🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.62 AU - 0.8 AU

Year: 223 Days

Day: 33.5 Hours

Environment

Temp: 179 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.67 AU - 0.85 AU

Year: 247 Days

Day: 38.7 Hours

Environment

Temp: 133 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.97 AU - 1.17 AU

Year: 413 Days

Day: 47.3 Hours

Environment

Temp: 9 °C

Axial Tilt: 26.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 27,938,777 km

• M1: 49,517 km (0.071 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.73 AU - 2.05 AU

Year: 969 Days

Day: 23.9 Hours

Environment

Temp: -59 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.2

Radius: 9.9

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.5 AU - 6.8 AU

Year: 5006 Days

Day: 13.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,938,777 km

• M1: 146,905 km (0.042 R)
• M2: 589,715 km (0.07 R)
• M3: 1,453,643 km (0.064 R)
• M4: 2,111,125 km (0.099 R)
• M5: 2,557,824 km (0.061 R)
• M6: 3,966,887 km (0.03 R)
• M7: 5,923,477 km (0.091 R)
• M8: 6,561,811 km (0.072 R)
• M9: 6,881,502 km (0.102 R)
• M10: 8,192,877 km (0.084 R)
• M11: 11,440,497 km (0.084 R)
• M12: 15,347,844 km (0.07 R)
• M13: 15,855,878 km (0.103 R)
• M14: 22,209,449 km (0.102 R)
• M15: 22,932,606 km (0.093 R)
• M16: 24,655,823 km (0.079 R)
• M17: 25,196,919 km (0.119 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: 367 - 15,505 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit