🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.2

Radius: 12.5

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.58 AU - 0.7 AU

Year: 347 Days

Day: 13.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,538,458 km

• M1: 155,432 km (0.096 R)
• M2: 546,930 km (0.112 R)
• M3: 954,883 km (0.107 R)
• M4: 1,544,897 km (0.099 R)
• M5: 2,020,768 km (0.074 R)
• M6: 2,434,556 km (0.073 R)
• M7: 3,086,503 km (0.085 R)
• M8: 3,993,964 km (0.12 R)
• M9: 4,741,205 km (0.118 R)
• M10: 5,612,463 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.2

Radius: 10

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.71 AU - 0.79 AU

Year: 441 Days

Day: 11.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,538,458 km

• M1: 125,064 km (0.12 R)
• M2: 488,736 km (0.057 R)
• M3: 950,545 km (0.098 R)
• M4: 1,314,068 km (0.113 R)
• M5: 1,694,794 km (0.106 R)
• M6: 2,038,121 km (0.116 R)
• M7: 2,877,665 km (0.093 R)
• M8: 3,644,354 km (0.096 R)
• M9: 4,791,171 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.7

Radius: 13.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.92 AU - 1.46 AU

Year: 880 Days

Day: 13 Hours

Environment

Temp: -188 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,538,458 km

• M1: 169,046 km (0.095 R)
• M2: 612,154 km (0.076 R)
• M3: 1,061,546 km (0.049 R)
• M4: 1,498,821 km (0.09 R)
• M5: 2,931,071 km (0.108 R)
• M6: 3,492,063 km (0.112 R)
• M7: 4,476,417 km (0.067 R)
• M8: 6,450,660 km (0.1 R)
• M9: 7,384,151 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.6

Radius: 8.5

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.99 AU - 1.43 AU

Year: 903 Days

Day: 14.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 108.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,538,458 km

• M1: 105,915 km (0.119 R)
• M2: 430,842 km (0.062 R)
• M3: 887,265 km (0.115 R)
• M4: 1,314,367 km (0.075 R)
• M5: 1,608,626 km (0.077 R)
• M6: 2,125,187 km (0.113 R)
• M7: 2,554,683 km (0.103 R)
• M8: 2,908,482 km (0.047 R)
• M9: 3,247,620 km (0.047 R)
• M10: 3,845,413 km (0.068 R)
• M11: 4,939,572 km (0.109 R)
• M12: 5,729,898 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.5

Radius: 9.4

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.93 AU - 2.55 AU

Year: 2274 Days

Day: 8.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,538,458 km

• M1: 117,285 km (0.099 R)
• M2: 458,517 km (0.089 R)
• M3: 765,044 km (0.11 R)
• M4: 1,737,729 km (0.032 R)
• M5: 2,350,482 km (0.11 R)
• M6: 3,436,263 km (0.079 R)
• M7: 4,739,410 km (0.082 R)
• M8: 5,466,905 km (0.102 R)
• M9: 7,200,295 km (0.111 R)
• M10: 7,943,797 km (0.082 R)
• M11: 8,770,325 km (0.111 R)
• M12: 9,204,607 km (0.074 R)
• M13: 10,482,472 km (0.12 R)
• M14: 11,437,056 km (0.075 R)
• M15: 12,954,428 km (0.097 R)
• M16: 15,645,245 km (0.109 R)
• M17: 16,434,523 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.3

Radius: 15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.87 AU - 3.53 AU

Year: 3883 Days

Day: 11.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,538,458 km

• M1: 186,549 km (0.079 R)
• M2: 799,451 km (0.057 R)
• M3: 3,060,922 km (0.057 R)
• M4: 5,366,524 km (0.092 R)
• M5: 5,900,290 km (0.058 R)
• M6: 8,337,837 km (0.109 R)
• M7: 9,675,242 km (0.067 R)
• M8: 10,175,797 km (0.059 R)
• M9: 11,702,293 km (0.102 R)
• M10: 17,563,388 km (0.11 R)
• M11: 18,041,204 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.5

Radius: 8.7

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.5 AU - 3.62 AU

Year: 4556 Days

Day: 14.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 113.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 22,538,458 km

• M1: 108,159 km (0.086 R)
• M2: 682,166 km (0.112 R)
• M3: 1,013,974 km (0.111 R)
• M4: 1,796,820 km (0.112 R)
• M5: 2,665,984 km (0.045 R)
• M6: 3,204,386 km (0.034 R)
• M7: 4,134,287 km (0.053 R)
• M8: 5,042,795 km (0.059 R)
• M9: 5,317,456 km (0.1 R)
• M10: 5,631,013 km (0.058 R)
• M11: 6,109,278 km (0.054 R)
• M12: 8,799,347 km (0.105 R)
• M13: 9,077,599 km (0.101 R)
• M14: 10,206,165 km (0.067 R)
• M15: 10,691,909 km (0.106 R)
• M16: 11,901,259 km (0.078 R)
• M17: 12,290,961 km (0.1 R)
• M18: 13,044,934 km (0.052 R)
• M19: 13,989,794 km (0.084 R)
• M20: 14,979,684 km (0.06 R)
• M21: 16,611,348 km (0.091 R)
• M22: 17,037,103 km (0.116 R)
• M23: 17,407,807 km (0.111 R)
• M24: 18,101,342 km (0.12 R)
• M25: 20,779,443 km (0.069 R)
• M26: 22,655,401 km (0.05 R)
• M27: 27,410,219 km (0.042 R)
• M28: 29,573,704 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.9

Radius: 10.9

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.71 AU - 4.17 AU

Year: 5304 Days

Day: 7.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,538,458 km

• M1: 224,696 km (0.034 R)
• M2: 673,190 km (0.076 R)
• M3: 1,168,060 km (0.114 R)
• M4: 5,282,151 km (0.109 R)
• M5: 7,007,463 km (0.057 R)
• M6: 9,570,524 km (0.101 R)
• M7: 11,577,529 km (0.095 R)
• M8: 13,557,307 km (0.098 R)
• M9: 14,147,919 km (0.108 R)
• M10: 20,134,078 km (0.118 R)
• M11: 21,959,023 km (0.036 R)
• M12: 23,398,154 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.1

Radius: 9.1

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.58 AU - 6.58 AU

Year: 8940 Days

Day: 14 Hours

Environment

Temp: -218 °C

Axial Tilt: 163.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,538,458 km

• M1: 116,387 km (0.092 R)
• M2: 455,226 km (0.12 R)
• M3: 1,042,099 km (0.112 R)
• M4: 1,971,850 km (0.048 R)
• M5: 2,933,165 km (0.106 R)
• M6: 3,946,841 km (0.045 R)
• M7: 4,465,945 km (0.076 R)
• M8: 5,882,338 km (0.059 R)
• M9: 11,253,949 km (0.071 R)
• M10: 12,297,693 km (0.05 R)
• M11: 12,705,347 km (0.108 R)
• M12: 15,084,851 km (0.062 R)
• M13: 15,499,835 km (0.099 R)
• M14: 16,845,618 km (0.034 R)
• M15: 18,502,414 km (0.069 R)
• M16: 22,070,772 km (0.051 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 12,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit