🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.51 AU - 0.55 AU

Year: 136 Days

Day: 25.1 Hours

Environment

Temp: 224 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.94 AU - 1.04 AU

Year: 348 Days

Day: 41.8 Hours

Environment

Temp: 121 °C

Axial Tilt: 45.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.12 AU - 1.3 AU

Year: 470 Days

Day: 24.7 Hours

Environment

Temp: 19 °C

Axial Tilt: 38.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 35,148,775 km

• M1: 48,021 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.08 AU - 2.7 AU

Year: 1305 Days

Day: 37.4 Hours

Environment

Temp: -82 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,148,775 km

• M1: 118,781 km (0.116 R)
• M2: 559,496 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2 AU - 2.94 AU

Year: 1371 Days

Day: 16.7 Hours

Environment

Temp: -66 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,148,775 km

• M1: 175,478 km (0.07 R)

Asteroid Belt

Center: 5.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.8

Radius: 13.4

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.97 AU - 8.53 AU

Year: 8367 Days

Day: 9.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,148,775 km

• M1: 166,652 km (0.089 R)
• M2: 746,643 km (0.071 R)
• M3: 2,116,660 km (0.114 R)
• M4: 2,814,385 km (0.085 R)
• M5: 3,571,649 km (0.062 R)
• M6: 4,182,308 km (0.045 R)
• M7: 5,736,480 km (0.051 R)
• M8: 6,343,099 km (0.099 R)
• M9: 9,337,002 km (0.106 R)
• M10: 9,773,678 km (0.064 R)
• M11: 11,658,611 km (0.111 R)
• M12: 13,387,513 km (0.08 R)
• M13: 15,162,193 km (0.103 R)
• M14: 16,324,568 km (0.094 R)
• M15: 16,767,528 km (0.106 R)
• M16: 17,414,239 km (0.098 R)
• M17: 18,483,565 km (0.078 R)
• M18: 23,043,906 km (0.114 R)
• M19: 24,994,663 km (0.06 R)
• M20: 30,923,525 km (0.092 R)
• M21: 31,602,700 km (0.119 R)
• M22: 34,419,328 km (0.066 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 18,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit