🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.8

Radius: 12.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.68 AU - 0.82 AU

Year: 433 Days

Day: 8.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,640,179 km

• M1: 150,495 km (0.113 R)
• M2: 862,432 km (0.059 R)
• M3: 1,349,672 km (0.071 R)
• M4: 2,163,484 km (0.111 R)
• M5: 2,557,376 km (0.101 R)
• M6: 3,417,713 km (0.038 R)
• M7: 3,816,990 km (0.075 R)
• M8: 4,222,699 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.7

Radius: 9.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.36 AU - 2.16 AU

Year: 1557 Days

Day: 6 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,640,179 km

• M1: 113,694 km (0.077 R)
• M2: 489,634 km (0.119 R)
• M3: 837,898 km (0.073 R)
• M4: 1,134,251 km (0.045 R)
• M5: 1,534,874 km (0.102 R)
• M6: 1,843,644 km (0.108 R)
• M7: 3,152,326 km (0.119 R)
• M8: 5,380,587 km (0.117 R)
• M9: 5,932,154 km (0.119 R)
• M10: 6,911,272 km (0.106 R)
• M11: 7,789,561 km (0.103 R)
• M12: 8,441,957 km (0.088 R)
• M13: 8,822,983 km (0.064 R)
• M14: 9,619,442 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.7

Radius: 10.1

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2 AU - 3.18 AU

Year: 2780 Days

Day: 10 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,640,179 km

• M1: 125,662 km (0.032 R)
• M2: 449,392 km (0.12 R)
• M3: 771,925 km (0.111 R)
• M4: 1,128,118 km (0.041 R)
• M5: 1,906,475 km (0.115 R)
• M6: 2,607,341 km (0.08 R)
• M7: 3,026,365 km (0.063 R)
• M8: 3,739,648 km (0.098 R)
• M9: 4,296,301 km (0.113 R)
• M10: 4,789,974 km (0.061 R)
• M11: 5,123,577 km (0.098 R)
• M12: 7,718,801 km (0.098 R)
• M13: 8,692,085 km (0.072 R)
• M14: 10,719,286 km (0.093 R)
• M15: 11,044,512 km (0.115 R)
• M16: 11,757,196 km (0.088 R)
• M17: 12,278,694 km (0.083 R)
• M18: 12,952,034 km (0.12 R)
• M19: 13,555,362 km (0.116 R)
• M20: 13,935,790 km (0.083 R)
• M21: 16,317,238 km (0.118 R)
• M22: 17,972,090 km (0.072 R)
• M23: 20,847,959 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.3

Radius: 8.7

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.21 AU - 3.87 AU

Year: 4442 Days

Day: 6 Hours

Environment

Temp: -218 °C

Axial Tilt: 126.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,640,179 km

• M1: 112,049 km (0.041 R)
• M2: 568,173 km (0.087 R)
• M3: 1,020,856 km (0.072 R)
• M4: 1,562,999 km (0.108 R)
• M5: 2,005,509 km (0.104 R)
• M6: 2,657,905 km (0.068 R)
• M7: 3,603,514 km (0.1 R)
• M8: 4,175,576 km (0.104 R)
• M9: 4,495,266 km (0.096 R)
• M10: 5,132,853 km (0.093 R)
• M11: 5,801,256 km (0.111 R)
• M12: 6,084,445 km (0.082 R)
• M13: 6,466,518 km (0.102 R)
• M14: 6,895,714 km (0.064 R)
• M15: 7,709,377 km (0.032 R)
• M16: 10,082,896 km (0.094 R)
• M17: 11,173,166 km (0.034 R)
• M18: 12,433,229 km (0.026 R)
• M19: 14,342,546 km (0.113 R)
• M20: 14,704,872 km (0.104 R)
• M21: 16,951,084 km (0.102 R)
• M22: 18,005,899 km (0.065 R)
• M23: 18,427,765 km (0.101 R)
• M24: 18,917,848 km (0.088 R)
• M25: 19,416,607 km (0.078 R)
• M26: 21,098,536 km (0.038 R)
• M27: 21,634,994 km (0.118 R)
• M28: 22,875,310 km (0.088 R)
• M29: 23,441,388 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.2

Radius: 9.7

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.41 AU - 3.91 AU

Year: 4669 Days

Day: 13.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,640,179 km

• M1: 121,025 km (0.06 R)
• M2: 478,115 km (0.075 R)
• M3: 852,708 km (0.107 R)
• M4: 1,264,102 km (0.064 R)
• M5: 1,806,544 km (0.09 R)
• M6: 2,366,190 km (0.028 R)
• M7: 3,588,404 km (0.112 R)
• M8: 4,014,908 km (0.116 R)
• M9: 4,474,921 km (0.048 R)
• M10: 5,216,927 km (0.046 R)
• M11: 6,162,834 km (0.11 R)
• M12: 6,545,655 km (0.099 R)
• M13: 8,391,842 km (0.031 R)
• M14: 9,227,645 km (0.096 R)
• M15: 9,602,388 km (0.079 R)
• M16: 10,833,878 km (0.094 R)
• M17: 13,768,390 km (0.115 R)
• M18: 14,313,524 km (0.06 R)
• M19: 15,215,599 km (0.039 R)
• M20: 16,395,927 km (0.081 R)
• M21: 17,008,530 km (0.108 R)
• M22: 17,383,422 km (0.069 R)
• M23: 18,279,364 km (0.089 R)
• M24: 19,205,973 km (0.066 R)
• M25: 22,620,993 km (0.05 R)
• M26: 28,471,616 km (0.081 R)
• M27: 29,625,614 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.9

Radius: 12.8

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.86 AU - 4.6 AU

Year: 4804 Days

Day: 14.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,640,179 km

• M1: 159,471 km (0.099 R)
• M2: 1,157,439 km (0.073 R)
• M3: 2,053,680 km (0.091 R)
• M4: 2,466,270 km (0.119 R)
• M5: 2,918,206 km (0.099 R)
• M6: 3,950,581 km (0.109 R)
• M7: 5,541,404 km (0.12 R)
• M8: 6,268,300 km (0.119 R)
• M9: 6,787,555 km (0.113 R)
• M10: 7,749,319 km (0.079 R)
• M11: 8,835,400 km (0.098 R)
• M12: 10,332,575 km (0.118 R)
• M13: 11,058,873 km (0.09 R)
• M14: 17,188,047 km (0.1 R)
• M15: 20,059,728 km (0.054 R)
• M16: 21,126,810 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.2

Radius: 3.3

Gravity: 90.19 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.43 AU - 10.59 AU

Year: 16555 Days

Day: 22.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,640,179 km

• M1: 41,289 km (0.105 R)
• M2: 207,193 km (0.096 R)
• M3: 328,068 km (0.072 R)
• M4: 489,335 km (0.064 R)
• M5: 835,055 km (0.111 R)
• M6: 997,369 km (0.085 R)
• M7: 1,236,576 km (0.117 R)
• M8: 1,496,278 km (0.081 R)
• M9: 1,647,821 km (0.11 R)
• M10: 1,791,135 km (0.113 R)
• M11: 2,164,980 km (0.042 R)
• M12: 2,472,105 km (0.076 R)
• M13: 2,832,636 km (0.071 R)
• M14: 4,124,114 km (0.077 R)
• M15: 4,989,089 km (0.114 R)
• M16: 5,175,488 km (0.044 R)
• M17: 5,722,418 km (0.091 R)
• M18: 8,401,716 km (0.03 R)
• M19: 8,880,878 km (0.087 R)
• M20: 9,835,162 km (0.12 R)
• M21: 10,609,631 km (0.061 R)
• M22: 13,967,953 km (0.065 R)
• M23: 14,791,340 km (0.104 R)
• M24: 24,876,032 km (0.029 R)
• M25: 26,306,337 km (0.115 R)
• M26: 28,376,023 km (0.075 R)
• M27: 30,058,850 km (0.118 R)
• M28: 32,318,675 km (0.065 R)
• M29: 33,358,380 km (0.119 R)
• M30: 33,489,877 km (0.086 R)
• M31: 39,625,185 km (0.079 R)
• M32: 41,419,761 km (0.115 R)
• M33: 44,370,579 km (0.103 R)
• M34: 46,141,369 km (0.119 R)
• M35: 47,292,524 km (0.078 R)
• M36: 54,239,401 km (0.065 R)
• M37: 66,093,686 km (0.113 R)
• M38: 70,326,557 km (0.095 R)
• M39: 71,630,901 km (0.112 R)
• M40: 75,640,124 km (0.107 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 19,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit