🌌 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: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.47 AU - 0.61 AU

Year: 146 Days

Day: 25.8 Hours

Environment

Temp: 168 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.53 AU - 0.71 AU

Year: 180 Days

Day: 28.7 Hours

Environment

Temp: 176 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.51 AU - 0.77 AU

Year: 189 Days

Day: 12.6 Hours

Environment

Temp: 206 °C

Axial Tilt: 15.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.82 AU - 1.02 AU

Year: 326 Days

Day: 41 Hours

Environment

Temp: 22 °C

Axial Tilt: 27.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.79 AU - 1.09 AU

Year: 336 Days

Day: 30.2 Hours

Environment

Temp: 40 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.1 AU - 1.24 AU

Year: 467 Days

Day: 12.3 Hours

Environment

Temp: 0 °C

Axial Tilt: 15.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 5.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.3

Radius: 11.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 8.65 AU - 11.25 AU

Year: 11580 Days

Day: 13.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,577,570 km

• M1: 141,819 km (0.113 R)
• M2: 497,712 km (0.117 R)
• M3: 1,022,202 km (0.113 R)
• M4: 1,720,076 km (0.051 R)
• M5: 3,113,132 km (0.118 R)
• M6: 4,472,677 km (0.112 R)
• M7: 8,952,086 km (0.109 R)
• M8: 9,346,426 km (0.087 R)
• M9: 9,798,361 km (0.06 R)
• M10: 10,264,807 km (0.05 R)
• M11: 11,191,866 km (0.083 R)
• M12: 14,368,576 km (0.099 R)
• M13: 16,815,100 km (0.119 R)
• M14: 17,214,825 km (0.091 R)
• M15: 19,454,156 km (0.106 R)
• M16: 24,334,188 km (0.119 R)
• M17: 26,334,760 km (0.09 R)
• M18: 29,297,247 km (0.108 R)
• M19: 31,458,487 km (0.109 R)
• M20: 32,784,523 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 12,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit