🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.9

Radius: 12.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.34 AU - 1.9 AU

Year: 1311 Days

Day: 12.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,010,950 km

• M1: 160,967 km (0.075 R)
• M2: 583,581 km (0.106 R)
• M3: 1,082,191 km (0.058 R)
• M4: 1,600,398 km (0.098 R)
• M5: 2,461,334 km (0.087 R)
• M6: 3,304,318 km (0.061 R)
• M7: 3,731,868 km (0.069 R)
• M8: 4,556,901 km (0.101 R)
• M9: 5,723,914 km (0.1 R)
• M10: 6,636,910 km (0.104 R)
• M11: 7,297,983 km (0.047 R)
• M12: 8,614,743 km (0.109 R)
• M13: 9,087,173 km (0.089 R)
• M14: 9,665,070 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.4

Radius: 10.3

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.99 AU - 2.95 AU

Year: 2468 Days

Day: 14.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 60.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,010,950 km

• M1: 128,205 km (0.066 R)
• M2: 529,726 km (0.092 R)
• M3: 954,285 km (0.078 R)
• M4: 1,503,459 km (0.107 R)
• M5: 2,073,875 km (0.093 R)
• M6: 2,501,875 km (0.097 R)
• M7: 3,592,294 km (0.087 R)
• M8: 4,485,842 km (0.098 R)
• M9: 5,925,721 km (0.044 R)
• M10: 6,486,414 km (0.09 R)
• M11: 6,879,707 km (0.086 R)
• M12: 8,383,016 km (0.116 R)
• M13: 8,850,060 km (0.111 R)
• M14: 10,243,714 km (0.047 R)
• M15: 11,091,635 km (0.093 R)
• M16: 11,985,632 km (0.109 R)
• M17: 13,147,558 km (0.119 R)
• M18: 14,102,142 km (0.092 R)
• M19: 14,908,026 km (0.116 R)
• M20: 15,347,096 km (0.093 R)
• M21: 15,895,223 km (0.084 R)
• M22: 16,663,856 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.8

Radius: 11.6

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.12 AU - 3.28 AU

Year: 2821 Days

Day: 8.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,010,950 km

• M1: 212,728 km (0.059 R)
• M2: 639,082 km (0.057 R)
• M3: 1,083,687 km (0.077 R)
• M4: 1,840,652 km (0.108 R)
• M5: 2,299,918 km (0.07 R)
• M6: 3,042,222 km (0.109 R)
• M7: 3,759,544 km (0.116 R)
• M8: 4,937,179 km (0.069 R)
• M9: 5,692,797 km (0.107 R)
• M10: 6,196,793 km (0.076 R)
• M11: 6,756,737 km (0.113 R)
• M12: 8,036,996 km (0.115 R)
• M13: 8,734,720 km (0.113 R)
• M14: 9,638,292 km (0.114 R)
• M15: 10,009,893 km (0.047 R)
• M16: 11,898,267 km (0.089 R)
• M17: 12,524,334 km (0.069 R)
• M18: 13,379,286 km (0.065 R)
• M19: 14,229,151 km (0.091 R)
• M20: 14,667,473 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.9

Radius: 7.8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.12 AU - 11.58 AU

Year: 18178 Days

Day: 20.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,010,950 km

• M1: 97,388 km (0.065 R)
• M2: 409,150 km (0.082 R)
• M3: 715,078 km (0.107 R)
• M4: 1,034,768 km (0.107 R)
• M5: 1,338,751 km (0.079 R)
• M6: 1,833,023 km (0.103 R)
• M7: 2,190,711 km (0.057 R)
• M8: 2,989,863 km (0.095 R)
• M9: 3,947,439 km (0.03 R)
• M10: 4,348,661 km (0.118 R)
• M11: 6,325,896 km (0.073 R)
• M12: 7,742,887 km (0.116 R)
• M13: 14,528,945 km (0.12 R)
• M14: 15,200,041 km (0.063 R)
• M15: 26,064,437 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.1

Radius: 5.5

Gravity: 24.43 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 8.45 AU - 13.77 AU

Year: 23545 Days

Day: 17.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,010,950 km

• M1: 112,946 km (0.108 R)
• M2: 301,889 km (0.054 R)
• M3: 510,727 km (0.088 R)
• M4: 1,394,551 km (0.112 R)
• M5: 2,018,225 km (0.064 R)
• M6: 2,998,241 km (0.079 R)
• M7: 4,057,543 km (0.106 R)
• M8: 5,591,071 km (0.055 R)
• M9: 7,324,013 km (0.114 R)
• M10: 8,753,719 km (0.104 R)
• M11: 9,683,620 km (0.113 R)
• M12: 11,001,577 km (0.025 R)
• M13: 13,758,666 km (0.064 R)
• M14: 14,376,206 km (0.112 R)
• M15: 19,705,780 km (0.105 R)
• M16: 22,329,876 km (0.073 R)
• M17: 23,944,934 km (0.066 R)
• M18: 25,751,927 km (0.117 R)
• M19: 29,381,321 km (0.079 R)
• M20: 31,715,048 km (0.076 R)
• M21: 33,200,255 km (0.032 R)
• M22: 37,933,532 km (0.111 R)
• M23: 41,168,736 km (0.119 R)
• M24: 46,102,324 km (0.106 R)
• M25: 49,243,879 km (0.1 R)
• M26: 54,792,015 km (0.08 R)
• M27: 58,113,686 km (0.071 R)
• M28: 61,360,259 km (0.101 R)
• M29: 68,879,348 km (0.106 R)
• M30: 70,001,182 km (0.063 R)
• M31: 71,821,489 km (0.108 R)
• M32: 77,230,200 km (0.108 R)
• M33: 77,712,952 km (0.109 R)
• M34: 79,173,327 km (0.11 R)
• M35: 80,651,952 km (0.049 R)
• M36: 80,900,135 km (0.075 R)
• M37: 83,410,238 km (0.082 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 12,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit