🌌 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: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.72 AU - 0.96 AU

Year: 278 Days

Day: 46.2 Hours

Environment

Temp: 174 °C

Axial Tilt: 46.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.78 AU - 1.26 AU

Year: 373 Days

Day: 26.8 Hours

Environment

Temp: 17 °C

Axial Tilt: 20.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 59,892,262 km

• M1: 27,376 km (0.103 R)
• M2: 464,053 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.15 AU - 3.41 AU

Year: 1676 Days

Day: 45.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.98 AU - 4.6 AU

Year: 3213 Days

Day: 31.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.99 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.2

Radius: 11

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.78 AU - 14.58 AU

Year: 14436 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,892,262 km

• M1: 141,220 km (0.114 R)
• M2: 546,631 km (0.117 R)
• M3: 1,037,312 km (0.116 R)
• M4: 1,594,115 km (0.112 R)
• M5: 2,058,317 km (0.111 R)
• M6: 2,611,979 km (0.067 R)
• M7: 3,364,157 km (0.119 R)
• M8: 4,691,688 km (0.086 R)
• M9: 5,402,578 km (0.111 R)
• M10: 6,540,868 km (0.119 R)
• M11: 6,911,870 km (0.098 R)
• M12: 7,561,574 km (0.119 R)
• M13: 9,083,433 km (0.12 R)
• M14: 10,407,524 km (0.116 R)
• M15: 11,615,826 km (0.098 R)
• M16: 12,534,506 km (0.069 R)
• M17: 13,369,412 km (0.044 R)
• M18: 21,343,727 km (0.089 R)
• M19: 23,097,313 km (0.112 R)
• M20: 24,745,881 km (0.112 R)
• M21: 26,994,188 km (0.094 R)
• M22: 29,153,334 km (0.102 R)
• M23: 32,366,098 km (0.067 R)
• M24: 33,446,942 km (0.119 R)
• M25: 34,057,750 km (0.104 R)
• M26: 46,819,496 km (0.059 R)
• M27: 47,277,265 km (0.099 R)
• M28: 50,245,437 km (0.102 R)
• M29: 51,207,950 km (0.058 R)
• M30: 58,117,426 km (0.069 R)
• M31: 59,356,097 km (0.105 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 14,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit