🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.68 AU - 0.76 AU

Year: 223 Days

Day: 34.8 Hours

Environment

Temp: 153 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.3 AU - 3.46 AU

Year: 1785 Days

Day: 12.1 Hours

Environment

Temp: -98 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,848,578 km

• M1: 45,029 km (0.08 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.65 AU - 3.97 AU

Year: 2200 Days

Day: 24.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.47 AU - 5.05 AU

Year: 3211 Days

Day: 18.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 11.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.7

Radius: 13.4

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 10.85 AU - 12.33 AU

Year: 14412 Days

Day: 12.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,848,578 km

• M1: 167,250 km (0.074 R)
• M2: 934,239 km (0.076 R)
• M3: 1,428,660 km (0.093 R)
• M4: 2,702,037 km (0.049 R)
• M5: 3,190,773 km (0.088 R)
• M6: 3,963,596 km (0.114 R)
• M7: 5,996,481 km (0.114 R)
• M8: 6,961,836 km (0.045 R)
• M9: 8,600,980 km (0.116 R)
• M10: 10,262,564 km (0.045 R)
• M11: 15,267,809 km (0.099 R)
• M12: 16,525,628 km (0.051 R)
• M13: 18,499,422 km (0.072 R)
• M14: 20,449,879 km (0.05 R)
• M15: 23,100,305 km (0.045 R)
• M16: 31,940,043 km (0.112 R)
• M17: 32,654,971 km (0.109 R)
• M18: 35,367,779 km (0.119 R)
• M19: 40,679,551 km (0.102 R)
• M20: 41,944,101 km (0.115 R)
• M21: 44,847,646 km (0.055 R)
• M22: 46,197,019 km (0.099 R)
• M23: 54,022,035 km (0.078 R)
• M24: 55,378,289 km (0.095 R)
• M25: 57,630,336 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 13,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit