🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.72 AU - 1.14 AU

Year: 312 Days

Day: 39.7 Hours

Environment

Temp: 179 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.87 AU - 1.07 AU

Year: 333 Days

Day: 21.2 Hours

Environment

Temp: 152 °C

Axial Tilt: 7.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.26 AU - 1.34 AU

Year: 516 Days

Day: 35.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 18.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 99,213,452 km

• M1: 155,731 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 20.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.5

Radius: 5.9

Gravity: 16.25 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 19.72 AU - 21.66 AU

Year: 32774 Days

Day: 16.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 99,213,452 km

• M1: 111,899 km (0.119 R)
• M2: 394,789 km (0.064 R)
• M3: 604,675 km (0.119 R)
• M4: 915,090 km (0.046 R)
• M5: 1,776,026 km (0.11 R)
• M6: 2,273,140 km (0.103 R)
• M7: 3,834,044 km (0.046 R)
• M8: 5,259,712 km (0.099 R)
• M9: 6,045,250 km (0.052 R)
• M10: 6,370,925 km (0.09 R)
• M11: 7,576,983 km (0.036 R)
• M12: 9,473,734 km (0.107 R)
• M13: 10,765,661 km (0.071 R)
• M14: 13,301,943 km (0.101 R)
• M15: 15,169,822 km (0.051 R)
• M16: 16,299,436 km (0.026 R)
• M17: 21,487,640 km (0.025 R)
• M18: 22,355,607 km (0.098 R)
• M19: 30,971,995 km (0.068 R)
• M20: 38,958,427 km (0.09 R)
• M21: 41,564,422 km (0.106 R)
• M22: 44,458,094 km (0.093 R)
• M23: 47,483,262 km (0.088 R)
• M24: 70,199,848 km (0.087 R)
• M25: 76,020,701 km (0.072 R)
• M26: 80,850,768 km (0.072 R)

Kuiper Belt

Range: 31.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 16,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit