🌌 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: 615.1

Radius: 11.7

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.48 AU - 0.56 AU

Year: 254 Days

Day: 8.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,084,707 km

• M1: 146,008 km (0.104 R)
• M2: 587,920 km (0.1 R)
• M3: 953,238 km (0.104 R)
• M4: 1,325,437 km (0.054 R)
• M5: 1,726,210 km (0.107 R)
• M6: 2,381,000 km (0.09 R)
• M7: 2,771,749 km (0.097 R)
• M8: 3,175,813 km (0.064 R)
• M9: 3,651,834 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.5

Radius: 8.4

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.81 AU - 1.13 AU

Year: 648 Days

Day: 9.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,084,707 km

• M1: 104,419 km (0.027 R)
• M2: 373,995 km (0.033 R)
• M3: 691,292 km (0.055 R)
• M4: 1,236,426 km (0.11 R)
• M5: 1,562,251 km (0.098 R)
• M6: 1,867,430 km (0.08 R)
• M7: 2,431,414 km (0.116 R)
• M8: 2,890,530 km (0.077 R)
• M9: 3,498,047 km (0.118 R)
• M10: 3,924,700 km (0.116 R)
• M11: 4,401,020 km (0.119 R)
• M12: 4,734,174 km (0.093 R)
• M13: 5,817,562 km (0.061 R)
• M14: 6,994,149 km (0.104 R)
• M15: 7,316,981 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.9

Radius: 10.1

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.92 AU - 1.04 AU

Year: 658 Days

Day: 11 Hours

Environment

Temp: -184 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 93,084,707 km

• M1: 125,662 km (0.117 R)
• M2: 459,415 km (0.092 R)
• M3: 780,003 km (0.119 R)
• M4: 1,133,054 km (0.046 R)
• M5: 1,459,327 km (0.073 R)
• M6: 2,199,089 km (0.103 R)
• M7: 2,750,357 km (0.069 R)
• M8: 3,222,488 km (0.1 R)
• M9: 3,553,099 km (0.063 R)
• M10: 5,451,346 km (0.076 R)
• M11: 6,040,612 km (0.11 R)
• M12: 6,629,579 km (0.097 R)
• M13: 7,346,003 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.2

Radius: 9.4

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.9 AU - 1.24 AU

Year: 751 Days

Day: 12.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,084,707 km

• M1: 116,836 km (0.081 R)
• M2: 430,393 km (0.065 R)
• M3: 930,648 km (0.083 R)
• M4: 1,672,355 km (0.029 R)
• M5: 2,042,460 km (0.077 R)
• M6: 2,390,574 km (0.04 R)
• M7: 2,730,610 km (0.101 R)
• M8: 3,466,781 km (0.118 R)
• M9: 3,996,208 km (0.045 R)
• M10: 4,629,905 km (0.076 R)
• M11: 5,125,073 km (0.114 R)
• M12: 5,423,521 km (0.028 R)
• M13: 5,753,534 km (0.03 R)
• M14: 6,179,738 km (0.101 R)
• M15: 6,496,886 km (0.076 R)
• M16: 6,959,143 km (0.115 R)
• M17: 8,453,476 km (0.114 R)

Asteroid Belt

Center: 1.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.7

Radius: 12.6

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.46 AU - 2.26 AU

Year: 1721 Days

Day: 14 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 93,084,707 km

• M1: 156,928 km (0.048 R)
• M2: 569,669 km (0.111 R)
• M3: 1,049,279 km (0.096 R)
• M4: 1,472,193 km (0.103 R)
• M5: 1,888,972 km (0.054 R)
• M6: 2,895,317 km (0.112 R)
• M7: 3,682,052 km (0.059 R)
• M8: 4,606,418 km (0.114 R)
• M9: 6,622,099 km (0.098 R)
• M10: 8,410,093 km (0.059 R)
• M11: 9,007,587 km (0.094 R)
• M12: 9,939,731 km (0.082 R)
• M13: 10,898,504 km (0.086 R)
• M14: 11,495,100 km (0.097 R)
• M15: 11,995,804 km (0.112 R)
• M16: 12,753,817 km (0.1 R)
• M17: 14,587,288 km (0.099 R)
• M18: 15,824,912 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.5

Radius: 10.7

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.9 AU - 2.08 AU

Year: 1904 Days

Day: 5.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 93,084,707 km

• M1: 522,396 km (0.059 R)
• M2: 873,801 km (0.105 R)
• M3: 1,290,431 km (0.085 R)
• M4: 1,938,938 km (0.051 R)
• M5: 3,516,298 km (0.052 R)
• M6: 4,801,344 km (0.075 R)
• M7: 5,561,301 km (0.089 R)
• M8: 6,059,013 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.7

Radius: 11.7

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.84 AU - 3.02 AU

Year: 2569 Days

Day: 12.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 93,084,707 km

• M1: 145,559 km (0.117 R)
• M2: 820,993 km (0.101 R)
• M3: 1,406,070 km (0.079 R)
• M4: 2,034,830 km (0.095 R)
• M5: 2,425,580 km (0.098 R)
• M6: 2,866,744 km (0.076 R)
• M7: 3,623,260 km (0.039 R)
• M8: 6,012,937 km (0.04 R)
• M9: 6,481,627 km (0.114 R)
• M10: 6,869,833 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.4

Radius: 3.8

Gravity: 32.09 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.13 AU - 6.41 AU

Year: 10649 Days

Day: 17.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 93,084,707 km

• M1: 47,273 km (0.091 R)
• M2: 192,233 km (0.103 R)
• M3: 387,458 km (0.107 R)
• M4: 740,360 km (0.111 R)
• M5: 1,391,260 km (0.084 R)
• M6: 2,196,246 km (0.088 R)
• M7: 2,687,526 km (0.096 R)
• M8: 3,090,243 km (0.117 R)
• M9: 3,630,292 km (0.102 R)
• M10: 4,041,386 km (0.099 R)
• M11: 4,397,579 km (0.106 R)
• M12: 5,078,698 km (0.069 R)
• M13: 6,572,732 km (0.06 R)
• M14: 7,339,720 km (0.088 R)
• M15: 8,207,238 km (0.089 R)
• M16: 8,867,414 km (0.084 R)
• M17: 9,373,503 km (0.115 R)
• M18: 9,514,724 km (0.082 R)
• M19: 9,849,973 km (0.056 R)
• M20: 10,645,833 km (0.09 R)
• M21: 11,111,831 km (0.085 R)
• M22: 11,429,876 km (0.078 R)
• M23: 11,808,658 km (0.095 R)
• M24: 12,195,817 km (0.105 R)
• M25: 12,879,030 km (0.079 R)
• M26: 14,383,686 km (0.063 R)
• M27: 14,697,991 km (0.092 R)
• M28: 18,835,868 km (0.119 R)
• M29: 20,292,353 km (0.096 R)
• M30: 27,346,790 km (0.085 R)
• M31: 33,955,874 km (0.05 R)
• M32: 34,178,027 km (0.042 R)
• M33: 34,401,078 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.1

Radius: 4.9

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 9.35 AU - 9.47 AU

Year: 19578 Days

Day: 18.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,084,707 km

• M1: 62,532 km (0.108 R)
• M2: 562,787 km (0.115 R)
• M3: 1,129,314 km (0.102 R)
• M4: 1,746,854 km (0.062 R)
• M5: 2,013,438 km (0.07 R)
• M6: 2,175,003 km (0.093 R)
• M7: 5,661,980 km (0.097 R)
• M8: 10,299,065 km (0.03 R)
• M9: 11,334,881 km (0.068 R)
• M10: 12,141,214 km (0.091 R)
• M11: 13,171,045 km (0.117 R)
• M12: 24,141,955 km (0.069 R)
• M13: 35,332,025 km (0.113 R)
• M14: 37,920,966 km (0.071 R)
• M15: 40,238,237 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.1

Radius: 3.4

Gravity: 86.08 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 10.07 AU - 10.55 AU

Year: 22453 Days

Day: 22.3 Hours

Environment

Temp: -246 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 93,084,707 km

• M1: 44,730 km (0.098 R)
• M2: 228,436 km (0.102 R)
• M3: 382,073 km (0.087 R)
• M4: 491,429 km (0.096 R)
• M5: 753,674 km (0.113 R)
• M6: 891,753 km (0.077 R)
• M7: 1,116,299 km (0.082 R)
• M8: 1,280,857 km (0.101 R)
• M9: 1,513,631 km (0.085 R)
• M10: 1,853,368 km (0.109 R)
• M11: 4,755,118 km (0.091 R)
• M12: 7,337,028 km (0.104 R)
• M13: 10,331,977 km (0.057 R)
• M14: 10,921,692 km (0.047 R)
• M15: 11,055,731 km (0.111 R)
• M16: 11,533,547 km (0.097 R)
• M17: 13,049,422 km (0.11 R)
• M18: 13,660,230 km (0.097 R)
• M19: 15,021,122 km (0.09 R)
• M20: 16,823,627 km (0.096 R)
• M21: 18,384,382 km (0.12 R)
• M22: 19,248,608 km (0.098 R)
• M23: 19,444,282 km (0.066 R)
• M24: 20,646,002 km (0.094 R)
• M25: 21,161,217 km (0.112 R)
• M26: 23,086,392 km (0.094 R)
• M27: 26,308,132 km (0.112 R)
• M28: 26,428,558 km (0.1 R)
• M29: 31,819,318 km (0.061 R)
• M30: 34,194,632 km (0.115 R)
• M31: 34,337,947 km (0.099 R)
• M32: 36,535,690 km (0.115 R)
• M33: 46,792,419 km (0.115 R)
• M34: 55,188,898 km (0.105 R)
• M35: 59,429,101 km (0.064 R)
• M36: 60,889,475 km (0.095 R)
• M37: 68,096,502 km (0.059 R)
• M38: 68,778,668 km (0.094 R)
• M39: 70,156,315 km (0.047 R)
• M40: 73,204,372 km (0.103 R)
• M41: 78,811,150 km (0.037 R)
• M42: 88,689,696 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 18,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit