🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.57 AU - 0.59 AU

Year: 164 Days

Day: 41.9 Hours

Environment

Temp: 181 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.83 AU - 0.85 AU

Year: 286 Days

Day: 47.3 Hours

Environment

Temp: 147 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,231,559 km

• M1: 118,182 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.07 AU - 1.69 AU

Year: 601 Days

Day: 14.5 Hours

Environment

Temp: -36 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.19 AU - 1.61 AU

Year: 614 Days

Day: 44.1 Hours

Environment

Temp: -36 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.37 AU - 2.01 AU

Year: 815 Days

Day: 13.5 Hours

Environment

Temp: -49 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.64 AU - 4.3 AU

Year: 2934 Days

Day: 22.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.3

Radius: 12.7

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.46 AU - 9.26 AU

Year: 8172 Days

Day: 11.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,231,559 km

• M1: 157,975 km (0.094 R)
• M2: 648,507 km (0.057 R)
• M3: 1,452,296 km (0.082 R)
• M4: 2,201,781 km (0.103 R)
• M5: 2,766,813 km (0.077 R)
• M6: 3,356,677 km (0.072 R)
• M7: 3,950,431 km (0.102 R)
• M8: 5,221,564 km (0.101 R)
• M9: 6,378,105 km (0.102 R)
• M10: 7,740,044 km (0.115 R)
• M11: 8,162,808 km (0.088 R)
• M12: 10,259,871 km (0.062 R)
• M13: 10,979,885 km (0.043 R)
• M14: 11,460,394 km (0.074 R)
• M15: 12,578,787 km (0.092 R)
• M16: 14,390,866 km (0.114 R)
• M17: 17,140,774 km (0.114 R)
• M18: 23,133,815 km (0.05 R)
• M19: 24,014,049 km (0.082 R)
• M20: 26,502,310 km (0.099 R)
• M21: 28,753,608 km (0.066 R)
• M22: 29,668,250 km (0.091 R)
• M23: 30,080,990 km (0.091 R)
• M24: 36,978,948 km (0.1 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: 294 - 14,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit