🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.97 AU - 1.07 AU

Year: 362 Days

Day: 13.8 Hours

Environment

Temp: 128 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.92 AU - 1.34 AU

Year: 422 Days

Day: 42.6 Hours

Environment

Temp: 20 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.71 AU - 2.29 AU

Year: 994 Days

Day: 35.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,399,964 km

• M1: 377,884 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.2

Radius: 14.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.79 AU - 7.37 AU

Year: 6621 Days

Day: 5.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 98,399,964 km

• M1: 184,005 km (0.109 R)
• M2: 884,273 km (0.107 R)
• M3: 1,729,052 km (0.119 R)
• M4: 2,345,096 km (0.114 R)
• M5: 3,280,981 km (0.112 R)
• M6: 4,174,080 km (0.026 R)
• M7: 5,199,424 km (0.032 R)
• M8: 6,081,153 km (0.113 R)
• M9: 6,703,331 km (0.112 R)
• M10: 8,042,980 km (0.112 R)
• M11: 8,584,823 km (0.066 R)
• M12: 10,279,917 km (0.044 R)
• M13: 11,124,247 km (0.103 R)
• M14: 11,669,681 km (0.1 R)
• M15: 13,984,858 km (0.068 R)
• M16: 16,269,367 km (0.036 R)
• M17: 17,472,433 km (0.106 R)
• M18: 19,507,862 km (0.074 R)
• M19: 20,551,606 km (0.057 R)
• M20: 21,182,759 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.3

Radius: 12.1

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.58 AU - 11.08 AU

Year: 10832 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 98,399,964 km

• M1: 150,495 km (0.097 R)
• M2: 567,874 km (0.088 R)
• M3: 1,075,010 km (0.109 R)
• M4: 1,654,552 km (0.095 R)
• M5: 2,528,653 km (0.039 R)
• M6: 3,317,632 km (0.075 R)
• M7: 4,022,836 km (0.046 R)
• M8: 4,515,761 km (0.058 R)
• M9: 5,409,459 km (0.084 R)
• M10: 5,870,819 km (0.075 R)
• M11: 6,536,978 km (0.072 R)
• M12: 7,448,029 km (0.083 R)
• M13: 9,101,983 km (0.103 R)
• M14: 12,883,817 km (0.083 R)
• M15: 13,365,523 km (0.056 R)
• M16: 14,060,105 km (0.11 R)
• M17: 17,312,513 km (0.099 R)
• M18: 19,051,438 km (0.034 R)
• M19: 21,435,580 km (0.035 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.2

Radius: 3.4

Gravity: 63.77 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 18.22 AU - 19.12 AU

Year: 28353 Days

Day: 19.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 98,399,964 km

• M1: 42,486 km (0.104 R)
• M2: 184,155 km (0.109 R)
• M3: 348,413 km (0.115 R)
• M4: 716,873 km (0.119 R)
• M5: 953,238 km (0.113 R)
• M6: 3,577,035 km (0.095 R)
• M7: 5,396,893 km (0.057 R)
• M8: 5,921,832 km (0.099 R)
• M9: 6,722,480 km (0.085 R)
• M10: 9,931,653 km (0.084 R)
• M11: 12,044,274 km (0.064 R)
• M12: 12,634,438 km (0.118 R)
• M13: 12,860,630 km (0.047 R)
• M14: 13,634,200 km (0.103 R)
• M15: 14,602,697 km (0.116 R)
• M16: 15,273,344 km (0.051 R)
• M17: 15,616,223 km (0.026 R)
• M18: 16,675,824 km (0.106 R)
• M19: 19,332,533 km (0.112 R)
• M20: 19,834,733 km (0.101 R)
• M21: 21,500,655 km (0.067 R)
• M22: 29,757,260 km (0.106 R)
• M23: 30,697,034 km (0.084 R)
• M24: 32,494,303 km (0.116 R)
• M25: 33,490,625 km (0.098 R)
• M26: 38,778,760 km (0.062 R)
• M27: 40,385,890 km (0.086 R)
• M28: 40,876,571 km (0.098 R)
• M29: 42,372,400 km (0.098 R)
• M30: 42,878,938 km (0.083 R)
• M31: 46,003,739 km (0.066 R)
• M32: 50,212,824 km (0.107 R)
• M33: 52,120,197 km (0.065 R)
• M34: 55,071,015 km (0.117 R)
• M35: 67,070,261 km (0.079 R)
• M36: 76,882,235 km (0.113 R)
• M37: 82,259,232 km (0.102 R)
• M38: 84,638,287 km (0.087 R)
• M39: 85,441,477 km (0.064 R)
• M40: 88,429,695 km (0.103 R)
• M41: 89,810,633 km (0.094 R)

Kuiper Belt

Range: 31.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 14,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit