🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.62 AU - 0.74 AU

Year: 205 Days

Day: 21.1 Hours

Environment

Temp: 119 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.85 AU - 1.05 AU

Year: 338 Days

Day: 18.4 Hours

Environment

Temp: 42 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 27,279,220 km

• M1: 22,140 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.98 AU - 4.58 AU

Year: 3234 Days

Day: 18.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.7

Radius: 8.6

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.27 AU - 8.25 AU

Year: 6420 Days

Day: 5.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 117 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,279,220 km

• M1: 106,962 km (0.103 R)
• M2: 574,306 km (0.056 R)
• M3: 1,085,183 km (0.086 R)
• M4: 1,366,577 km (0.072 R)
• M5: 2,006,257 km (0.073 R)
• M6: 2,720,437 km (0.047 R)
• M7: 3,869,050 km (0.105 R)
• M8: 4,207,291 km (0.108 R)
• M9: 5,670,358 km (0.097 R)
• M10: 7,556,188 km (0.115 R)
• M11: 14,255,331 km (0.096 R)
• M12: 17,286,483 km (0.077 R)
• M13: 21,609,861 km (0.099 R)
• M14: 22,139,288 km (0.06 R)
• M15: 24,834,294 km (0.069 R)
• M16: 28,186,333 km (0.102 R)
• M17: 30,016,962 km (0.073 R)
• M18: 31,152,709 km (0.119 R)
• M19: 31,731,204 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.3

Radius: 13.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.86 AU - 8.76 AU

Year: 7219 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,279,220 km

• M1: 172,935 km (0.073 R)
• M2: 632,949 km (0.088 R)
• M3: 1,210,247 km (0.103 R)
• M4: 2,253,692 km (0.089 R)
• M5: 3,170,577 km (0.088 R)
• M6: 3,962,249 km (0.074 R)
• M7: 13,285,189 km (0.115 R)
• M8: 20,938,017 km (0.114 R)
• M9: 23,193,654 km (0.096 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 11,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit