🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.91 AU - 0.95 AU

Year: 345 Days

Day: 43.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 16.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.04 AU - 1.58 AU

Year: 577 Days

Day: 17.3 Hours

Environment

Temp: -46 °C

Axial Tilt: 29.3 °

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: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.89 AU - 2.07 AU

Year: 1073 Days

Day: 41.9 Hours

Environment

Temp: -79 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,910,139 km

• M1: 1,400,535 km (0.081 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.98 AU - 3.92 AU

Year: 2467 Days

Day: 34.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.5 AU - 3.74 AU

Year: 2652 Days

Day: 44.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.9

Radius: 4.8

Gravity: 41.97 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 13.34 AU - 14.36 AU

Year: 19845 Days

Day: 25 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 84,910,139 km

• M1: 59,989 km (0.106 R)
• M2: 307,872 km (0.106 R)
• M3: 522,246 km (0.116 R)
• M4: 759,060 km (0.068 R)
• M5: 1,092,064 km (0.112 R)
• M6: 1,982,770 km (0.107 R)
• M7: 5,328,826 km (0.112 R)
• M8: 5,780,312 km (0.039 R)
• M9: 6,758,981 km (0.095 R)
• M10: 7,587,305 km (0.102 R)
• M11: 7,843,416 km (0.105 R)
• M12: 8,264,983 km (0.063 R)
• M13: 9,561,249 km (0.097 R)
• M14: 12,692,033 km (0.086 R)
• M15: 16,615,088 km (0.107 R)
• M16: 17,134,192 km (0.118 R)
• M17: 22,616,954 km (0.065 R)
• M18: 24,453,866 km (0.094 R)
• M19: 28,914,576 km (0.098 R)
• M20: 40,325,602 km (0.118 R)
• M21: 45,152,677 km (0.048 R)
• M22: 48,226,165 km (0.033 R)
• M23: 50,710,985 km (0.057 R)
• M24: 52,168,517 km (0.091 R)
• M25: 55,357,944 km (0.09 R)
• M26: 59,073,656 km (0.096 R)
• M27: 66,997,257 km (0.081 R)
• M28: 69,416,554 km (0.052 R)
• M29: 70,086,303 km (0.114 R)
• M30: 70,310,401 km (0.114 R)
• M31: 84,402,071 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 11,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit