🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.72 AU - 3.62 AU

Year: 1993 Days

Day: 44.3 Hours

Environment

Temp: -91 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.83 AU - 5.49 AU

Year: 4139 Days

Day: 43.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.19 AU - 5.41 AU

Year: 4308 Days

Day: 26.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.18 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 17.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.2

Radius: 5.7

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 13.77 AU - 20.35 AU

Year: 24881 Days

Day: 19.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 105,804,978 km

• M1: 70,909 km (0.12 R)
• M2: 473,477 km (0.114 R)
• M3: 847,173 km (0.093 R)
• M4: 1,563,747 km (0.105 R)
• M5: 2,131,470 km (0.106 R)
• M6: 2,494,245 km (0.1 R)
• M7: 3,164,593 km (0.091 R)
• M8: 3,421,453 km (0.064 R)
• M9: 4,820,791 km (0.097 R)
• M10: 5,126,719 km (0.118 R)
• M11: 13,553,417 km (0.11 R)
• M12: 14,439,785 km (0.115 R)
• M13: 16,862,522 km (0.069 R)
• M14: 21,846,076 km (0.111 R)
• M15: 23,253,493 km (0.098 R)
• M16: 25,222,650 km (0.111 R)
• M17: 27,945,181 km (0.037 R)
• M18: 59,390,654 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.7

Radius: 3.9

Gravity: 58.56 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 15.33 AU - 22.25 AU

Year: 28760 Days

Day: 15.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 105,804,978 km

• M1: 48,919 km (0.113 R)
• M2: 240,553 km (0.117 R)
• M3: 434,731 km (0.099 R)
• M4: 586,573 km (0.118 R)
• M5: 1,056,161 km (0.093 R)
• M6: 1,528,890 km (0.112 R)
• M7: 2,548,549 km (0.097 R)
• M8: 3,019,633 km (0.099 R)
• M9: 3,883,710 km (0.098 R)
• M10: 4,060,236 km (0.097 R)
• M11: 6,715,897 km (0.117 R)
• M12: 7,021,974 km (0.109 R)
• M13: 7,231,262 km (0.104 R)
• M14: 9,557,658 km (0.099 R)
• M15: 11,240,036 km (0.109 R)
• M16: 11,891,086 km (0.055 R)
• M17: 12,720,606 km (0.102 R)
• M18: 14,326,240 km (0.116 R)
• M19: 15,439,398 km (0.1 R)
• M20: 18,324,094 km (0.088 R)
• M21: 26,618,697 km (0.087 R)
• M22: 36,634,723 km (0.095 R)
• M23: 55,012,074 km (0.032 R)
• M24: 58,146,149 km (0.118 R)
• M25: 61,839,571 km (0.106 R)
• M26: 65,686,331 km (0.114 R)
• M27: 67,081,181 km (0.099 R)
• M28: 77,660,144 km (0.107 R)
• M29: 78,437,006 km (0.055 R)
• M30: 89,865,236 km (0.11 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: 183 - 13,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit