🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.55 AU - 0.65 AU

Year: 164 Days

Day: 29.3 Hours

Environment

Temp: 207 °C

Axial Tilt: 6.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,291,957 km

• M1: 93,648 km (0.07 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.55 AU - 0.71 AU

Year: 177 Days

Day: 17.8 Hours

Environment

Temp: 245 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,291,957 km

• M1: 453,880 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.03 AU - 1.61 AU

Year: 535 Days

Day: 13.2 Hours

Environment

Temp: 19 °C

Axial Tilt: 43.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.07 AU - 4.51 AU

Year: 2605 Days

Day: 13.5 Hours

Environment

Temp: -107 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.9

Radius: 14.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.48 AU - 10.64 AU

Year: 9629 Days

Day: 14.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,291,957 km

• M1: 215,122 km (0.051 R)
• M2: 698,323 km (0.102 R)
• M3: 1,459,028 km (0.081 R)
• M4: 1,931,009 km (0.082 R)
• M5: 2,705,477 km (0.073 R)
• M6: 6,258,427 km (0.05 R)
• M7: 7,425,290 km (0.075 R)
• M8: 8,816,551 km (0.097 R)
• M9: 10,235,337 km (0.061 R)
• M10: 12,269,419 km (0.054 R)
• M11: 12,858,386 km (0.058 R)
• M12: 14,620,350 km (0.12 R)
• M13: 17,258,059 km (0.101 R)
• M14: 21,097,189 km (0.09 R)
• M15: 22,812,927 km (0.111 R)
• M16: 27,416,802 km (0.095 R)
• M17: 34,790,032 km (0.037 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 16,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit