🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.78 AU - 0.96 AU

Year: 289 Days

Day: 34.9 Hours

Environment

Temp: 149 °C

Axial Tilt: 23.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1 AU - 1.42 AU

Year: 474 Days

Day: 41.6 Hours

Environment

Temp: 15 °C

Axial Tilt: 48.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.86 AU - 5.06 AU

Year: 3357 Days

Day: 47.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.1

Radius: 8

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.7 AU - 10.36 AU

Year: 8880 Days

Day: 10.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 99,761,319 km

• M1: 99,483 km (0.072 R)
• M2: 718,070 km (0.093 R)
• M3: 1,088,773 km (0.057 R)
• M4: 1,514,978 km (0.055 R)
• M5: 2,151,816 km (0.116 R)
• M6: 6,716,047 km (0.028 R)
• M7: 11,532,799 km (0.102 R)
• M8: 17,444,608 km (0.049 R)
• M9: 20,919,617 km (0.104 R)
• M10: 25,479,509 km (0.083 R)
• M11: 27,005,707 km (0.113 R)
• M12: 28,189,624 km (0.09 R)
• M13: 36,147,483 km (0.099 R)
• M14: 37,101,319 km (0.062 R)
• M15: 41,862,122 km (0.085 R)
• M16: 44,524,216 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881

Radius: 5.1

Gravity: 33.87 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 13.27 AU - 22.07 AU

Year: 26476 Days

Day: 22.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 156.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 99,761,319 km

• M1: 63,579 km (0.059 R)
• M2: 240,105 km (0.064 R)
• M3: 837,299 km (0.118 R)
• M4: 1,013,376 km (0.11 R)
• M5: 1,199,027 km (0.052 R)
• M6: 1,836,015 km (0.116 R)
• M7: 2,228,559 km (0.115 R)
• M8: 2,701,738 km (0.048 R)
• M9: 3,711,822 km (0.116 R)
• M10: 4,265,185 km (0.076 R)
• M11: 5,072,565 km (0.1 R)
• M12: 5,363,084 km (0.067 R)
• M13: 8,440,761 km (0.11 R)
• M14: 9,148,359 km (0.079 R)
• M15: 12,451,031 km (0.11 R)
• M16: 13,444,660 km (0.085 R)
• M17: 14,001,014 km (0.075 R)
• M18: 18,236,728 km (0.111 R)
• M19: 19,616,470 km (0.078 R)
• M20: 26,444,416 km (0.052 R)
• M21: 29,250,423 km (0.069 R)
• M22: 31,411,663 km (0.069 R)
• M23: 34,113,401 km (0.065 R)
• M24: 34,553,817 km (0.075 R)
• M25: 35,295,972 km (0.076 R)
• M26: 36,966,232 km (0.11 R)
• M27: 38,529,680 km (0.091 R)
• M28: 62,596,087 km (0.051 R)
• M29: 63,035,456 km (0.109 R)
• M30: 66,396,322 km (0.11 R)
• M31: 71,778,405 km (0.082 R)
• M32: 72,018,809 km (0.073 R)
• M33: 73,228,756 km (0.088 R)
• M34: 74,945,392 km (0.034 R)
• M35: 75,192,827 km (0.076 R)
• M36: 84,734,628 km (0.077 R)
• M37: 85,272,282 km (0.074 R)
• M38: 85,541,858 km (0.056 R)
• M39: 86,082,953 km (0.071 R)
• M40: 98,569,738 km (0.089 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 19,992 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit