🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.3

Radius: 10.8

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.53 AU - 0.87 AU

Year: 384 Days

Day: 7.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,819,061 km

• M1: 134,339 km (0.093 R)
• M2: 750,533 km (0.067 R)
• M3: 1,116,898 km (0.119 R)
• M4: 1,766,302 km (0.103 R)
• M5: 2,177,547 km (0.088 R)
• M6: 3,010,657 km (0.114 R)
• M7: 3,813,100 km (0.12 R)
• M8: 4,724,750 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.9

Radius: 10.1

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.07 AU - 1.41 AU

Year: 906 Days

Day: 11.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,819,061 km

• M1: 125,662 km (0.118 R)
• M2: 540,796 km (0.088 R)
• M3: 1,595,910 km (0.095 R)
• M4: 2,084,347 km (0.084 R)
• M5: 2,752,302 km (0.042 R)
• M6: 3,074,984 km (0.092 R)
• M7: 3,862,318 km (0.059 R)
• M8: 4,793,864 km (0.118 R)
• M9: 5,231,737 km (0.064 R)
• M10: 5,577,457 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.2

Radius: 12.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.53 AU - 1.77 AU

Year: 1390 Days

Day: 11 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,819,061 km

• M1: 159,172 km (0.086 R)
• M2: 606,021 km (0.039 R)
• M3: 1,015,171 km (0.031 R)
• M4: 1,484,160 km (0.097 R)
• M5: 1,935,647 km (0.084 R)
• M6: 2,374,268 km (0.105 R)
• M7: 2,959,794 km (0.094 R)
• M8: 3,517,495 km (0.102 R)
• M9: 4,010,121 km (0.04 R)
• M10: 4,770,078 km (0.096 R)
• M11: 5,335,258 km (0.094 R)
• M12: 6,530,545 km (0.052 R)
• M13: 7,404,795 km (0.112 R)
• M14: 8,521,843 km (0.113 R)
• M15: 9,932,401 km (0.12 R)
• M16: 10,726,317 km (0.102 R)
• M17: 11,561,821 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.9

Radius: 12.6

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.26 AU - 5.56 AU

Year: 7137 Days

Day: 7.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,819,061 km

• M1: 163,810 km (0.088 R)
• M2: 1,641,537 km (0.109 R)
• M3: 2,179,192 km (0.05 R)
• M4: 2,601,507 km (0.109 R)
• M5: 9,803,148 km (0.087 R)
• M6: 10,409,319 km (0.12 R)
• M7: 10,969,114 km (0.099 R)
• M8: 12,848,961 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.1

Radius: 13.3

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.62 AU - 5.7 AU

Year: 8834 Days

Day: 13.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,819,061 km

• M1: 171,738 km (0.058 R)
• M2: 666,309 km (0.115 R)
• M3: 4,434,081 km (0.12 R)
• M4: 4,924,612 km (0.075 R)
• M5: 6,645,437 km (0.088 R)
• M6: 11,006,963 km (0.094 R)
• M7: 13,077,846 km (0.099 R)
• M8: 16,679,415 km (0.084 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 19,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit