🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.59 AU - 0.95 AU

Year: 255 Days

Day: 34.2 Hours

Environment

Temp: 142 °C

Axial Tilt: 13.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,232,067 km

• M1: 59,390 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.02 AU - 1.36 AU

Year: 489 Days

Day: 25.7 Hours

Environment

Temp: 4 °C

Axial Tilt: 34.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.2 AU - 1.94 AU

Year: 741 Days

Day: 42.3 Hours

Environment

Temp: -49 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,232,067 km

• M1: 205,099 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.67 AU - 2.65 AU

Year: 1196 Days

Day: 24.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.99 AU - 3.31 AU

Year: 2106 Days

Day: 38.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200

Radius: 12.4

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.43 AU - 9.49 AU

Year: 9270 Days

Day: 6.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,232,067 km

• M1: 154,385 km (0.095 R)
• M2: 591,211 km (0.072 R)
• M3: 2,050,388 km (0.083 R)
• M4: 4,027,923 km (0.094 R)
• M5: 7,639,365 km (0.076 R)
• M6: 8,606,366 km (0.083 R)
• M7: 9,241,109 km (0.092 R)
• M8: 9,906,670 km (0.116 R)
• M9: 10,604,095 km (0.099 R)
• M10: 11,056,479 km (0.067 R)
• M11: 11,759,141 km (0.08 R)
• M12: 12,391,940 km (0.047 R)
• M13: 12,945,153 km (0.079 R)
• M14: 14,209,255 km (0.106 R)
• M15: 16,376,778 km (0.038 R)
• M16: 18,173,149 km (0.101 R)
• M17: 21,286,730 km (0.102 R)
• M18: 22,969,855 km (0.059 R)
• M19: 26,599,249 km (0.077 R)
• M20: 28,117,967 km (0.097 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 19,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit