🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.63 AU - 1.01 AU

Year: 266 Days

Day: 27.1 Hours

Environment

Temp: 133 °C

Axial Tilt: 0.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.11 AU - 1.21 AU

Year: 447 Days

Day: 25.7 Hours

Environment

Temp: 5 °C

Axial Tilt: 25 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.63 AU - 2.47 AU

Year: 1051 Days

Day: 35.1 Hours

Environment

Temp: -55 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.44 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 14.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.6

Radius: 6.5

Gravity: 20.56 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 13.15 AU - 16.51 AU

Year: 20454 Days

Day: 16.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,598,806 km

• M1: 93,199 km (0.027 R)
• M2: 319,990 km (0.093 R)
• M3: 644,617 km (0.059 R)
• M4: 1,164,769 km (0.105 R)
• M5: 1,548,787 km (0.116 R)
• M6: 3,451,073 km (0.085 R)
• M7: 4,075,644 km (0.101 R)
• M8: 4,699,916 km (0.094 R)
• M9: 5,346,179 km (0.1 R)
• M10: 5,964,318 km (0.114 R)
• M11: 6,312,881 km (0.088 R)
• M12: 8,210,081 km (0.105 R)
• M13: 9,786,842 km (0.104 R)
• M14: 14,052,027 km (0.093 R)
• M15: 15,711,217 km (0.055 R)
• M16: 16,124,706 km (0.099 R)
• M17: 16,630,346 km (0.108 R)
• M18: 17,940,973 km (0.093 R)
• M19: 20,865,013 km (0.042 R)
• M20: 27,042,807 km (0.115 R)
• M21: 29,470,481 km (0.114 R)
• M22: 31,645,036 km (0.042 R)
• M23: 36,454,608 km (0.108 R)
• M24: 39,867,085 km (0.12 R)
• M25: 46,637,286 km (0.118 R)
• M26: 58,562,330 km (0.049 R)
• M27: 67,693,485 km (0.084 R)
• M28: 78,446,879 km (0.052 R)
• M29: 78,928,136 km (0.1 R)
• M30: 81,857,112 km (0.053 R)
• M31: 83,598,880 km (0.077 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 18,892 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit