🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.81 AU - 1.23 AU

Year: 362 Days

Day: 32.8 Hours

Environment

Temp: 147 °C

Axial Tilt: 1.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.1 AU - 4.36 AU

Year: 2532 Days

Day: 41.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.9

Radius: 8.4

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.23 AU - 5.77 AU

Year: 4533 Days

Day: 5.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,481,676 km

• M1: 104,419 km (0.117 R)
• M2: 552,166 km (0.117 R)
• M3: 1,302,848 km (0.114 R)
• M4: 1,648,120 km (0.071 R)
• M5: 1,953,000 km (0.047 R)
• M6: 2,570,839 km (0.11 R)
• M7: 3,206,481 km (0.101 R)
• M8: 5,264,947 km (0.118 R)
• M9: 7,816,788 km (0.054 R)
• M10: 8,276,801 km (0.104 R)
• M11: 8,581,831 km (0.108 R)
• M12: 9,579,649 km (0.097 R)
• M13: 10,692,508 km (0.108 R)
• M14: 11,136,514 km (0.11 R)
• M15: 12,855,095 km (0.103 R)
• M16: 14,014,927 km (0.11 R)
• M17: 16,223,440 km (0.099 R)
• M18: 17,465,551 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.4

Radius: 12.7

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.31 AU - 9.95 AU

Year: 9696 Days

Day: 5.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,481,676 km

• M1: 157,975 km (0.097 R)
• M2: 734,226 km (0.097 R)
• M3: 1,463,067 km (0.106 R)
• M4: 1,884,784 km (0.109 R)
• M5: 2,338,065 km (0.088 R)
• M6: 3,125,399 km (0.039 R)
• M7: 4,795,509 km (0.103 R)
• M8: 5,905,376 km (0.071 R)
• M9: 6,469,809 km (0.076 R)
• M10: 7,553,795 km (0.034 R)
• M11: 9,313,963 km (0.108 R)
• M12: 11,134,121 km (0.107 R)
• M13: 11,790,407 km (0.062 R)
• M14: 14,147,022 km (0.046 R)
• M15: 15,715,705 km (0.063 R)
• M16: 17,938,131 km (0.095 R)
• M17: 19,483,477 km (0.048 R)
• M18: 20,586,911 km (0.118 R)
• M19: 21,345,223 km (0.11 R)
• M20: 24,147,191 km (0.091 R)
• M21: 25,161,913 km (0.105 R)
• M22: 26,826,339 km (0.095 R)
• M23: 28,469,821 km (0.075 R)
• M24: 31,456,243 km (0.056 R)
• M25: 34,222,308 km (0.05 R)
• M26: 35,610,277 km (0.118 R)
• M27: 36,813,942 km (0.115 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 19,208 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit