 km (0.116 R)
• M7: 5,584,788 km (0.11 R)
• M8: 6,050,037 km (0.097 R)
• M9: 6,781,870 km (0.084 R)
• M10: 9,994,783 km (0.1 R)
• M11: 13,469,942 km (0.104 R)
• M12: 14,160,635 km (0.107 R)
• M13: 15,346,498 km (0.112 R)
• M14: 16,878,529 km (0.103 R)
• M15: 17,798,556 km (0.087 R)
• M16: 18,751,794 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.9

Radius: 14.7

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.15 AU - 4.91 AU

Year: 6325 Days

Day: 8.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,122,467 km

• M1: 182,809 km (0.11 R)
• M2: 675,883 km (0.032 R)
• M3: 1,264,102 km (0.105 R)
• M4: 3,508,220 km (0.062 R)
• M5: 4,632,597 km (0.103 R)
• M6: 5,094,406 km (0.111 R)
• M7: 5,891,912 km (0.105 R)
• M8: 6,874,172 km (0.038 R)
• M9: 8,832,857 km (0.067 R)
• M10: 9,941,227 km (0.115 R)
• M11: 12,957,719 km (0.079 R)
• M12: 17,757,716 km (0.069 R)
• M13: 19,590,888 km (0.08 R)
• M14: 32,522,278 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.8

Radius: 7.9

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 10.14 AU - 11.78 AU

Year: 23803 Days

Day: 16.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,122,467 km

• M1: 104,120 km (0.047 R)
• M2: 3,042,671 km (0.099 R)
• M3: 3,847,059 km (0.091 R)
• M4: 4,572,908 km (0.08 R)
• M5: 6,738,486 km (0.094 R)
• M6: 7,591,194 km (0.087 R)
• M7: 8,250,472 km (0.115 R)
• M8: 11,468,023 km (0.118 R)
• M9: 18,212,194 km (0.112 R)
• M10: 19,670,474 km (0.078 R)
• M11: 21,501,104 km (0.107 R)
• M12: 23,865,797 km (0.058 R)
• M13: 24,727,331 km (0.086 R)
• M14: 25,276,355 km (0.115 R)
• M15: 36,598,670 km (0.102 R)
• M16: 42,563,287 km (0.077 R)
• M17: 46,104,867 km (0.092 R)
• M18: 47,439,878 km (0.109 R)
• M19: 56,184,323 km (0.084 R)
• M20: 78,649,285 km (0.064 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: 357 - 12,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit