🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.3

Radius: 8.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.56 AU - 0.82 AU

Year: 376 Days

Day: 9.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,790,595 km

• M1: 106,962 km (0.117 R)
• M2: 387,159 km (0.118 R)
• M3: 667,057 km (0.089 R)
• M4: 1,052,720 km (0.114 R)
• M5: 1,504,955 km (0.12 R)
• M6: 2,023,012 km (0.051 R)
• M7: 2,389,676 km (0.087 R)
• M8: 2,912,671 km (0.046 R)
• M9: 3,553,099 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.1

Radius: 10.8

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.87 AU - 1.35 AU

Year: 767 Days

Day: 9.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,790,595 km

• M1: 134,339 km (0.076 R)
• M2: 580,589 km (0.114 R)
• M3: 1,460,524 km (0.068 R)
• M4: 2,092,575 km (0.046 R)
• M5: 2,551,840 km (0.094 R)
• M6: 2,924,040 km (0.109 R)
• M7: 3,291,602 km (0.092 R)
• M8: 4,381,422 km (0.115 R)
• M9: 4,723,254 km (0.089 R)
• M10: 5,558,608 km (0.098 R)
• M11: 6,338,163 km (0.084 R)
• M12: 7,938,411 km (0.095 R)
• M13: 8,370,898 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.3

Radius: 14.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.52 AU - 5.1 AU

Year: 6920 Days

Day: 7.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,790,595 km

• M1: 184,155 km (0.111 R)
• M2: 865,274 km (0.118 R)
• M3: 1,459,028 km (0.06 R)
• M4: 2,369,181 km (0.101 R)
• M5: 2,832,636 km (0.049 R)
• M6: 3,454,215 km (0.093 R)
• M7: 4,144,011 km (0.074 R)
• M8: 5,102,185 km (0.106 R)
• M9: 6,874,172 km (0.118 R)
• M10: 7,525,371 km (0.057 R)
• M11: 8,111,047 km (0.081 R)
• M12: 9,180,522 km (0.111 R)
• M13: 11,024,017 km (0.11 R)
• M14: 12,195,667 km (0.102 R)
• M15: 13,201,414 km (0.07 R)
• M16: 13,800,703 km (0.107 R)
• M17: 16,324,269 km (0.047 R)
• M18: 16,898,575 km (0.073 R)
• M19: 18,027,142 km (0.096 R)
• M20: 19,078,815 km (0.073 R)
• M21: 20,105,804 km (0.062 R)
• M22: 20,967,039 km (0.108 R)
• M23: 25,493,572 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.9

Radius: 7.5

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.2 AU - 7.22 AU

Year: 12700 Days

Day: 15.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,790,595 km

• M1: 93,349 km (0.045 R)
• M2: 404,662 km (0.116 R)
• M3: 1,023,549 km (0.112 R)
• M4: 1,979,629 km (0.107 R)
• M5: 2,740,932 km (0.115 R)
• M6: 8,533,960 km (0.115 R)
• M7: 11,925,643 km (0.12 R)
• M8: 18,345,785 km (0.103 R)
• M9: 21,146,108 km (0.108 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: 274 - 19,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit