🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.5 AU - 0.58 AU

Year: 171 Days

Day: 21.3 Hours

Environment

Temp: 30 °C

Axial Tilt: 11.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.77 AU - 1.05 AU

Year: 374 Days

Day: 39.8 Hours

Environment

Temp: -41 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,401,682 km

• M1: 233,373 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.77 AU - 1.09 AU

Year: 386 Days

Day: 31 Hours

Environment

Temp: -42 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.47 AU - 1.87 AU

Year: 929 Days

Day: 13.2 Hours

Environment

Temp: -93 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,401,682 km

• M1: 117,883 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.2

Radius: 15

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.52 AU - 5.58 AU

Year: 4885 Days

Day: 8.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,401,682 km

• M1: 186,549 km (0.089 R)
• M2: 1,057,208 km (0.04 R)
• M3: 1,966,015 km (0.037 R)
• M4: 2,440,689 km (0.057 R)
• M5: 3,883,561 km (0.105 R)
• M6: 4,702,459 km (0.119 R)
• M7: 7,046,808 km (0.051 R)
• M8: 7,978,653 km (0.046 R)
• M9: 10,461,230 km (0.053 R)
• M10: 11,860,568 km (0.103 R)
• M11: 12,625,013 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.4

Radius: 4.1

Gravity: 25.72 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.67 AU - 12.29 AU

Year: 13571 Days

Day: 18.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,401,682 km

• M1: 51,162 km (0.1 R)
• M2: 334,950 km (0.03 R)
• M3: 946,207 km (0.064 R)
• M4: 3,572,248 km (0.085 R)
• M5: 4,110,351 km (0.118 R)
• M6: 5,447,158 km (0.119 R)
• M7: 7,089,892 km (0.117 R)
• M8: 11,200,841 km (0.077 R)
• M9: 11,705,884 km (0.067 R)
• M10: 13,004,244 km (0.112 R)
• M11: 14,395,354 km (0.119 R)
• M12: 16,234,660 km (0.043 R)
• M13: 19,638,311 km (0.108 R)
• M14: 19,880,809 km (0.102 R)
• M15: 22,770,142 km (0.083 R)
• M16: 25,159,669 km (0.043 R)
• M17: 27,711,360 km (0.093 R)
• M18: 33,207,137 km (0.096 R)
• M19: 37,619,825 km (0.095 R)
• M20: 48,906,237 km (0.114 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 12,381 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit