🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.4 AU - 0.62 AU

Year: 129 Days

Day: 24.4 Hours

Environment

Temp: 287 °C

Axial Tilt: 33.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 49,214,322 km

• M1: 279,598 km (0.088 R)
• M2: 395,238 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.42 AU - 2.94 AU

Year: 1549 Days

Day: 43.6 Hours

Environment

Temp: -73 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,214,322 km

• M1: 40,092 km (0.07 R)
• M2: 477,367 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.15 AU - 4.45 AU

Year: 3148 Days

Day: 22.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347

Radius: 9.5

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.59 AU - 7.57 AU

Year: 5294 Days

Day: 5.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,214,322 km

• M1: 118,182 km (0.106 R)
• M2: 488,587 km (0.107 R)
• M3: 926,011 km (0.116 R)
• M4: 1,222,215 km (0.1 R)
• M5: 2,209,261 km (0.085 R)
• M6: 3,477,851 km (0.109 R)
• M7: 4,036,899 km (0.106 R)
• M8: 4,606,717 km (0.085 R)
• M9: 5,333,912 km (0.085 R)
• M10: 6,049,289 km (0.071 R)
• M11: 6,400,246 km (0.111 R)
• M12: 7,737,800 km (0.099 R)
• M13: 8,257,952 km (0.117 R)
• M14: 10,039,962 km (0.077 R)
• M15: 11,391,279 km (0.09 R)
• M16: 12,481,399 km (0.106 R)
• M17: 13,051,965 km (0.079 R)
• M18: 13,540,552 km (0.085 R)
• M19: 14,296,321 km (0.03 R)
• M20: 14,763,215 km (0.075 R)
• M21: 24,781,037 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.4

Radius: 3.5

Gravity: 16.36 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 13.55 AU - 15.19 AU

Year: 19235 Days

Day: 25 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,214,322 km

• M1: 45,029 km (0.064 R)
• M2: 233,821 km (0.036 R)
• M3: 775,515 km (0.111 R)
• M4: 1,054,964 km (0.068 R)
• M5: 1,466,209 km (0.065 R)
• M6: 1,654,702 km (0.098 R)
• M7: 3,634,630 km (0.055 R)
• M8: 5,280,057 km (0.1 R)
• M9: 6,153,110 km (0.066 R)
• M10: 9,101,834 km (0.106 R)
• M11: 10,090,975 km (0.071 R)
• M12: 10,717,640 km (0.113 R)
• M13: 12,693,230 km (0.103 R)
• M14: 13,924,420 km (0.114 R)
• M15: 14,503,663 km (0.084 R)
• M16: 19,487,965 km (0.079 R)
• M17: 20,870,549 km (0.052 R)
• M18: 31,757,384 km (0.052 R)
• M19: 34,474,231 km (0.117 R)
• M20: 37,711,379 km (0.106 R)
• M21: 40,106,890 km (0.058 R)
• M22: 46,039,941 km (0.119 R)
• M23: 46,891,752 km (0.064 R)
• M24: 48,188,915 km (0.059 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 17,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit