🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.46 AU - 0.76 AU

Year: 171 Days

Day: 17.2 Hours

Environment

Temp: 209 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.56 AU - 0.84 AU

Year: 211 Days

Day: 14.8 Hours

Environment

Temp: 186 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.02 AU - 1.04 AU

Year: 376 Days

Day: 16.8 Hours

Environment

Temp: 34 °C

Axial Tilt: 44.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.29 AU - 3.15 AU

Year: 1614 Days

Day: 19.2 Hours

Environment

Temp: -94 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 8,997,910 km

• M1: 101,876 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.5

Radius: 12.3

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.58 AU - 5.7 AU

Year: 4820 Days

Day: 8.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 8,997,910 km

• M1: 169,195 km (0.072 R)
• M2: 320,289 km (0.093 R)
• M3: 516,113 km (0.104 R)
• M4: 677,080 km (0.102 R)
• M5: 772,972 km (0.068 R)
• M6: 1,428,510 km (0.085 R)
• M7: 1,570,179 km (0.097 R)
• M8: 2,298,870 km (0.041 R)
• M9: 2,449,516 km (0.089 R)
• M10: 2,594,925 km (0.03 R)
• M11: 2,673,164 km (0.048 R)
• M12: 2,769,805 km (0.091 R)
• M13: 2,867,642 km (0.065 R)
• M14: 3,057,631 km (0.119 R)
• M15: 3,168,184 km (0.063 R)
• M16: 3,701,799 km (0.067 R)
• M17: 3,999,499 km (0.083 R)
• M18: 4,325,473 km (0.108 R)
• M19: 4,992,829 km (0.084 R)
• M20: 5,211,541 km (0.098 R)
• M21: 5,545,443 km (0.059 R)
• M22: 6,164,180 km (0.03 R)
• M23: 6,363,594 km (0.063 R)
• M24: 6,986,819 km (0.113 R)
• M25: 7,367,695 km (0.077 R)
• M26: 7,793,151 km (0.118 R)
• M27: 8,072,899 km (0.105 R)
• M28: 8,188,239 km (0.096 R)
• M29: 8,278,297 km (0.105 R)
• M30: 8,812,811 km (0.039 R)

Kuiper Belt

Range: 30.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 13,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit