🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.65 AU - 1.01 AU

Year: 282 Days

Day: 30.6 Hours

Environment

Temp: 100 °C

Axial Tilt: 13.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.03 AU - 1.17 AU

Year: 430 Days

Day: 15.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 124 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.23 AU - 1.27 AU

Year: 521 Days

Day: 36.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 5.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 33,637,560 km

• M1: 932,743 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.47 AU - 2.13 AU

Year: 900 Days

Day: 13.4 Hours

Environment

Temp: -68 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,637,560 km

• M1: 129,253 km (0.062 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.83 AU - 2.55 AU

Year: 1208 Days

Day: 31.6 Hours

Environment

Temp: -90 °C

Axial Tilt: 49.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.8

Radius: 14.9

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.34 AU - 6.8 AU

Year: 4900 Days

Day: 11.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,637,560 km

• M1: 186,549 km (0.051 R)
• M2: 1,511,686 km (0.068 R)
• M3: 2,154,359 km (0.059 R)
• M4: 3,702,996 km (0.072 R)
• M5: 5,025,890 km (0.068 R)
• M6: 6,413,111 km (0.061 R)
• M7: 7,161,100 km (0.05 R)
• M8: 8,157,871 km (0.083 R)
• M9: 9,245,448 km (0.111 R)
• M10: 10,246,557 km (0.056 R)
• M11: 11,512,603 km (0.111 R)
• M12: 12,671,239 km (0.105 R)
• M13: 13,413,843 km (0.054 R)
• M14: 16,305,570 km (0.079 R)
• M15: 18,227,902 km (0.119 R)
• M16: 19,243,821 km (0.117 R)
• M17: 20,440,455 km (0.107 R)
• M18: 25,811,766 km (0.057 R)
• M19: 27,616,964 km (0.062 R)
• M20: 29,781,645 km (0.103 R)
• M21: 30,433,892 km (0.074 R)
• M22: 32,644,051 km (0.103 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 18,992 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit