🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.56 AU - 0.82 AU

Year: 211 Days

Day: 36.3 Hours

Environment

Temp: 157 °C

Axial Tilt: 5.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.98 AU - 1.1 AU

Year: 391 Days

Day: 43.5 Hours

Environment

Temp: 23 °C

Axial Tilt: 49.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.3

Radius: 13.5

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.09 AU - 6.03 AU

Year: 4200 Days

Day: 14.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,412,626 km

• M1: 168,447 km (0.111 R)
• M2: 736,171 km (0.114 R)
• M3: 1,303,596 km (0.036 R)
• M4: 1,741,170 km (0.112 R)
• M5: 2,542,266 km (0.078 R)
• M6: 3,014,098 km (0.076 R)
• M7: 3,885,356 km (0.118 R)
• M8: 4,361,676 km (0.039 R)
• M9: 6,853,527 km (0.056 R)
• M10: 7,525,222 km (0.109 R)
• M11: 8,093,843 km (0.112 R)
• M12: 8,599,634 km (0.089 R)
• M13: 9,063,237 km (0.082 R)
• M14: 11,016,238 km (0.099 R)
• M15: 13,855,456 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.8

Radius: 12.8

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.12 AU - 6.78 AU

Year: 6044 Days

Day: 8 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,412,626 km

• M1: 159,471 km (0.104 R)
• M2: 754,123 km (0.03 R)
• M3: 1,292,526 km (0.119 R)
• M4: 3,181,498 km (0.102 R)
• M5: 3,813,699 km (0.071 R)
• M6: 4,329,362 km (0.112 R)
• M7: 5,886,377 km (0.107 R)
• M8: 6,288,646 km (0.097 R)
• M9: 9,559,005 km (0.112 R)
• M10: 10,605,741 km (0.045 R)
• M11: 11,017,584 km (0.097 R)
• M12: 12,978,513 km (0.055 R)
• M13: 13,824,638 km (0.089 R)
• M14: 14,763,515 km (0.106 R)
• M15: 17,581,191 km (0.071 R)
• M16: 18,882,393 km (0.066 R)
• M17: 20,386,899 km (0.065 R)
• M18: 24,022,875 km (0.067 R)
• M19: 29,216,015 km (0.096 R)
• M20: 30,118,240 km (0.107 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 19,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit