🌌 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: 681.5

Radius: 12

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.4 AU - 0.64 AU

Year: 264 Days

Day: 9.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,356,557 km

• M1: 149,299 km (0.068 R)
• M2: 526,884 km (0.066 R)
• M3: 1,045,689 km (0.088 R)
• M4: 1,527,843 km (0.102 R)
• M5: 2,001,470 km (0.037 R)
• M6: 2,529,700 km (0.112 R)
• M7: 3,070,795 km (0.059 R)
• M8: 4,152,837 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.3

Radius: 11.8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.14 AU - 1.62 AU

Year: 1140 Days

Day: 9.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,356,557 km

• M1: 146,756 km (0.078 R)
• M2: 514,168 km (0.099 R)
• M3: 897,737 km (0.108 R)
• M4: 1,444,517 km (0.045 R)
• M5: 2,041,861 km (0.094 R)
• M6: 2,416,305 km (0.086 R)
• M7: 2,799,275 km (0.081 R)
• M8: 3,553,697 km (0.089 R)
• M9: 3,987,531 km (0.105 R)
• M10: 4,850,861 km (0.09 R)
• M11: 5,689,656 km (0.096 R)
• M12: 6,220,130 km (0.083 R)
• M13: 7,089,892 km (0.046 R)
• M14: 7,679,756 km (0.065 R)
• M15: 8,571,360 km (0.095 R)
• M16: 9,501,260 km (0.113 R)
• M17: 10,066,590 km (0.098 R)
• M18: 10,622,795 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562

Radius: 10.7

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.09 AU - 1.71 AU

Year: 1164 Days

Day: 8 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,356,557 km

• M1: 133,142 km (0.067 R)
• M2: 582,235 km (0.108 R)
• M3: 961,615 km (0.043 R)
• M4: 1,331,122 km (0.075 R)
• M5: 1,998,777 km (0.094 R)
• M6: 2,615,120 km (0.113 R)
• M7: 2,968,620 km (0.088 R)
• M8: 3,883,262 km (0.067 R)
• M9: 4,467,292 km (0.103 R)
• M10: 6,044,951 km (0.082 R)
• M11: 7,334,185 km (0.1 R)
• M12: 9,747,348 km (0.092 R)
• M13: 10,699,988 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342

Radius: 15

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.81 AU - 2.47 AU

Year: 2201 Days

Day: 14.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,356,557 km

• M1: 186,549 km (0.106 R)
• M2: 691,441 km (0.028 R)
• M3: 1,288,935 km (0.114 R)
• M4: 1,765,853 km (0.12 R)
• M5: 3,023,523 km (0.059 R)
• M6: 3,787,818 km (0.114 R)
• M7: 4,317,395 km (0.112 R)
• M8: 5,268,987 km (0.108 R)
• M9: 5,886,078 km (0.057 R)
• M10: 6,356,264 km (0.094 R)
• M11: 6,826,300 km (0.108 R)
• M12: 8,061,530 km (0.034 R)
• M13: 9,632,308 km (0.079 R)
• M14: 10,730,057 km (0.091 R)
• M15: 11,909,935 km (0.102 R)
• M16: 13,373,750 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.7

Radius: 11.2

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.11 AU - 2.59 AU

Year: 2532 Days

Day: 6.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 59.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,356,557 km

• M1: 269,575 km (0.08 R)
• M2: 641,476 km (0.094 R)
• M3: 1,079,648 km (0.106 R)
• M4: 1,552,975 km (0.11 R)
• M5: 2,713,855 km (0.092 R)
• M6: 3,460,797 km (0.039 R)
• M7: 4,549,570 km (0.051 R)
• M8: 5,035,165 km (0.102 R)
• M9: 5,752,936 km (0.102 R)
• M10: 6,110,624 km (0.071 R)
• M11: 6,564,953 km (0.112 R)
• M12: 7,421,850 km (0.112 R)
• M13: 9,532,975 km (0.07 R)
• M14: 11,250,657 km (0.119 R)
• M15: 12,392,239 km (0.114 R)
• M16: 13,342,185 km (0.103 R)
• M17: 13,789,633 km (0.043 R)
• M18: 15,048,199 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.7

Radius: 10.5

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.44 AU - 2.7 AU

Year: 2896 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,356,557 km

• M1: 130,898 km (0.055 R)
• M2: 682,316 km (0.118 R)
• M3: 1,359,097 km (0.035 R)
• M4: 1,821,803 km (0.084 R)
• M5: 2,770,403 km (0.062 R)
• M6: 3,471,419 km (0.071 R)
• M7: 7,391,032 km (0.092 R)
• M8: 8,149,494 km (0.109 R)
• M9: 13,321,092 km (0.083 R)
• M10: 14,048,138 km (0.041 R)
• M11: 15,073,781 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.3

Radius: 13.7

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.02 AU - 5.12 AU

Year: 8025 Days

Day: 12.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,356,557 km

• M1: 170,542 km (0.12 R)
• M2: 679,324 km (0.113 R)
• M3: 2,064,151 km (0.067 R)
• M4: 2,507,859 km (0.09 R)
• M5: 3,170,128 km (0.089 R)
• M6: 3,666,494 km (0.063 R)
• M7: 8,516,756 km (0.047 R)
• M8: 9,628,119 km (0.048 R)
• M9: 10,219,180 km (0.1 R)
• M10: 10,886,536 km (0.029 R)
• M11: 11,858,474 km (0.114 R)
• M12: 14,541,811 km (0.106 R)
• M13: 16,059,182 km (0.112 R)
• M14: 16,750,773 km (0.101 R)
• M15: 20,271,708 km (0.12 R)
• M16: 21,909,506 km (0.11 R)
• M17: 22,417,690 km (0.052 R)
• M18: 24,802,579 km (0.103 R)
• M19: 26,867,329 km (0.041 R)
• M20: 27,842,707 km (0.041 R)
• M21: 29,761,000 km (0.112 R)
• M22: 30,280,105 km (0.072 R)
• M23: 38,319,644 km (0.08 R)
• M24: 40,817,629 km (0.048 R)
• M25: 41,976,564 km (0.094 R)
• M26: 44,765,667 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690

Radius: 11.1

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.54 AU - 6.3 AU

Year: 8870 Days

Day: 13.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,356,557 km

• M1: 138,228 km (0.098 R)
• M2: 491,728 km (0.081 R)
• M3: 879,935 km (0.118 R)
• M4: 1,380,340 km (0.084 R)
• M5: 2,116,361 km (0.03 R)
• M6: 2,583,555 km (0.072 R)
• M7: 3,414,123 km (0.106 R)
• M8: 4,728,938 km (0.096 R)
• M9: 5,372,209 km (0.11 R)
• M10: 6,795,932 km (0.072 R)
• M11: 7,335,532 km (0.084 R)
• M12: 7,945,143 km (0.12 R)
• M13: 9,546,738 km (0.119 R)
• M14: 10,373,565 km (0.111 R)
• M15: 11,460,094 km (0.112 R)
• M16: 12,225,587 km (0.086 R)
• M17: 13,377,939 km (0.063 R)
• M18: 15,370,134 km (0.112 R)
• M19: 19,092,727 km (0.116 R)
• M20: 22,356,055 km (0.084 R)
• M21: 22,777,921 km (0.026 R)
• M22: 23,637,511 km (0.083 R)
• M23: 25,057,793 km (0.055 R)
• M24: 25,604,872 km (0.026 R)
• M25: 30,271,728 km (0.078 R)
• M26: 31,732,850 km (0.108 R)
• M27: 33,790,419 km (0.053 R)
• M28: 36,748,119 km (0.094 R)
• M29: 41,248,621 km (0.077 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 14,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit