🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.51 AU - 0.61 AU

Year: 146 Days

Day: 36.6 Hours

Environment

Temp: 199 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 17,770,311 km

• M1: 34,707 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.84 AU - 1.28 AU

Year: 380 Days

Day: 25.6 Hours

Environment

Temp: 170 °C

Axial Tilt: 7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 17,770,311 km

• M1: 41,439 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.93 AU - 1.35 AU

Year: 424 Days

Day: 41.2 Hours

Environment

Temp: 32 °C

Axial Tilt: 3.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.15 AU - 1.23 AU

Year: 452 Days

Day: 38.7 Hours

Environment

Temp: 17 °C

Axial Tilt: 11.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.87 AU - 2.93 AU

Year: 1295 Days

Day: 17.7 Hours

Environment

Temp: -72 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 17,770,311 km

• M1: 35,006 km (0.088 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.82 AU - 5.7 AU

Year: 3617 Days

Day: 14.1 Hours

Environment

Temp: -121 °C

Axial Tilt: 86.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

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: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.4

Radius: 14.8

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.4 AU - 7.3 AU

Year: 5573 Days

Day: 8.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,770,311 km

• M1: 188,493 km (0.108 R)
• M2: 760,256 km (0.103 R)
• M3: 1,292,825 km (0.109 R)
• M4: 2,278,525 km (0.075 R)
• M5: 3,093,983 km (0.11 R)
• M6: 3,722,893 km (0.091 R)
• M7: 5,473,337 km (0.048 R)
• M8: 6,062,304 km (0.087 R)
• M9: 7,455,808 km (0.096 R)
• M10: 8,150,391 km (0.109 R)
• M11: 9,634,402 km (0.108 R)
• M12: 10,459,285 km (0.077 R)
• M13: 13,833,614 km (0.093 R)
• M14: 15,597,822 km (0.044 R)
• M15: 17,248,036 km (0.084 R)

Kuiper Belt

Range: 31.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 15,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit