🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873

Radius: 14.7

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.4 AU - 1.48 AU

Year: 1134 Days

Day: 7.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,385,349 km

• M1: 182,809 km (0.084 R)
• M2: 696,827 km (0.062 R)
• M3: 1,218,175 km (0.07 R)
• M4: 1,782,608 km (0.114 R)
• M5: 2,595,523 km (0.043 R)
• M6: 3,661,258 km (0.115 R)
• M7: 4,695,279 km (0.063 R)
• M8: 6,026,999 km (0.087 R)
• M9: 6,964,230 km (0.055 R)
• M10: 8,214,868 km (0.074 R)
• M11: 8,720,808 km (0.12 R)
• M12: 9,518,913 km (0.114 R)
• M13: 11,057,826 km (0.069 R)
• M14: 11,745,976 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.4

Radius: 9.8

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.91 AU - 1.91 AU

Year: 1732 Days

Day: 8.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,385,349 km

• M1: 121,922 km (0.116 R)
• M2: 513,121 km (0.075 R)
• M3: 875,596 km (0.104 R)
• M4: 1,320,052 km (0.063 R)
• M5: 1,880,146 km (0.071 R)
• M6: 2,263,715 km (0.086 R)
• M7: 2,672,267 km (0.106 R)
• M8: 3,099,817 km (0.095 R)
• M9: 3,523,030 km (0.086 R)
• M10: 3,966,887 km (0.115 R)
• M11: 5,868,126 km (0.084 R)
• M12: 6,493,445 km (0.057 R)
• M13: 7,189,374 km (0.084 R)
• M14: 7,680,504 km (0.042 R)
• M15: 8,548,471 km (0.085 R)
• M16: 9,512,629 km (0.106 R)
• M17: 10,206,016 km (0.113 R)
• M18: 11,767,518 km (0.119 R)
• M19: 12,880,227 km (0.097 R)
• M20: 13,320,045 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.8

Radius: 13.3

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.1 AU - 2.28 AU

Year: 2126 Days

Day: 14 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,385,349 km

• M1: 165,455 km (0.114 R)
• M2: 597,793 km (0.065 R)
• M3: 1,032,375 km (0.106 R)
• M4: 1,504,356 km (0.107 R)
• M5: 2,232,898 km (0.088 R)
• M6: 3,091,290 km (0.072 R)
• M7: 3,857,830 km (0.078 R)
• M8: 4,396,532 km (0.062 R)
• M9: 7,298,581 km (0.053 R)
• M10: 8,187,940 km (0.104 R)
• M11: 8,852,753 km (0.119 R)
• M12: 10,111,470 km (0.11 R)
• M13: 11,563,915 km (0.057 R)
• M14: 14,695,597 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.8

Radius: 9.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.76 AU - 3.82 AU

Year: 3915 Days

Day: 5.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,385,349 km

• M1: 133,292 km (0.082 R)
• M2: 522,545 km (0.07 R)
• M3: 2,239,480 km (0.087 R)
• M4: 2,703,682 km (0.083 R)
• M5: 3,545,470 km (0.093 R)
• M6: 3,880,270 km (0.101 R)
• M7: 6,534,734 km (0.115 R)
• M8: 8,620,727 km (0.119 R)
• M9: 10,712,105 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.1

Radius: 14.2

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.67 AU - 3.95 AU

Year: 3950 Days

Day: 14.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,385,349 km

• M1: 183,407 km (0.081 R)
• M2: 1,005,148 km (0.116 R)
• M3: 2,619,459 km (0.096 R)
• M4: 3,498,047 km (0.066 R)
• M5: 4,565,278 km (0.034 R)
• M6: 7,577,282 km (0.099 R)
• M7: 8,844,226 km (0.116 R)
• M8: 9,828,131 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.4

Radius: 6.8

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.63 AU - 6.47 AU

Year: 9762 Days

Day: 21.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,385,349 km

• M1: 84,523 km (0.05 R)
• M2: 345,721 km (0.108 R)
• M3: 584,329 km (0.04 R)
• M4: 870,510 km (0.068 R)
• M5: 1,111,961 km (0.118 R)
• M6: 1,334,712 km (0.057 R)
• M7: 2,086,741 km (0.116 R)
• M8: 2,392,070 km (0.067 R)
• M9: 2,625,143 km (0.077 R)
• M10: 2,852,233 km (0.092 R)
• M11: 3,252,407 km (0.054 R)
• M12: 3,589,003 km (0.068 R)
• M13: 5,498,470 km (0.084 R)
• M14: 6,335,470 km (0.117 R)
• M15: 8,172,232 km (0.071 R)
• M16: 8,524,535 km (0.117 R)
• M17: 13,639,287 km (0.117 R)
• M18: 14,578,911 km (0.052 R)
• M19: 15,829,998 km (0.092 R)
• M20: 17,366,218 km (0.106 R)
• M21: 17,728,844 km (0.091 R)
• M22: 18,619,549 km (0.104 R)
• M23: 20,976,314 km (0.108 R)
• M24: 25,706,898 km (0.079 R)
• M25: 27,527,205 km (0.084 R)
• M26: 30,051,071 km (0.09 R)
• M27: 35,090,574 km (0.118 R)
• M28: 36,374,124 km (0.095 R)
• M29: 37,087,107 km (0.046 R)
• M30: 43,263,555 km (0.111 R)
• M31: 44,063,903 km (0.047 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 19,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit