🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.5

Radius: 10.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.67 AU - 0.81 AU

Year: 411 Days

Day: 10 Hours

Environment

Temp: -139 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,599,144 km

• M1: 135,536 km (0.031 R)
• M2: 587,321 km (0.064 R)
• M3: 951,442 km (0.065 R)
• M4: 1,317,209 km (0.081 R)
• M5: 1,947,764 km (0.12 R)
• M6: 2,760,530 km (0.084 R)
• M7: 3,299,979 km (0.097 R)
• M8: 3,678,013 km (0.072 R)
• M9: 4,306,175 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.4

Radius: 10.8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.1 AU - 3.74 AU

Year: 4084 Days

Day: 14.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 15,599,144 km

• M1: 134,339 km (0.049 R)
• M2: 478,264 km (0.115 R)
• M3: 997,369 km (0.061 R)
• M4: 1,545,346 km (0.107 R)
• M5: 1,964,968 km (0.096 R)
• M6: 2,706,973 km (0.102 R)
• M7: 3,143,350 km (0.102 R)
• M8: 3,548,910 km (0.076 R)
• M9: 3,906,599 km (0.078 R)
• M10: 4,534,162 km (0.107 R)
• M11: 5,152,749 km (0.093 R)
• M12: 6,073,524 km (0.07 R)
• M13: 7,478,098 km (0.114 R)
• M14: 7,935,569 km (0.1 R)
• M15: 8,446,445 km (0.081 R)
• M16: 9,496,473 km (0.102 R)
• M17: 10,712,704 km (0.067 R)
• M18: 14,179,634 km (0.087 R)
• M19: 14,578,013 km (0.1 R)
• M20: 16,683,454 km (0.086 R)
• M21: 17,751,433 km (0.063 R)
• M22: 19,044,258 km (0.114 R)
• M23: 21,035,405 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 8.3

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.92 AU - 4.16 AU

Year: 4301 Days

Day: 9.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 15,599,144 km

• M1: 103,223 km (0.093 R)
• M2: 524,789 km (0.102 R)
• M3: 1,197,980 km (0.102 R)
• M4: 2,521,771 km (0.11 R)
• M5: 3,115,076 km (0.039 R)
• M6: 3,539,037 km (0.049 R)
• M7: 3,932,479 km (0.071 R)
• M8: 5,487,699 km (0.1 R)
• M9: 7,173,966 km (0.074 R)
• M10: 9,967,108 km (0.119 R)
• M11: 13,413,244 km (0.108 R)
• M12: 14,371,269 km (0.095 R)
• M13: 14,922,836 km (0.11 R)
• M14: 17,332,708 km (0.078 R)
• M15: 18,403,979 km (0.1 R)
• M16: 21,666,559 km (0.107 R)
• M17: 27,253,441 km (0.117 R)
• M18: 28,183,790 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.2

Radius: 10.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.99 AU - 5.43 AU

Year: 6600 Days

Day: 8.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 15,599,144 km

• M1: 137,630 km (0.072 R)
• M2: 731,982 km (0.075 R)
• M3: 1,567,337 km (0.08 R)
• M4: 2,039,917 km (0.113 R)
• M5: 2,979,242 km (0.07 R)
• M6: 3,504,330 km (0.064 R)
• M7: 4,823,933 km (0.097 R)
• M8: 5,666,169 km (0.078 R)
• M9: 8,289,816 km (0.101 R)
• M10: 10,003,310 km (0.084 R)
• M11: 12,018,992 km (0.11 R)
• M12: 13,561,047 km (0.119 R)
• M13: 14,204,617 km (0.086 R)
• M14: 14,868,383 km (0.117 R)
• M15: 15,230,858 km (0.06 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 15,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit