🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.53 AU - 0.67 AU

Year: 166 Days

Day: 22.3 Hours

Environment

Temp: 195 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,094,552 km

• M1: 245,041 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.45 AU - 0.75 AU

Year: 166 Days

Day: 22 Hours

Environment

Temp: 159 °C

Axial Tilt: 79.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,094,552 km

• M1: 78,688 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.57 AU - 0.69 AU

Year: 179 Days

Day: 23.8 Hours

Environment

Temp: 193 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,094,552 km

• M1: 266,284 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.19 AU - 1.81 AU

Year: 658 Days

Day: 37.7 Hours

Environment

Temp: -36 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,094,552 km

• M1: 23,337 km (0.102 R)
• M2: 236,365 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.4

Radius: 3.9

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 15.44 AU - 21.06 AU

Year: 27923 Days

Day: 20.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,094,552 km

• M1: 48,769 km (0.073 R)
• M2: 598,092 km (0.056 R)
• M3: 838,197 km (0.114 R)
• M4: 1,369,120 km (0.117 R)
• M5: 2,303,358 km (0.094 R)
• M6: 3,028,758 km (0.055 R)
• M7: 3,367,598 km (0.118 R)
• M8: 4,818,099 km (0.108 R)
• M9: 5,078,249 km (0.039 R)
• M10: 5,697,734 km (0.048 R)
• M11: 9,019,256 km (0.106 R)
• M12: 13,759,563 km (0.116 R)
• M13: 15,023,366 km (0.108 R)
• M14: 16,727,884 km (0.05 R)
• M15: 16,949,588 km (0.115 R)
• M16: 19,195,202 km (0.109 R)
• M17: 37,192,723 km (0.079 R)
• M18: 37,570,458 km (0.103 R)
• M19: 39,236,978 km (0.087 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: 160 - 19,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit