🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.2

Radius: 8.9

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.07 AU - 1.33 AU

Year: 849 Days

Day: 11.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,753,226 km

• M1: 110,702 km (0.032 R)
• M2: 430,543 km (0.119 R)
• M3: 730,187 km (0.039 R)
• M4: 1,038,060 km (0.06 R)
• M5: 1,807,591 km (0.06 R)
• M6: 3,611,293 km (0.118 R)
• M7: 4,158,073 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.3

Radius: 12.8

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.05 AU - 6.55 AU

Year: 9019 Days

Day: 12.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,753,226 km

• M1: 160,818 km (0.089 R)
• M2: 2,481,230 km (0.106 R)
• M3: 3,164,145 km (0.052 R)
• M4: 5,260,759 km (0.088 R)
• M5: 6,636,461 km (0.04 R)
• M6: 7,332,540 km (0.117 R)
• M7: 8,957,322 km (0.057 R)
• M8: 10,229,652 km (0.103 R)
• M9: 11,311,245 km (0.084 R)
• M10: 14,770,097 km (0.117 R)
• M11: 15,765,970 km (0.11 R)
• M12: 16,607,608 km (0.095 R)
• M13: 20,352,192 km (0.099 R)
• M14: 27,848,392 km (0.028 R)
• M15: 31,342,100 km (0.096 R)
• M16: 34,900,734 km (0.089 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.9

Radius: 6.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.96 AU - 7.26 AU

Year: 9752 Days

Day: 23.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 80.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,753,226 km

• M1: 85,869 km (0.095 R)
• M2: 1,436,289 km (0.067 R)
• M3: 1,757,326 km (0.089 R)
• M4: 2,080,458 km (0.084 R)
• M5: 2,595,673 km (0.104 R)
• M6: 4,528,627 km (0.075 R)
• M7: 4,893,646 km (0.094 R)
• M8: 5,420,080 km (0.109 R)
• M9: 9,320,097 km (0.087 R)
• M10: 10,616,811 km (0.092 R)
• M11: 10,844,200 km (0.096 R)
• M12: 11,497,943 km (0.085 R)
• M13: 11,785,919 km (0.043 R)
• M14: 12,679,317 km (0.112 R)
• M15: 12,986,741 km (0.064 R)
• M16: 18,218,627 km (0.043 R)
• M17: 19,819,623 km (0.118 R)
• M18: 26,743,462 km (0.103 R)
• M19: 27,164,879 km (0.044 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.4

Radius: 5.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.69 AU - 8.05 AU

Year: 12919 Days

Day: 20.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,753,226 km

• M1: 73,453 km (0.039 R)
• M2: 361,578 km (0.042 R)
• M3: 631,453 km (0.091 R)
• M4: 860,936 km (0.114 R)
• M5: 2,111,424 km (0.102 R)
• M6: 6,535,931 km (0.115 R)
• M7: 7,037,084 km (0.093 R)
• M8: 9,342,088 km (0.082 R)
• M9: 13,970,945 km (0.098 R)
• M10: 14,914,309 km (0.095 R)
• M11: 17,998,868 km (0.116 R)
• M12: 22,588,381 km (0.087 R)
• M13: 30,113,453 km (0.118 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: 169 - 20,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit