🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.47 AU - 0.63 AU

Year: 151 Days

Day: 34.1 Hours

Environment

Temp: 170 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.23 AU - 1.81 AU

Year: 695 Days

Day: 34.5 Hours

Environment

Temp: -42 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.16 AU - 2.66 AU

Year: 1387 Days

Day: 39.3 Hours

Environment

Temp: -85 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.54 AU - 4.1 AU

Year: 2243 Days

Day: 27.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 12.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.5

Radius: 4.1

Gravity: 14.31 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 10.63 AU - 14.17 AU

Year: 16193 Days

Day: 21.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,630,087 km

• M1: 111,301 km (0.107 R)
• M2: 805,285 km (0.116 R)
• M3: 1,062,594 km (0.1 R)
• M4: 1,709,754 km (0.079 R)
• M5: 3,452,868 km (0.107 R)
• M6: 3,601,419 km (0.105 R)
• M7: 4,045,874 km (0.058 R)
• M8: 6,049,738 km (0.104 R)
• M9: 8,586,619 km (0.113 R)
• M10: 9,424,067 km (0.032 R)
• M11: 9,961,872 km (0.086 R)
• M12: 11,977,404 km (0.118 R)
• M13: 14,956,945 km (0.077 R)
• M14: 15,286,210 km (0.043 R)
• M15: 24,531,059 km (0.093 R)
• M16: 35,499,874 km (0.114 R)
• M17: 43,489,447 km (0.081 R)
• M18: 45,658,766 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 15,303 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit