🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.57 AU - 0.87 AU

Year: 235 Days

Day: 25.8 Hours

Environment

Temp: 148 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.93 AU - 1.55 AU

Year: 532 Days

Day: 18.1 Hours

Environment

Temp: -33 °C

Axial Tilt: 159.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.95 AU - 2.01 AU

Year: 1073 Days

Day: 13.5 Hours

Environment

Temp: -79 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.03 AU - 2.31 AU

Year: 1231 Days

Day: 19.5 Hours

Environment

Temp: -98 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.21 AU - 3.49 AU

Year: 1852 Days

Day: 28.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.38 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 15.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.9

Radius: 3

Gravity: 55.66 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 12.15 AU - 19.65 AU

Year: 24410 Days

Day: 20.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,288,276 km

• M1: 37,549 km (0.115 R)
• M2: 150,196 km (0.07 R)
• M3: 456,722 km (0.105 R)
• M4: 815,009 km (0.119 R)
• M5: 940,522 km (0.079 R)
• M6: 1,230,891 km (0.094 R)
• M7: 1,945,820 km (0.031 R)
• M8: 2,875,121 km (0.095 R)
• M9: 3,058,977 km (0.116 R)
• M10: 3,222,787 km (0.054 R)
• M11: 3,421,154 km (0.089 R)
• M12: 4,033,159 km (0.11 R)
• M13: 4,786,982 km (0.077 R)
• M14: 5,351,864 km (0.07 R)
• M15: 5,876,204 km (0.044 R)
• M16: 6,522,916 km (0.082 R)
• M17: 7,955,914 km (0.072 R)
• M18: 8,161,611 km (0.056 R)
• M19: 9,701,721 km (0.116 R)
• M20: 10,725,719 km (0.102 R)
• M21: 12,019,890 km (0.073 R)
• M22: 13,706,007 km (0.113 R)
• M23: 19,233,349 km (0.113 R)
• M24: 19,697,103 km (0.09 R)
• M25: 22,739,325 km (0.062 R)
• M26: 23,996,396 km (0.032 R)
• M27: 25,078,737 km (0.039 R)
• M28: 31,108,129 km (0.086 R)
• M29: 35,761,521 km (0.099 R)
• M30: 38,471,785 km (0.092 R)
• M31: 43,976,388 km (0.108 R)
• M32: 47,586,185 km (0.118 R)
• M33: 50,332,054 km (0.06 R)
• M34: 57,272,647 km (0.108 R)
• M35: 59,004,991 km (0.119 R)
• M36: 60,771,891 km (0.082 R)
• M37: 61,368,637 km (0.095 R)
• M38: 62,371,840 km (0.078 R)
• M39: 67,765,292 km (0.085 R)
• M40: 75,276,003 km (0.045 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 16,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit