🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.89 AU - 1.09 AU

Year: 349 Days

Day: 16 Hours

Environment

Temp: 145 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.77 AU - 1.24 AU

Year: 355 Days

Day: 36.4 Hours

Environment

Temp: 110 °C

Axial Tilt: 4.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 6.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 11.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.9

Radius: 10

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 8.66 AU - 14.32 AU

Year: 13817 Days

Day: 12.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,559,332 km

• M1: 130,749 km (0.119 R)
• M2: 1,200,673 km (0.109 R)
• M3: 1,879,996 km (0.071 R)
• M4: 5,354,108 km (0.111 R)
• M5: 5,811,279 km (0.103 R)
• M6: 13,971,693 km (0.043 R)
• M7: 20,648,246 km (0.059 R)
• M8: 21,598,043 km (0.115 R)
• M9: 25,007,079 km (0.092 R)
• M10: 37,483,990 km (0.07 R)
• M11: 41,147,642 km (0.118 R)
• M12: 42,926,959 km (0.043 R)
• M13: 51,650,909 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.8

Radius: 5

Gravity: 18.39 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 15.91 AU - 20.53 AU

Year: 27591 Days

Day: 16 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 82,559,332 km

• M1: 67,469 km (0.115 R)
• M2: 489,335 km (0.036 R)
• M3: 826,229 km (0.09 R)
• M4: 1,027,139 km (0.088 R)
• M5: 1,614,909 km (0.106 R)
• M6: 2,567,698 km (0.118 R)
• M7: 3,629,693 km (0.094 R)
• M8: 5,381,634 km (0.077 R)
• M9: 6,439,889 km (0.082 R)
• M10: 7,987,778 km (0.102 R)
• M11: 9,887,222 km (0.069 R)
• M12: 12,553,805 km (0.091 R)
• M13: 16,663,108 km (0.111 R)
• M14: 16,833,650 km (0.09 R)
• M15: 17,265,090 km (0.102 R)
• M16: 17,792,572 km (0.062 R)
• M17: 18,240,319 km (0.064 R)
• M18: 24,763,384 km (0.049 R)
• M19: 25,321,384 km (0.093 R)
• M20: 30,725,907 km (0.036 R)
• M21: 33,491,971 km (0.042 R)
• M22: 35,707,665 km (0.101 R)
• M23: 36,563,066 km (0.084 R)
• M24: 38,911,005 km (0.045 R)
• M25: 39,816,820 km (0.091 R)
• M26: 41,201,647 km (0.034 R)
• M27: 46,892,799 km (0.09 R)
• M28: 48,263,415 km (0.108 R)
• M29: 51,444,314 km (0.112 R)
• M30: 53,641,009 km (0.077 R)
• M31: 54,574,350 km (0.101 R)
• M32: 59,404,267 km (0.06 R)
• M33: 65,566,802 km (0.055 R)
• M34: 66,633,584 km (0.11 R)
• M35: 66,848,407 km (0.097 R)
• M36: 75,122,516 km (0.074 R)
• M37: 80,595,254 km (0.105 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 18,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit