🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.1

Radius: 9

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.66 AU - 0.88 AU

Year: 436 Days

Day: 7.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,155,410 km

• M1: 112,049 km (0.119 R)
• M2: 420,071 km (0.115 R)
• M3: 720,314 km (0.094 R)
• M4: 1,025,045 km (0.069 R)
• M5: 1,313,619 km (0.119 R)
• M6: 1,685,519 km (0.055 R)
• M7: 2,203,726 km (0.054 R)
• M8: 2,693,958 km (0.085 R)
• M9: 3,024,121 km (0.108 R)
• M10: 3,323,616 km (0.068 R)
• M11: 4,755,866 km (0.059 R)
• M12: 5,271,979 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.3

Radius: 8.9

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.83 AU - 0.89 AU

Year: 515 Days

Day: 6 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,155,410 km

• M1: 110,852 km (0.107 R)
• M2: 405,111 km (0.098 R)
• M3: 717,920 km (0.043 R)
• M4: 1,304,344 km (0.092 R)
• M5: 1,728,903 km (0.113 R)
• M6: 2,112,771 km (0.111 R)
• M7: 2,753,648 km (0.117 R)
• M8: 3,120,013 km (0.047 R)
• M9: 3,781,685 km (0.07 R)
• M10: 4,098,383 km (0.045 R)
• M11: 4,755,417 km (0.088 R)
• M12: 5,062,242 km (0.092 R)
• M13: 5,563,994 km (0.076 R)
• M14: 5,870,370 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.2

Radius: 12

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.43 AU - 2.37 AU

Year: 1691 Days

Day: 11.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,155,410 km

• M1: 149,299 km (0.061 R)
• M2: 545,284 km (0.12 R)
• M3: 997,070 km (0.093 R)
• M4: 1,993,092 km (0.095 R)
• M5: 2,913,419 km (0.099 R)
• M6: 4,347,613 km (0.117 R)
• M7: 5,558,608 km (0.119 R)
• M8: 6,161,637 km (0.114 R)
• M9: 7,658,663 km (0.116 R)
• M10: 8,434,926 km (0.113 R)
• M11: 9,633,953 km (0.118 R)
• M12: 10,773,590 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.1

Radius: 12.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.27 AU - 3.69 AU

Year: 3322 Days

Day: 8.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,155,410 km

• M1: 160,668 km (0.116 R)
• M2: 597,643 km (0.091 R)
• M3: 1,084,136 km (0.068 R)
• M4: 2,031,838 km (0.061 R)
• M5: 2,471,357 km (0.109 R)
• M6: 4,108,706 km (0.077 R)
• M7: 5,122,829 km (0.092 R)
• M8: 6,001,119 km (0.114 R)
• M9: 7,154,817 km (0.108 R)
• M10: 8,285,328 km (0.091 R)
• M11: 9,387,266 km (0.088 R)
• M12: 10,780,322 km (0.076 R)
• M13: 11,342,062 km (0.074 R)
• M14: 11,755,101 km (0.038 R)
• M15: 12,920,918 km (0.117 R)
• M16: 13,786,491 km (0.068 R)
• M17: 14,257,425 km (0.118 R)
• M18: 15,431,619 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.9

Radius: 9.6

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.37 AU - 3.65 AU

Year: 4246 Days

Day: 9.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,155,410 km

• M1: 120,277 km (0.109 R)
• M2: 601,383 km (0.115 R)
• M3: 1,363,435 km (0.078 R)
• M4: 1,833,322 km (0.082 R)
• M5: 2,175,153 km (0.038 R)
• M6: 3,052,395 km (0.114 R)
• M7: 3,589,601 km (0.075 R)
• M8: 3,956,415 km (0.056 R)
• M9: 4,429,892 km (0.07 R)
• M10: 5,978,978 km (0.039 R)
• M11: 8,707,494 km (0.091 R)
• M12: 9,929,409 km (0.053 R)
• M13: 10,470,953 km (0.063 R)
• M14: 12,052,053 km (0.105 R)
• M15: 13,919,483 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.3

Radius: 6.4

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.31 AU - 7.85 AU

Year: 12164 Days

Day: 17.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,155,410 km

• M1: 80,783 km (0.1 R)
• M2: 338,390 km (0.098 R)
• M3: 548,426 km (0.061 R)
• M4: 813,962 km (0.113 R)
• M5: 1,330,972 km (0.12 R)
• M6: 2,220,481 km (0.117 R)
• M7: 2,499,332 km (0.083 R)
• M8: 2,759,931 km (0.111 R)
• M9: 4,430,491 km (0.083 R)
• M10: 4,723,104 km (0.098 R)
• M11: 6,274,583 km (0.068 R)
• M12: 7,106,198 km (0.056 R)
• M13: 7,839,676 km (0.084 R)
• M14: 8,488,333 km (0.086 R)
• M15: 10,753,245 km (0.083 R)
• M16: 12,449,984 km (0.103 R)
• M17: 16,642,165 km (0.116 R)
• M18: 19,283,614 km (0.099 R)
• M19: 19,906,390 km (0.103 R)
• M20: 23,310,340 km (0.057 R)
• M21: 23,661,746 km (0.073 R)
• M22: 26,222,263 km (0.065 R)
• M23: 27,962,385 km (0.093 R)
• M24: 30,925,620 km (0.051 R)
• M25: 33,531,016 km (0.115 R)
• M26: 39,050,131 km (0.113 R)
• M27: 40,046,153 km (0.053 R)
• M28: 44,065,998 km (0.115 R)
• M29: 45,145,346 km (0.048 R)
• M30: 45,828,859 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.1

Radius: 3.6

Gravity: 39.28 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.08 AU - 8.84 AU

Year: 13156 Days

Day: 22.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,155,410 km

• M1: 46,974 km (0.099 R)
• M2: 319,092 km (0.092 R)
• M3: 630,106 km (0.06 R)
• M4: 1,276,070 km (0.09 R)
• M5: 1,479,373 km (0.107 R)
• M6: 2,495,143 km (0.102 R)
• M7: 2,925,386 km (0.087 R)
• M8: 3,206,182 km (0.078 R)
• M9: 3,634,480 km (0.07 R)
• M10: 5,877,252 km (0.086 R)
• M11: 8,522,740 km (0.093 R)
• M12: 11,983,837 km (0.097 R)
• M13: 12,883,369 km (0.088 R)
• M14: 13,130,654 km (0.115 R)
• M15: 14,481,074 km (0.103 R)
• M16: 15,710,020 km (0.114 R)
• M17: 16,859,381 km (0.113 R)
• M18: 18,529,491 km (0.099 R)
• M19: 18,686,569 km (0.111 R)
• M20: 18,923,831 km (0.11 R)
• M21: 19,485,422 km (0.028 R)
• M22: 20,980,204 km (0.106 R)
• M23: 21,150,895 km (0.113 R)
• M24: 27,520,323 km (0.065 R)
• M25: 33,638,278 km (0.077 R)
• M26: 33,872,099 km (0.102 R)
• M27: 34,461,365 km (0.096 R)
• M28: 42,482,654 km (0.061 R)
• M29: 49,367,597 km (0.096 R)
• M30: 50,277,152 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399

Radius: 6.3

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.62 AU - 8.26 AU

Year: 14446 Days

Day: 17.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,155,410 km

• M1: 83,625 km (0.076 R)
• M2: 457,021 km (0.103 R)
• M3: 1,199,625 km (0.031 R)
• M4: 1,556,267 km (0.099 R)
• M5: 4,548,972 km (0.109 R)
• M6: 5,247,145 km (0.092 R)
• M7: 9,096,448 km (0.085 R)
• M8: 11,221,635 km (0.063 R)
• M9: 12,251,467 km (0.094 R)
• M10: 16,930,739 km (0.112 R)
• M11: 18,670,113 km (0.075 R)
• M12: 20,692,228 km (0.094 R)
• M13: 22,855,862 km (0.099 R)
• M14: 24,503,982 km (0.109 R)
• M15: 27,222,773 km (0.1 R)
• M16: 36,329,394 km (0.116 R)
• M17: 38,695,584 km (0.108 R)
• M18: 43,732,394 km (0.072 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 13,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit