🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.71 AU - 0.83 AU

Year: 237 Days

Day: 34.7 Hours

Environment

Temp: 208 °C

Axial Tilt: 4.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.83 AU - 0.99 AU

Year: 305 Days

Day: 37.6 Hours

Environment

Temp: 115 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.42 AU - 3.58 AU

Year: 1826 Days

Day: 25.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 12.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.8

Radius: 11.8

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 11.95 AU - 12.73 AU

Year: 15235 Days

Day: 5.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 130.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,689,371 km

• M1: 147,354 km (0.08 R)
• M2: 541,395 km (0.087 R)
• M3: 977,622 km (0.057 R)
• M4: 1,485,806 km (0.092 R)
• M5: 2,368,284 km (0.085 R)
• M6: 3,769,268 km (0.12 R)
• M7: 4,310,363 km (0.066 R)
• M8: 5,738,126 km (0.117 R)
• M9: 6,129,922 km (0.091 R)
• M10: 8,120,023 km (0.056 R)
• M11: 12,084,965 km (0.103 R)
• M12: 20,250,017 km (0.075 R)
• M13: 21,162,264 km (0.074 R)
• M14: 22,101,739 km (0.075 R)
• M15: 22,485,308 km (0.115 R)
• M16: 23,167,025 km (0.118 R)
• M17: 27,550,991 km (0.101 R)
• M18: 33,961,709 km (0.105 R)
• M19: 39,305,793 km (0.099 R)
• M20: 39,869,179 km (0.059 R)
• M21: 55,946,911 km (0.113 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 16,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit