🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.4

Radius: 14.8

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.8 AU - 1.24 AU

Year: 687 Days

Day: 5.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,662,983 km

• M1: 184,454 km (0.088 R)
• M2: 722,259 km (0.063 R)
• M3: 1,205,460 km (0.049 R)
• M4: 1,997,132 km (0.076 R)
• M5: 2,904,592 km (0.075 R)
• M6: 3,423,697 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.2

Radius: 13.7

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.7 AU - 3.94 AU

Year: 4034 Days

Day: 12.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,662,983 km

• M1: 170,392 km (0.097 R)
• M2: 885,021 km (0.085 R)
• M3: 1,380,040 km (0.113 R)
• M4: 2,105,590 km (0.059 R)
• M5: 2,615,569 km (0.12 R)
• M6: 3,131,532 km (0.097 R)
• M7: 3,589,003 km (0.052 R)
• M8: 4,766,039 km (0.098 R)
• M9: 5,292,773 km (0.116 R)
• M10: 6,186,470 km (0.102 R)
• M11: 6,814,781 km (0.093 R)
• M12: 7,980,897 km (0.04 R)
• M13: 8,611,751 km (0.112 R)
• M14: 9,316,058 km (0.118 R)
• M15: 13,480,264 km (0.113 R)
• M16: 16,583,373 km (0.107 R)
• M17: 24,240,989 km (0.055 R)
• M18: 24,936,768 km (0.093 R)

Planet 3 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.4

Radius: 4.3

Gravity: 20.19 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.2 AU - 11.18 AU

Year: 18578 Days

Day: 19.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 20,662,983 km

• M1: 53,855 km (0.105 R)
• M2: 189,391 km (0.112 R)
• M3: 398,230 km (0.093 R)
• M4: 1,153,699 km (0.041 R)
• M5: 1,310,029 km (0.117 R)
• M6: 2,316,224 km (0.071 R)
• M7: 3,349,048 km (0.105 R)
• M8: 4,464,898 km (0.094 R)
• M9: 5,997,678 km (0.112 R)
• M10: 7,622,311 km (0.087 R)
• M11: 7,803,923 km (0.048 R)
• M12: 8,955,228 km (0.062 R)
• M13: 9,889,616 km (0.096 R)
• M14: 10,830,138 km (0.044 R)
• M15: 19,306,652 km (0.065 R)
• M16: 21,754,373 km (0.101 R)
• M17: 29,535,407 km (0.109 R)
• M18: 34,844,635 km (0.102 R)
• M19: 36,489,015 km (0.072 R)
• M20: 43,008,789 km (0.11 R)
• M21: 48,069,087 km (0.036 R)
• M22: 50,581,882 km (0.064 R)
• M23: 52,033,131 km (0.061 R)
• M24: 57,417,907 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15

Radius: 3

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.54 AU - 10.2 AU

Year: 19127 Days

Day: 15.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,662,983 km

• M1: 42,037 km (0.112 R)
• M2: 745,297 km (0.063 R)
• M3: 1,099,096 km (0.027 R)
• M4: 1,448,407 km (0.076 R)
• M5: 2,971,014 km (0.113 R)
• M6: 3,073,339 km (0.094 R)
• M7: 3,837,036 km (0.072 R)
• M8: 4,209,086 km (0.085 R)
• M9: 5,967,160 km (0.11 R)
• M10: 6,157,748 km (0.086 R)
• M11: 8,193,625 km (0.109 R)
• M12: 11,368,092 km (0.096 R)
• M13: 11,661,154 km (0.039 R)
• M14: 12,262,238 km (0.104 R)
• M15: 13,525,891 km (0.101 R)
• M16: 13,807,584 km (0.064 R)
• M17: 15,993,808 km (0.057 R)
• M18: 17,388,359 km (0.084 R)
• M19: 17,945,611 km (0.031 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 19,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit