🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.8

Radius: 9.1

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.73 AU - 2.25 AU

Year: 1938 Days

Day: 14.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,967,088 km

• M1: 113,395 km (0.085 R)
• M2: 456,722 km (0.117 R)
• M3: 762,650 km (0.108 R)
• M4: 1,268,440 km (0.118 R)
• M5: 1,797,718 km (0.108 R)
• M6: 3,011,854 km (0.067 R)
• M7: 3,703,594 km (0.12 R)
• M8: 4,125,161 km (0.112 R)
• M9: 4,892,000 km (0.095 R)
• M10: 5,655,847 km (0.053 R)
• M11: 5,943,673 km (0.091 R)
• M12: 6,471,155 km (0.102 R)
• M13: 7,590,746 km (0.044 R)
• M14: 7,912,082 km (0.113 R)
• M15: 9,027,484 km (0.109 R)
• M16: 9,623,033 km (0.083 R)
• M17: 11,151,923 km (0.09 R)
• M18: 11,606,102 km (0.118 R)
• M19: 12,551,261 km (0.038 R)
• M20: 13,084,279 km (0.088 R)
• M21: 15,695,061 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.2

Radius: 14

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.01 AU - 2.03 AU

Year: 1982 Days

Day: 8.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,967,088 km

• M1: 174,132 km (0.12 R)
• M2: 709,094 km (0.041 R)
• M3: 1,150,108 km (0.099 R)
• M4: 1,745,957 km (0.108 R)
• M5: 2,386,684 km (0.106 R)
• M6: 3,023,523 km (0.058 R)
• M7: 3,755,655 km (0.081 R)
• M8: 4,472,378 km (0.111 R)
• M9: 5,134,498 km (0.109 R)
• M10: 6,226,862 km (0.12 R)
• M11: 7,259,536 km (0.075 R)
• M12: 9,508,141 km (0.046 R)
• M13: 10,209,456 km (0.104 R)
• M14: 11,048,102 km (0.09 R)
• M15: 11,680,003 km (0.047 R)
• M16: 12,939,468 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.1

Radius: 12.1

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.45 AU - 3.83 AU

Year: 3841 Days

Day: 5.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,967,088 km

• M1: 152,739 km (0.089 R)
• M2: 1,173,446 km (0.093 R)
• M3: 1,641,089 km (0.118 R)
• M4: 3,259,289 km (0.117 R)
• M5: 3,769,118 km (0.119 R)
• M6: 4,998,065 km (0.104 R)
• M7: 5,758,172 km (0.061 R)
• M8: 6,623,147 km (0.118 R)
• M9: 7,413,622 km (0.108 R)
• M10: 7,831,897 km (0.108 R)
• M11: 9,109,762 km (0.074 R)
• M12: 9,665,668 km (0.03 R)
• M13: 13,068,421 km (0.106 R)
• M14: 14,360,947 km (0.072 R)
• M15: 15,632,080 km (0.116 R)
• M16: 16,054,245 km (0.072 R)
• M17: 17,310,718 km (0.097 R)
• M18: 18,514,232 km (0.084 R)
• M19: 18,987,111 km (0.081 R)
• M20: 20,018,738 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.3

Radius: 7

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.47 AU - 7.85 AU

Year: 11864 Days

Day: 24.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,967,088 km

• M1: 87,365 km (0.098 R)
• M2: 536,608 km (0.113 R)
• M3: 895,642 km (0.102 R)
• M4: 1,254,378 km (0.093 R)
• M5: 1,693,597 km (0.055 R)
• M6: 2,073,127 km (0.046 R)
• M7: 3,002,130 km (0.074 R)
• M8: 3,359,968 km (0.113 R)
• M9: 3,788,117 km (0.11 R)
• M10: 5,187,306 km (0.049 R)
• M11: 6,282,811 km (0.091 R)
• M12: 9,385,920 km (0.087 R)
• M13: 11,001,577 km (0.116 R)
• M14: 13,734,581 km (0.109 R)
• M15: 16,428,090 km (0.091 R)
• M16: 18,080,698 km (0.058 R)
• M17: 18,759,274 km (0.098 R)
• M18: 25,958,372 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.5

Radius: 6

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.79 AU - 9.07 AU

Year: 16895 Days

Day: 20.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,967,088 km

• M1: 155,283 km (0.083 R)
• M2: 387,758 km (0.12 R)
• M3: 620,083 km (0.072 R)
• M4: 2,442,036 km (0.07 R)
• M5: 3,116,872 km (0.105 R)
• M6: 3,935,770 km (0.107 R)
• M7: 4,352,101 km (0.106 R)
• M8: 5,142,726 km (0.111 R)
• M9: 5,471,093 km (0.048 R)
• M10: 7,408,386 km (0.063 R)
• M11: 10,575,373 km (0.05 R)
• M12: 10,945,328 km (0.086 R)
• M13: 11,160,600 km (0.117 R)
• M14: 11,823,318 km (0.108 R)
• M15: 13,718,723 km (0.085 R)
• M16: 16,999,554 km (0.044 R)
• M17: 17,801,847 km (0.105 R)
• M18: 18,782,312 km (0.109 R)
• M19: 22,540,809 km (0.095 R)
• M20: 22,977,335 km (0.116 R)
• M21: 35,573,326 km (0.056 R)
• M22: 36,883,654 km (0.116 R)
• M23: 39,473,642 km (0.06 R)
• M24: 43,649,667 km (0.101 R)
• M25: 46,826,826 km (0.054 R)
• M26: 47,680,282 km (0.073 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 19,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit