🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.68 AU - 0.72 AU

Year: 256 Days

Day: 36.2 Hours

Environment

Temp: -2 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.79 AU - 1.15 AU

Year: 417 Days

Day: 47.3 Hours

Environment

Temp: -46 °C

Axial Tilt: 42.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.5

Radius: 10.5

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.2 AU - 3.18 AU

Year: 1926 Days

Day: 11.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,343,781 km

• M1: 133,142 km (0.081 R)
• M2: 588,817 km (0.085 R)
• M3: 935,435 km (0.104 R)
• M4: 1,318,556 km (0.103 R)
• M5: 1,733,540 km (0.045 R)
• M6: 2,149,273 km (0.106 R)
• M7: 2,548,549 km (0.078 R)
• M8: 3,200,796 km (0.077 R)
• M9: 3,706,886 km (0.054 R)
• M10: 4,054,551 km (0.117 R)
• M11: 4,858,490 km (0.047 R)
• M12: 5,505,351 km (0.071 R)
• M13: 5,984,364 km (0.071 R)
• M14: 8,337,389 km (0.075 R)
• M15: 9,133,100 km (0.095 R)
• M16: 10,153,955 km (0.066 R)
• M17: 11,903,802 km (0.099 R)
• M18: 12,461,802 km (0.044 R)
• M19: 13,162,668 km (0.073 R)
• M20: 14,598,209 km (0.104 R)
• M21: 15,099,063 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.1

Radius: 6.9

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.27 AU - 12.53 AU

Year: 14642 Days

Day: 16.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,343,781 km

• M1: 86,468 km (0.099 R)
• M2: 1,263,653 km (0.062 R)
• M3: 2,033,334 km (0.076 R)
• M4: 2,356,166 km (0.113 R)
• M5: 2,583,106 km (0.063 R)
• M6: 2,847,296 km (0.064 R)
• M7: 3,105,203 km (0.092 R)
• M8: 3,353,386 km (0.119 R)
• M9: 3,777,945 km (0.112 R)
• M10: 4,090,155 km (0.086 R)
• M11: 4,388,902 km (0.109 R)
• M12: 6,300,165 km (0.036 R)
• M13: 7,906,696 km (0.041 R)
• M14: 8,952,385 km (0.057 R)
• M15: 10,971,059 km (0.035 R)
• M16: 13,864,431 km (0.111 R)
• M17: 14,539,716 km (0.099 R)
• M18: 15,810,251 km (0.101 R)
• M19: 16,772,764 km (0.064 R)
• M20: 18,732,496 km (0.032 R)
• M21: 20,752,665 km (0.046 R)
• M22: 24,727,930 km (0.11 R)
• M23: 26,327,879 km (0.101 R)
• M24: 26,635,452 km (0.111 R)
• M25: 28,855,634 km (0.105 R)
• M26: 33,901,720 km (0.101 R)
• M27: 34,144,218 km (0.074 R)
• M28: 35,748,057 km (0.098 R)
• M29: 37,015,600 km (0.086 R)
• M30: 37,401,712 km (0.102 R)
• M31: 40,450,965 km (0.097 R)
• M32: 40,860,414 km (0.106 R)
• M33: 41,135,076 km (0.081 R)
• M34: 42,385,864 km (0.109 R)
• M35: 49,488,023 km (0.059 R)
• M36: 54,472,923 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 13,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit