🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.3

Radius: 13.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.6 AU - 0.78 AU

Year: 396 Days

Day: 10 Hours

Environment

Temp: -158 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,395,437 km

• M1: 170,392 km (0.095 R)
• M2: 598,092 km (0.114 R)
• M3: 1,050,925 km (0.084 R)
• M4: 1,527,394 km (0.086 R)
• M5: 2,031,988 km (0.054 R)
• M6: 3,179,553 km (0.114 R)
• M7: 3,842,721 km (0.078 R)
• M8: 4,312,907 km (0.08 R)
• M9: 4,893,346 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.5

Radius: 9

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.74 AU - 1.04 AU

Year: 580 Days

Day: 9.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,395,437 km

• M1: 111,899 km (0.062 R)
• M2: 418,575 km (0.091 R)
• M3: 791,373 km (0.026 R)
• M4: 1,679,236 km (0.064 R)
• M5: 2,451,311 km (0.108 R)
• M6: 2,876,019 km (0.107 R)
• M7: 3,697,162 km (0.059 R)
• M8: 4,695,728 km (0.049 R)
• M9: 5,482,164 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.2

Radius: 13.2

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.75 AU - 1.03 AU

Year: 580 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,395,437 km

• M1: 165,306 km (0.1 R)
• M2: 626,516 km (0.069 R)
• M3: 1,152,203 km (0.081 R)
• M4: 2,346,592 km (0.071 R)
• M5: 3,674,872 km (0.093 R)
• M6: 4,540,146 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.4

Radius: 10.1

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.87 AU - 2.51 AU

Year: 2237 Days

Day: 8.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,395,437 km

• M1: 125,662 km (0.102 R)
• M2: 446,250 km (0.073 R)
• M3: 822,489 km (0.111 R)
• M4: 1,464,414 km (0.108 R)
• M5: 1,826,889 km (0.109 R)
• M6: 2,330,585 km (0.109 R)
• M7: 2,721,335 km (0.092 R)
• M8: 3,543,824 km (0.109 R)
• M9: 3,923,952 km (0.108 R)
• M10: 5,018,709 km (0.092 R)
• M11: 6,415,355 km (0.073 R)
• M12: 6,953,309 km (0.113 R)
• M13: 9,094,204 km (0.099 R)
• M14: 10,371,770 km (0.108 R)
• M15: 11,274,294 km (0.106 R)
• M16: 13,056,005 km (0.025 R)
• M17: 14,014,029 km (0.115 R)
• M18: 14,391,166 km (0.107 R)
• M19: 16,172,278 km (0.108 R)
• M20: 18,207,108 km (0.096 R)
• M21: 19,460,289 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.2

Radius: 14.3

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.49 AU - 3.87 AU

Year: 3914 Days

Day: 10.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,395,437 km

• M1: 178,171 km (0.109 R)
• M2: 802,293 km (0.12 R)
• M3: 1,684,622 km (0.108 R)
• M4: 2,329,688 km (0.092 R)
• M5: 3,120,911 km (0.07 R)
• M6: 3,737,703 km (0.101 R)
• M7: 5,063,439 km (0.117 R)
• M8: 5,514,926 km (0.109 R)
• M9: 6,816,876 km (0.12 R)
• M10: 7,802,726 km (0.116 R)
• M11: 8,407,550 km (0.108 R)
• M12: 9,043,640 km (0.041 R)
• M13: 9,609,419 km (0.044 R)
• M14: 11,719,796 km (0.076 R)
• M15: 13,134,095 km (0.068 R)
• M16: 13,644,373 km (0.063 R)
• M17: 14,300,808 km (0.119 R)
• M18: 16,203,095 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.9

Radius: 9.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.6 AU - 4.24 AU

Year: 5357 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,395,437 km

• M1: 114,442 km (0.085 R)
• M2: 538,104 km (0.09 R)
• M3: 862,282 km (0.118 R)
• M4: 1,224,159 km (0.058 R)
• M5: 1,663,678 km (0.039 R)
• M6: 1,973,495 km (0.092 R)
• M7: 2,292,887 km (0.116 R)
• M8: 3,036,986 km (0.114 R)
• M9: 3,484,882 km (0.091 R)
• M10: 3,976,311 km (0.057 R)
• M11: 4,466,992 km (0.114 R)
• M12: 5,488,746 km (0.082 R)
• M13: 6,097,759 km (0.061 R)
• M14: 7,682,449 km (0.12 R)
• M15: 8,552,211 km (0.098 R)
• M16: 11,423,742 km (0.106 R)
• M17: 12,885,313 km (0.095 R)
• M18: 14,010,140 km (0.07 R)
• M19: 14,778,026 km (0.08 R)
• M20: 15,900,159 km (0.115 R)
• M21: 17,894,897 km (0.091 R)
• M22: 18,798,768 km (0.096 R)
• M23: 20,697,464 km (0.114 R)
• M24: 21,964,259 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.1

Radius: 14.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.55 AU - 5.89 AU

Year: 7078 Days

Day: 14.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,395,437 km

• M1: 182,061 km (0.109 R)
• M2: 993,779 km (0.115 R)
• M3: 1,803,552 km (0.095 R)
• M4: 2,629,482 km (0.104 R)
• M5: 3,417,115 km (0.104 R)
• M6: 3,967,186 km (0.111 R)
• M7: 4,548,673 km (0.105 R)
• M8: 5,752,936 km (0.107 R)
• M9: 6,395,309 km (0.1 R)
• M10: 10,112,367 km (0.1 R)
• M11: 11,306,906 km (0.112 R)
• M12: 12,317,589 km (0.099 R)
• M13: 14,095,261 km (0.113 R)
• M14: 15,393,023 km (0.062 R)
• M15: 16,904,410 km (0.094 R)
• M16: 18,154,599 km (0.116 R)
• M17: 18,657,098 km (0.067 R)
• M18: 19,169,022 km (0.044 R)
• M19: 19,765,319 km (0.113 R)
• M20: 20,683,252 km (0.062 R)
• M21: 30,165,812 km (0.107 R)
• M22: 30,770,188 km (0.109 R)
• M23: 32,316,431 km (0.072 R)
• M24: 35,675,502 km (0.099 R)
• M25: 36,578,923 km (0.083 R)
• M26: 37,036,244 km (0.089 R)
• M27: 41,325,813 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.6

Radius: 13.4

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.85 AU - 6.33 AU

Year: 7927 Days

Day: 6.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 138 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,395,437 km

• M1: 176,525 km (0.107 R)
• M2: 688,300 km (0.072 R)
• M3: 1,263,204 km (0.084 R)
• M4: 1,682,378 km (0.105 R)
• M5: 2,782,520 km (0.047 R)
• M6: 3,550,107 km (0.078 R)
• M7: 6,327,541 km (0.064 R)
• M8: 7,657,167 km (0.041 R)
• M9: 8,642,269 km (0.042 R)
• M10: 9,435,138 km (0.076 R)
• M11: 12,199,706 km (0.104 R)
• M12: 14,147,620 km (0.054 R)
• M13: 14,928,970 km (0.111 R)
• M14: 16,015,350 km (0.118 R)
• M15: 16,520,990 km (0.117 R)
• M16: 16,979,508 km (0.119 R)
• M17: 17,623,826 km (0.081 R)
• M18: 18,837,214 km (0.079 R)
• M19: 19,591,487 km (0.073 R)
• M20: 21,160,469 km (0.099 R)
• M21: 21,906,963 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.5

Radius: 5.6

Gravity: 16.31 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.48 AU - 6.72 AU

Year: 9147 Days

Day: 22.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,395,437 km

• M1: 74,799 km (0.099 R)
• M2: 600,486 km (0.037 R)
• M3: 1,264,850 km (0.111 R)
• M4: 3,367,747 km (0.065 R)
• M5: 4,129,948 km (0.093 R)
• M6: 6,057,068 km (0.107 R)
• M7: 6,801,766 km (0.101 R)
• M8: 7,331,044 km (0.057 R)
• M9: 9,819,155 km (0.104 R)
• M10: 15,658,858 km (0.111 R)
• M11: 16,180,506 km (0.076 R)
• M12: 16,445,743 km (0.079 R)
• M13: 17,466,150 km (0.109 R)
• M14: 18,312,275 km (0.084 R)
• M15: 18,891,369 km (0.05 R)
• M16: 21,093,150 km (0.1 R)
• M17: 24,576,686 km (0.076 R)
• M18: 28,811,503 km (0.109 R)
• M19: 29,594,348 km (0.118 R)
• M20: 32,132,426 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.1

Radius: 3.4

Gravity: 23.71 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.97 AU - 7.95 AU

Year: 11333 Days

Day: 18.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 38,395,437 km

• M1: 44,281 km (0.077 R)
• M2: 340,036 km (0.113 R)
• M3: 678,277 km (0.086 R)
• M4: 1,162,824 km (0.117 R)
• M5: 1,969,306 km (0.107 R)
• M6: 2,248,007 km (0.035 R)
• M7: 3,199,300 km (0.108 R)
• M8: 3,309,404 km (0.117 R)
• M9: 3,775,401 km (0.069 R)
• M10: 6,923,090 km (0.119 R)
• M11: 7,070,444 km (0.118 R)
• M12: 7,295,589 km (0.046 R)
• M13: 7,642,207 km (0.115 R)
• M14: 8,121,220 km (0.112 R)
• M15: 8,963,605 km (0.062 R)
• M16: 10,770,598 km (0.083 R)
• M17: 14,061,302 km (0.105 R)
• M18: 16,417,469 km (0.06 R)
• M19: 17,620,086 km (0.026 R)
• M20: 17,826,082 km (0.052 R)
• M21: 18,524,256 km (0.112 R)
• M22: 19,679,151 km (0.116 R)
• M23: 20,199,153 km (0.034 R)
• M24: 23,846,200 km (0.034 R)
• M25: 24,522,233 km (0.119 R)
• M26: 26,807,639 km (0.087 R)
• M27: 30,396,941 km (0.061 R)
• M28: 32,306,259 km (0.112 R)
• M29: 35,481,025 km (0.088 R)
• M30: 37,709,285 km (0.103 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 16,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit