🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.9

Radius: 9.9

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.66 AU - 0.8 AU

Year: 431 Days

Day: 11.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,060,292 km

• M1: 123,418 km (0.102 R)
• M2: 477,367 km (0.098 R)
• M3: 967,300 km (0.034 R)
• M4: 1,620,893 km (0.105 R)
• M5: 3,017,688 km (0.088 R)
• M6: 3,534,998 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.5

Radius: 10.8

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.66 AU - 0.98 AU

Year: 513 Days

Day: 7.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,060,292 km

• M1: 134,339 km (0.052 R)
• M2: 536,458 km (0.096 R)
• M3: 902,524 km (0.101 R)
• M4: 1,245,253 km (0.104 R)
• M5: 1,684,771 km (0.051 R)
• M6: 2,025,406 km (0.119 R)
• M7: 2,598,066 km (0.083 R)
• M8: 3,226,676 km (0.096 R)
• M9: 3,570,901 km (0.094 R)
• M10: 4,053,953 km (0.094 R)
• M11: 5,806,941 km (0.113 R)
• M12: 6,378,255 km (0.113 R)
• M13: 7,007,613 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.7

Radius: 9.4

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.67 AU - 1.01 AU

Year: 531 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,060,292 km

• M1: 117,135 km (0.097 R)
• M2: 505,790 km (0.03 R)
• M3: 865,723 km (0.116 R)
• M4: 1,181,674 km (0.057 R)
• M5: 2,231,851 km (0.084 R)
• M6: 2,852,383 km (0.108 R)
• M7: 3,327,206 km (0.065 R)
• M8: 3,853,940 km (0.114 R)
• M9: 5,521,508 km (0.067 R)
• M10: 6,377,208 km (0.102 R)
• M11: 6,878,061 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.3

Radius: 10.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.42 AU - 1.8 AU

Year: 1410 Days

Day: 7 Hours

Environment

Temp: -202 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,060,292 km

• M1: 138,378 km (0.049 R)
• M2: 529,726 km (0.087 R)
• M3: 909,705 km (0.068 R)
• M4: 1,324,240 km (0.116 R)
• M5: 1,672,953 km (0.113 R)
• M6: 2,889,184 km (0.104 R)
• M7: 3,757,899 km (0.106 R)
• M8: 4,361,526 km (0.085 R)
• M9: 5,109,066 km (0.088 R)
• M10: 5,460,771 km (0.09 R)
• M11: 5,962,373 km (0.109 R)
• M12: 6,614,470 km (0.091 R)
• M13: 7,236,199 km (0.076 R)
• M14: 8,171,634 km (0.086 R)
• M15: 9,276,714 km (0.115 R)
• M16: 9,739,270 km (0.119 R)
• M17: 12,105,161 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.3

Radius: 9.7

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.79 AU - 2.39 AU

Year: 2086 Days

Day: 8.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,060,292 km

• M1: 120,725 km (0.098 R)
• M2: 633,098 km (0.088 R)
• M3: 1,042,996 km (0.102 R)
• M4: 1,502,411 km (0.041 R)
• M5: 1,860,399 km (0.104 R)
• M6: 2,672,416 km (0.095 R)
• M7: 3,159,357 km (0.075 R)
• M8: 3,526,620 km (0.11 R)
• M9: 3,837,634 km (0.085 R)
• M10: 4,784,140 km (0.09 R)
• M11: 6,061,257 km (0.104 R)
• M12: 7,419,905 km (0.053 R)
• M13: 8,911,246 km (0.082 R)
• M14: 9,305,736 km (0.095 R)
• M15: 9,711,744 km (0.116 R)
• M16: 10,829,988 km (0.06 R)
• M17: 11,455,756 km (0.069 R)
• M18: 12,703,253 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.7

Radius: 10.5

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.56 AU - 2.7 AU

Year: 2944 Days

Day: 10.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,060,292 km

• M1: 131,048 km (0.063 R)
• M2: 461,809 km (0.106 R)
• M3: 895,343 km (0.088 R)
• M4: 1,448,107 km (0.119 R)
• M5: 2,088,087 km (0.109 R)
• M6: 2,658,205 km (0.109 R)
• M7: 3,347,252 km (0.116 R)
• M8: 4,171,836 km (0.101 R)
• M9: 5,392,854 km (0.079 R)
• M10: 5,927,217 km (0.095 R)
• M11: 7,342,263 km (0.105 R)
• M12: 8,936,079 km (0.049 R)
• M13: 9,395,045 km (0.084 R)
• M14: 10,476,040 km (0.054 R)
• M15: 13,424,165 km (0.063 R)
• M16: 13,979,921 km (0.105 R)
• M17: 14,842,353 km (0.112 R)
• M18: 15,187,176 km (0.099 R)
• M19: 17,587,773 km (0.09 R)
• M20: 19,635,169 km (0.077 R)
• M21: 20,110,891 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.6

Radius: 13.2

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.24 AU - 4.26 AU

Year: 6048 Days

Day: 6.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,060,292 km

• M1: 164,258 km (0.113 R)
• M2: 651,200 km (0.067 R)
• M3: 1,120,039 km (0.092 R)
• M4: 1,677,890 km (0.07 R)
• M5: 2,289,595 km (0.072 R)
• M6: 2,765,466 km (0.108 R)
• M7: 4,084,471 km (0.089 R)
• M8: 5,202,416 km (0.071 R)
• M9: 6,191,407 km (0.081 R)
• M10: 7,266,567 km (0.119 R)
• M11: 7,999,447 km (0.099 R)
• M12: 8,541,440 km (0.026 R)
• M13: 9,527,589 km (0.114 R)
• M14: 13,692,693 km (0.106 R)
• M15: 14,640,096 km (0.072 R)
• M16: 16,915,630 km (0.09 R)
• M17: 23,306,899 km (0.089 R)
• M18: 24,015,395 km (0.092 R)
• M19: 27,338,861 km (0.079 R)
• M20: 28,038,680 km (0.056 R)
• M21: 30,675,791 km (0.1 R)
• M22: 31,336,416 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.8

Radius: 6.9

Gravity: 20.77 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.84 AU - 6.46 AU

Year: 10527 Days

Day: 21.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,060,292 km

• M1: 85,869 km (0.092 R)
• M2: 657,782 km (0.039 R)
• M3: 898,934 km (0.09 R)
• M4: 1,275,471 km (0.119 R)
• M5: 1,705,416 km (0.095 R)
• M6: 2,043,058 km (0.097 R)
• M7: 2,807,653 km (0.053 R)
• M8: 3,255,250 km (0.093 R)
• M9: 3,915,425 km (0.087 R)
• M10: 4,232,872 km (0.101 R)
• M11: 4,629,905 km (0.088 R)
• M12: 6,550,891 km (0.069 R)
• M13: 8,753,719 km (0.078 R)
• M14: 11,120,507 km (0.077 R)
• M15: 15,887,443 km (0.046 R)
• M16: 16,996,412 km (0.119 R)
• M17: 17,300,545 km (0.089 R)
• M18: 19,532,994 km (0.062 R)
• M19: 26,343,287 km (0.051 R)
• M20: 26,853,416 km (0.054 R)
• M21: 29,832,957 km (0.12 R)
• M22: 33,380,670 km (0.117 R)
• M23: 34,339,892 km (0.083 R)
• M24: 38,361,083 km (0.074 R)
• M25: 40,080,561 km (0.058 R)
• M26: 44,964,183 km (0.065 R)
• M27: 51,014,370 km (0.039 R)
• M28: 51,488,894 km (0.097 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 18,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit