🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.8

Radius: 12.4

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.48 AU - 0.56 AU

Year: 264 Days

Day: 6.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 59,059,531 km

• M1: 154,535 km (0.063 R)
• M2: 636,389 km (0.095 R)
• M3: 1,313,918 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.9

Radius: 8.4

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.8 AU - 0.96 AU

Year: 580 Days

Day: 6.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,059,531 km

• M1: 104,419 km (0.074 R)
• M2: 388,057 km (0.054 R)
• M3: 939,026 km (0.068 R)
• M4: 1,267,543 km (0.108 R)
• M5: 1,542,354 km (0.116 R)
• M6: 2,170,815 km (0.084 R)
• M7: 2,640,103 km (0.115 R)
• M8: 3,222,338 km (0.109 R)
• M9: 3,874,136 km (0.118 R)
• M10: 4,245,887 km (0.088 R)
• M11: 4,596,095 km (0.099 R)
• M12: 5,421,427 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.7

Radius: 9.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.31 AU - 1.63 AU

Year: 1253 Days

Day: 8 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,059,531 km

• M1: 117,135 km (0.077 R)
• M2: 434,432 km (0.076 R)
• M3: 1,195,137 km (0.077 R)
• M4: 1,506,750 km (0.076 R)
• M5: 3,237,298 km (0.114 R)
• M6: 3,630,441 km (0.071 R)
• M7: 4,772,322 km (0.108 R)
• M8: 5,729,598 km (0.116 R)
• M9: 6,832,135 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.6

Radius: 12

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.73 AU - 2.23 AU

Year: 1958 Days

Day: 14.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,059,531 km

• M1: 149,299 km (0.116 R)
• M2: 553,213 km (0.104 R)
• M3: 1,039,705 km (0.034 R)
• M4: 1,444,367 km (0.119 R)
• M5: 2,036,027 km (0.048 R)
• M6: 2,900,104 km (0.054 R)
• M7: 3,572,248 km (0.084 R)
• M8: 3,962,100 km (0.101 R)
• M9: 4,345,818 km (0.055 R)
• M10: 5,326,432 km (0.108 R)
• M11: 5,879,944 km (0.116 R)
• M12: 6,516,932 km (0.112 R)
• M13: 7,697,558 km (0.055 R)
• M14: 8,818,794 km (0.087 R)
• M15: 10,045,796 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.1

Radius: 8.6

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.65 AU - 2.69 AU

Year: 2247 Days

Day: 10.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,059,531 km

• M1: 107,411 km (0.085 R)
• M2: 384,167 km (0.058 R)
• M3: 813,812 km (0.05 R)
• M4: 3,094,282 km (0.111 R)
• M5: 3,546,666 km (0.11 R)
• M6: 5,060,298 km (0.119 R)
• M7: 8,417,274 km (0.093 R)
• M8: 10,207,063 km (0.094 R)
• M9: 11,019,678 km (0.093 R)
• M10: 11,755,550 km (0.078 R)
• M11: 13,110,907 km (0.071 R)
• M12: 13,672,497 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.9

Radius: 11.8

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.69 AU - 3.07 AU

Year: 3436 Days

Day: 14.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,059,531 km

• M1: 147,354 km (0.109 R)
• M2: 1,148,762 km (0.059 R)
• M3: 1,526,347 km (0.114 R)
• M4: 2,330,735 km (0.119 R)
• M5: 2,712,658 km (0.068 R)
• M6: 3,188,080 km (0.096 R)
• M7: 3,619,371 km (0.089 R)
• M8: 4,923,864 km (0.102 R)
• M9: 7,017,636 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.6

Radius: 11.2

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.76 AU - 3.26 AU

Year: 3671 Days

Day: 8.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,059,531 km

• M1: 140,323 km (0.095 R)
• M2: 500,106 km (0.067 R)
• M3: 860,337 km (0.102 R)
• M4: 1,223,711 km (0.115 R)
• M5: 1,756,578 km (0.092 R)
• M6: 2,747,963 km (0.102 R)
• M7: 3,815,194 km (0.047 R)
• M8: 5,524,799 km (0.096 R)
• M9: 7,113,229 km (0.055 R)
• M10: 8,421,014 km (0.106 R)
• M11: 8,986,643 km (0.116 R)
• M12: 11,002,325 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.9

Radius: 12.9

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.6 AU - 5.84 AU

Year: 7208 Days

Day: 11.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,059,531 km

• M1: 160,668 km (0.108 R)
• M2: 577,747 km (0.107 R)
• M3: 998,566 km (0.1 R)
• M4: 1,608,776 km (0.076 R)
• M5: 2,081,654 km (0.074 R)
• M6: 2,497,088 km (0.089 R)
• M7: 3,138,414 km (0.054 R)
• M8: 3,837,485 km (0.098 R)
• M9: 6,148,024 km (0.097 R)
• M10: 6,572,134 km (0.077 R)
• M11: 7,168,281 km (0.097 R)
• M12: 10,017,373 km (0.094 R)
• M13: 11,747,322 km (0.106 R)
• M14: 12,292,008 km (0.069 R)
• M15: 12,967,891 km (0.066 R)
• M16: 15,081,709 km (0.036 R)
• M17: 16,522,636 km (0.107 R)
• M18: 17,626,968 km (0.062 R)
• M19: 18,779,769 km (0.118 R)
• M20: 20,290,857 km (0.107 R)
• M21: 22,044,892 km (0.045 R)
• M22: 23,468,166 km (0.064 R)
• M23: 25,399,774 km (0.097 R)
• M24: 25,944,460 km (0.111 R)
• M25: 29,378,030 km (0.069 R)
• M26: 30,997,128 km (0.09 R)
• M27: 32,144,244 km (0.093 R)
• M28: 36,555,137 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.6

Radius: 6.5

Gravity: 16.58 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.94 AU - 7.42 AU

Year: 13524 Days

Day: 16.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,059,531 km

• M1: 80,783 km (0.099 R)
• M2: 691,890 km (0.036 R)
• M3: 1,787,395 km (0.107 R)
• M4: 2,013,438 km (0.098 R)
• M5: 2,398,951 km (0.107 R)
• M6: 2,653,118 km (0.054 R)
• M7: 4,145,656 km (0.088 R)
• M8: 6,361,799 km (0.118 R)
• M9: 7,190,870 km (0.1 R)
• M10: 7,996,754 km (0.061 R)
• M11: 8,469,783 km (0.117 R)
• M12: 8,713,178 km (0.092 R)
• M13: 9,213,882 km (0.11 R)
• M14: 9,680,927 km (0.094 R)
• M15: 12,132,387 km (0.103 R)
• M16: 15,111,031 km (0.098 R)
• M17: 16,503,188 km (0.113 R)
• M18: 17,661,076 km (0.053 R)
• M19: 19,624,847 km (0.114 R)
• M20: 20,223,987 km (0.052 R)
• M21: 21,012,068 km (0.112 R)
• M22: 25,062,131 km (0.12 R)
• M23: 26,693,047 km (0.107 R)
• M24: 27,322,555 km (0.047 R)
• M25: 31,077,611 km (0.064 R)
• M26: 35,037,766 km (0.091 R)
• M27: 35,413,556 km (0.073 R)
• M28: 46,608,413 km (0.095 R)
• M29: 48,755,592 km (0.059 R)
• M30: 52,588,289 km (0.117 R)
• M31: 53,742,736 km (0.105 R)
• M32: 56,789,147 km (0.1 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 11,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit