🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.53 AU - 0.55 AU

Year: 149 Days

Day: 25.4 Hours

Environment

Temp: 150 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.6 AU - 0.78 AU

Year: 216 Days

Day: 40.6 Hours

Environment

Temp: 115 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.75 AU - 1.09 AU

Year: 332 Days

Day: 13 Hours

Environment

Temp: 22 °C

Axial Tilt: 48.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 97,477,870 km

• M1: 231,578 km (0.102 R)

Asteroid Belt

Center: 9.64 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 18.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.9

Radius: 6.8

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 16.84 AU - 19.88 AU

Year: 29637 Days

Day: 24.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 97,477,870 km

• M1: 84,523 km (0.094 R)
• M2: 340,485 km (0.074 R)
• M3: 1,269,488 km (0.075 R)
• M4: 1,661,733 km (0.114 R)
• M5: 2,793,890 km (0.066 R)
• M6: 4,898,732 km (0.045 R)
• M7: 5,556,364 km (0.107 R)
• M8: 6,086,838 km (0.119 R)
• M9: 6,699,292 km (0.075 R)
• M10: 7,613,933 km (0.075 R)
• M11: 7,882,162 km (0.078 R)
• M12: 8,609,208 km (0.107 R)
• M13: 9,018,807 km (0.074 R)
• M14: 10,003,909 km (0.096 R)
• M15: 11,264,420 km (0.112 R)
• M16: 11,825,712 km (0.059 R)
• M17: 14,502,317 km (0.104 R)
• M18: 16,112,289 km (0.069 R)
• M19: 16,554,949 km (0.096 R)
• M20: 16,915,031 km (0.105 R)
• M21: 18,599,952 km (0.07 R)
• M22: 18,989,056 km (0.074 R)
• M23: 19,383,546 km (0.069 R)
• M24: 21,332,656 km (0.08 R)
• M25: 22,518,818 km (0.108 R)
• M26: 26,954,844 km (0.061 R)
• M27: 28,596,979 km (0.106 R)
• M28: 31,663,586 km (0.12 R)
• M29: 33,633,790 km (0.102 R)
• M30: 36,285,113 km (0.096 R)
• M31: 41,501,890 km (0.093 R)
• M32: 51,843,292 km (0.075 R)
• M33: 52,614,020 km (0.077 R)
• M34: 53,002,077 km (0.062 R)
• M35: 60,531,786 km (0.086 R)
• M36: 68,051,922 km (0.08 R)
• M37: 71,558,645 km (0.114 R)
• M38: 76,667,862 km (0.115 R)
• M39: 80,205,851 km (0.111 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 18,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit