🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.85 AU - 1.27 AU

Year: 405 Days

Day: 39.3 Hours

Environment

Temp: 1 °C

Axial Tilt: 5.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.92 AU - 1.42 AU

Year: 469 Days

Day: 28.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.21 AU - 1.33 AU

Year: 531 Days

Day: 17.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 7.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 62,827,924 km

• M1: 38,147 km (0.091 R)

Asteroid Belt

Center: 4.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.3

Radius: 13.4

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.12 AU - 9.04 AU

Year: 7739 Days

Day: 5.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,827,924 km

• M1: 167,699 km (0.1 R)
• M2: 730,187 km (0.086 R)
• M3: 1,621,940 km (0.07 R)
• M4: 2,314,429 km (0.075 R)
• M5: 5,535,420 km (0.114 R)
• M6: 6,188,116 km (0.106 R)
• M7: 7,965,937 km (0.095 R)
• M8: 9,552,871 km (0.08 R)
• M9: 11,444,387 km (0.115 R)
• M10: 11,914,274 km (0.085 R)
• M11: 13,173,888 km (0.116 R)
• M12: 15,321,066 km (0.12 R)
• M13: 16,086,109 km (0.099 R)
• M14: 17,486,046 km (0.074 R)
• M15: 19,848,047 km (0.097 R)
• M16: 23,069,787 km (0.073 R)
• M17: 23,905,590 km (0.03 R)
• M18: 24,416,766 km (0.025 R)
• M19: 25,109,554 km (0.098 R)
• M20: 25,904,517 km (0.044 R)
• M21: 29,253,714 km (0.052 R)
• M22: 30,431,498 km (0.084 R)
• M23: 33,196,665 km (0.07 R)
• M24: 35,130,666 km (0.107 R)
• M25: 37,138,868 km (0.105 R)
• M26: 39,340,350 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.1

Radius: 11.7

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 9.82 AU - 12.88 AU

Year: 14181 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,827,924 km

• M1: 145,708 km (0.065 R)
• M2: 725,998 km (0.047 R)
• M3: 1,221,915 km (0.094 R)
• M4: 1,706,164 km (0.079 R)
• M5: 2,086,142 km (0.1 R)
• M6: 2,764,569 km (0.112 R)
• M7: 3,451,073 km (0.107 R)
• M8: 3,892,387 km (0.1 R)
• M9: 4,991,333 km (0.114 R)
• M10: 5,933,949 km (0.116 R)
• M11: 6,488,658 km (0.107 R)
• M12: 6,905,887 km (0.111 R)
• M13: 7,656,269 km (0.091 R)
• M14: 9,372,157 km (0.104 R)
• M15: 14,233,789 km (0.099 R)
• M16: 15,302,366 km (0.092 R)
• M17: 18,662,484 km (0.101 R)
• M18: 19,423,339 km (0.11 R)
• M19: 24,530,012 km (0.077 R)
• M20: 27,553,085 km (0.107 R)
• M21: 28,428,981 km (0.077 R)
• M22: 38,504,697 km (0.112 R)
• M23: 41,279,887 km (0.09 R)
• M24: 48,006,854 km (0.046 R)
• M25: 60,782,064 km (0.092 R)
• M26: 61,150,673 km (0.058 R)
• M27: 62,078,778 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 15,056 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit