🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.8

Radius: 13.5

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.62 AU - 0.92 AU

Year: 475 Days

Day: 11.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,510,910 km

• M1: 172,935 km (0.079 R)
• M2: 681,269 km (0.088 R)
• M3: 1,478,326 km (0.116 R)
• M4: 2,027,350 km (0.045 R)
• M5: 2,474,050 km (0.065 R)
• M6: 3,021,578 km (0.085 R)
• M7: 3,532,754 km (0.11 R)
• M8: 4,378,580 km (0.029 R)
• M9: 4,826,027 km (0.112 R)
• M10: 5,253,279 km (0.083 R)
• M11: 6,071,579 km (0.1 R)
• M12: 6,531,443 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.9

Radius: 9.5

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.82 AU - 2.76 AU

Year: 2436 Days

Day: 8.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,510,910 km

• M1: 118,182 km (0.081 R)
• M2: 1,124,826 km (0.117 R)
• M3: 1,769,294 km (0.1 R)
• M4: 4,138,027 km (0.114 R)
• M5: 4,743,449 km (0.055 R)
• M6: 6,130,521 km (0.045 R)
• M7: 7,032,147 km (0.092 R)
• M8: 8,120,771 km (0.098 R)
• M9: 8,507,481 km (0.111 R)
• M10: 8,906,459 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.2

Radius: 14.6

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.31 AU - 2.83 AU

Year: 2896 Days

Day: 10 Hours

Environment

Temp: -213 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,510,910 km

• M1: 181,911 km (0.073 R)
• M2: 936,483 km (0.11 R)
• M3: 1,579,903 km (0.07 R)
• M4: 3,273,501 km (0.104 R)
• M5: 4,560,940 km (0.11 R)
• M6: 5,461,968 km (0.077 R)
• M7: 6,744,321 km (0.114 R)
• M8: 7,456,855 km (0.07 R)
• M9: 8,185,098 km (0.041 R)
• M10: 10,494,889 km (0.104 R)
• M11: 11,453,363 km (0.096 R)
• M12: 12,652,090 km (0.077 R)
• M13: 13,116,741 km (0.103 R)
• M14: 13,933,097 km (0.117 R)
• M15: 19,498,886 km (0.109 R)
• M16: 21,206,246 km (0.094 R)
• M17: 22,398,541 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487

Radius: 9.9

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.5 AU - 2.76 AU

Year: 2998 Days

Day: 13.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,510,910 km

• M1: 123,119 km (0.076 R)
• M2: 519,105 km (0.098 R)
• M3: 1,143,377 km (0.111 R)
• M4: 1,668,914 km (0.072 R)
• M5: 2,062,356 km (0.076 R)
• M6: 2,404,636 km (0.099 R)
• M7: 2,769,505 km (0.112 R)
• M8: 3,935,022 km (0.107 R)
• M9: 4,727,143 km (0.034 R)
• M10: 6,057,367 km (0.034 R)
• M11: 7,082,861 km (0.082 R)
• M12: 8,285,029 km (0.032 R)
• M13: 8,917,679 km (0.042 R)
• M14: 10,506,558 km (0.047 R)
• M15: 10,892,520 km (0.028 R)
• M16: 12,191,628 km (0.068 R)
• M17: 13,545,938 km (0.103 R)
• M18: 16,242,439 km (0.077 R)
• M19: 16,551,209 km (0.083 R)
• M20: 18,153,702 km (0.04 R)
• M21: 18,486,258 km (0.034 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.3

Radius: 7.2

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.64 AU - 8.14 AU

Year: 15578 Days

Day: 17.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,510,910 km

• M1: 89,609 km (0.039 R)
• M2: 328,966 km (0.103 R)
• M3: 809,324 km (0.114 R)
• M4: 1,035,666 km (0.057 R)
• M5: 1,743,114 km (0.088 R)
• M6: 2,201,033 km (0.097 R)
• M7: 2,801,220 km (0.082 R)
• M8: 3,069,898 km (0.084 R)
• M9: 3,633,583 km (0.12 R)
• M10: 7,572,943 km (0.082 R)
• M11: 11,196,503 km (0.115 R)
• M12: 15,974,360 km (0.106 R)
• M13: 17,802,745 km (0.042 R)
• M14: 19,766,367 km (0.067 R)
• M15: 20,093,388 km (0.088 R)
• M16: 20,842,424 km (0.093 R)
• M17: 26,417,338 km (0.057 R)
• M18: 42,799,352 km (0.091 R)
• M19: 43,622,440 km (0.092 R)
• M20: 47,603,389 km (0.1 R)
• M21: 49,381,360 km (0.061 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 19,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit