🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.3

Radius: 9.1

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.16 AU - 1.48 AU

Year: 1047 Days

Day: 11.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,622,273 km

• M1: 113,096 km (0.082 R)
• M2: 462,257 km (0.094 R)
• M3: 762,949 km (0.059 R)
• M4: 1,078,900 km (0.067 R)
• M5: 1,501,963 km (0.079 R)
• M6: 1,819,858 km (0.05 R)
• M7: 2,667,330 km (0.118 R)
• M8: 3,296,688 km (0.093 R)
• M9: 3,863,963 km (0.113 R)
• M10: 4,548,224 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.8

Radius: 12

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.22 AU - 1.68 AU

Year: 1205 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,622,273 km

• M1: 154,385 km (0.049 R)
• M2: 658,530 km (0.103 R)
• M3: 1,145,620 km (0.115 R)
• M4: 1,581,997 km (0.066 R)
• M5: 2,293,934 km (0.072 R)
• M6: 2,754,546 km (0.118 R)
• M7: 3,427,736 km (0.099 R)
• M8: 4,224,195 km (0.064 R)
• M9: 4,886,016 km (0.111 R)
• M10: 5,345,880 km (0.119 R)
• M11: 5,774,478 km (0.075 R)
• M12: 6,162,983 km (0.117 R)
• M13: 6,568,992 km (0.109 R)
• M14: 7,316,832 km (0.114 R)
• M15: 7,970,275 km (0.084 R)
• M16: 9,145,516 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.7

Radius: 13.1

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.34 AU - 1.68 AU

Year: 1281 Days

Day: 14.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,622,273 km

• M1: 176,077 km (0.106 R)
• M2: 1,026,241 km (0.057 R)
• M3: 1,649,167 km (0.101 R)
• M4: 3,508,369 km (0.071 R)
• M5: 4,590,710 km (0.119 R)
• M6: 5,378,791 km (0.074 R)
• M7: 7,250,710 km (0.116 R)
• M8: 8,848,415 km (0.108 R)
• M9: 9,336,553 km (0.117 R)
• M10: 10,333,473 km (0.069 R)
• M11: 12,768,029 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.4

Radius: 10.9

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.92 AU - 2.1 AU

Year: 1967 Days

Day: 9.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,622,273 km

• M1: 135,536 km (0.044 R)
• M2: 677,978 km (0.106 R)
• M3: 1,361,789 km (0.098 R)
• M4: 1,736,682 km (0.116 R)
• M5: 2,540,471 km (0.1 R)
• M6: 3,676,816 km (0.034 R)
• M7: 4,264,886 km (0.101 R)
• M8: 4,651,147 km (0.079 R)
• M9: 5,274,671 km (0.041 R)
• M10: 5,976,585 km (0.063 R)
• M11: 6,536,829 km (0.091 R)
• M12: 6,999,385 km (0.115 R)
• M13: 8,579,887 km (0.088 R)
• M14: 10,113,714 km (0.104 R)
• M15: 11,451,867 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.5

Radius: 11.3

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.38 AU - 4.42 AU

Year: 5316 Days

Day: 10.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 16,622,273 km

• M1: 140,622 km (0.049 R)
• M2: 534,663 km (0.091 R)
• M3: 902,524 km (0.091 R)
• M4: 1,383,930 km (0.111 R)
• M5: 2,119,802 km (0.057 R)
• M6: 2,669,724 km (0.051 R)
• M7: 3,062,717 km (0.103 R)
• M8: 4,172,285 km (0.108 R)
• M9: 4,579,939 km (0.057 R)
• M10: 5,420,080 km (0.051 R)
• M11: 6,267,702 km (0.057 R)
• M12: 7,337,177 km (0.052 R)
• M13: 7,933,624 km (0.096 R)
• M14: 8,336,641 km (0.11 R)
• M15: 8,986,494 km (0.101 R)
• M16: 9,835,462 km (0.113 R)
• M17: 10,870,230 km (0.115 R)
• M18: 11,322,315 km (0.059 R)
• M19: 16,797,447 km (0.114 R)
• M20: 17,158,726 km (0.104 R)
• M21: 18,848,883 km (0.064 R)
• M22: 21,623,774 km (0.085 R)
• M23: 23,593,379 km (0.058 R)
• M24: 23,970,815 km (0.077 R)
• M25: 25,205,895 km (0.112 R)
• M26: 27,385,386 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.3

Radius: 5.3

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.02 AU - 7.72 AU

Year: 12429 Days

Day: 16.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 79 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 16,622,273 km

• M1: 67,020 km (0.117 R)
• M2: 251,175 km (0.1 R)
• M3: 718,219 km (0.119 R)
• M4: 945,608 km (0.1 R)
• M5: 1,659,190 km (0.115 R)
• M6: 1,852,620 km (0.083 R)
• M7: 2,339,112 km (0.105 R)
• M8: 2,970,266 km (0.103 R)
• M9: 3,211,567 km (0.06 R)
• M10: 3,585,861 km (0.098 R)
• M11: 5,066,132 km (0.076 R)
• M12: 5,508,044 km (0.082 R)
• M13: 6,687,922 km (0.072 R)
• M14: 7,575,786 km (0.098 R)
• M15: 8,026,973 km (0.092 R)
• M16: 10,860,805 km (0.088 R)
• M17: 12,584,921 km (0.107 R)
• M18: 13,217,421 km (0.105 R)
• M19: 13,571,220 km (0.097 R)
• M20: 14,297,816 km (0.1 R)
• M21: 15,242,228 km (0.117 R)
• M22: 16,027,018 km (0.027 R)
• M23: 18,542,806 km (0.088 R)
• M24: 18,837,663 km (0.081 R)
• M25: 19,741,085 km (0.118 R)
• M26: 21,796,559 km (0.112 R)
• M27: 22,207,654 km (0.05 R)
• M28: 22,456,735 km (0.074 R)
• M29: 25,684,010 km (0.082 R)
• M30: 26,887,674 km (0.104 R)
• M31: 28,615,530 km (0.095 R)
• M32: 30,826,137 km (0.088 R)
• M33: 31,239,925 km (0.062 R)
• M34: 34,020,501 km (0.059 R)
• M35: 37,546,074 km (0.057 R)
• M36: 39,094,262 km (0.09 R)
• M37: 40,808,654 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.1

Radius: 5.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.55 AU - 8.15 AU

Year: 13754 Days

Day: 21.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,622,273 km

• M1: 130,150 km (0.044 R)
• M2: 395,387 km (0.1 R)
• M3: 1,349,373 km (0.062 R)
• M4: 1,733,989 km (0.095 R)
• M5: 1,934,749 km (0.091 R)
• M6: 2,506,213 km (0.106 R)
• M7: 3,086,952 km (0.101 R)
• M8: 5,483,660 km (0.095 R)
• M9: 10,451,805 km (0.081 R)
• M10: 13,383,923 km (0.086 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 18,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit