🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.76 AU - 0.84 AU

Year: 250 Days

Day: 35.3 Hours

Environment

Temp: 127 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.42 AU - 1.72 AU

Year: 688 Days

Day: 23.8 Hours

Environment

Temp: -16 °C

Axial Tilt: 112.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 23,179,855 km

• M1: 977,173 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.6 AU - 1.78 AU

Year: 769 Days

Day: 26.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,179,855 km

• M1: 39,943 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.7 AU - 2.68 AU

Year: 1134 Days

Day: 38.2 Hours

Environment

Temp: -55 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.89 AU - 4.57 AU

Year: 2520 Days

Day: 43.4 Hours

Environment

Temp: -118 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 23,179,855 km

• M1: 25,432 km (0.1 R)
• M2: 970,142 km (0.099 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.51 AU - 5.85 AU

Year: 3542 Days

Day: 22.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 77.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,179,855 km

• M1: 1,734,139 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.3

Radius: 13.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.22 AU - 7.12 AU

Year: 6027 Days

Day: 9.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,179,855 km

• M1: 166,652 km (0.08 R)
• M2: 2,222,127 km (0.057 R)
• M3: 2,680,046 km (0.098 R)
• M4: 4,295,404 km (0.104 R)
• M5: 5,087,973 km (0.034 R)
• M6: 6,934,310 km (0.077 R)
• M7: 7,434,715 km (0.081 R)
• M8: 8,864,123 km (0.091 R)
• M9: 9,644,126 km (0.091 R)
• M10: 10,070,779 km (0.116 R)

Kuiper Belt

Range: 31.4 - 58.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 16,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit