🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.4

Radius: 11.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.71 AU - 2.05 AU

Year: 1691 Days

Day: 14.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,760,270 km

• M1: 141,968 km (0.118 R)
• M2: 599,439 km (0.046 R)
• M3: 1,115,252 km (0.101 R)
• M4: 1,481,767 km (0.047 R)
• M5: 2,363,048 km (0.119 R)
• M6: 2,755,742 km (0.091 R)
• M7: 4,084,770 km (0.089 R)
• M8: 5,077,202 km (0.065 R)
• M9: 7,053,839 km (0.118 R)
• M10: 7,431,723 km (0.077 R)
• M11: 8,422,211 km (0.119 R)
• M12: 8,819,094 km (0.072 R)
• M13: 9,804,495 km (0.07 R)
• M14: 10,276,027 km (0.105 R)
• M15: 10,696,846 km (0.054 R)
• M16: 11,230,611 km (0.104 R)
• M17: 11,817,185 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.6

Radius: 12.4

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.33 AU - 2.57 AU

Year: 2516 Days

Day: 6.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,760,270 km

• M1: 154,235 km (0.107 R)
• M2: 544,686 km (0.1 R)
• M3: 1,089,521 km (0.115 R)
• M4: 2,149,123 km (0.109 R)
• M5: 3,327,805 km (0.11 R)
• M6: 3,823,422 km (0.094 R)
• M7: 4,919,825 km (0.077 R)
• M8: 5,446,260 km (0.118 R)
• M9: 8,961,960 km (0.117 R)
• M10: 10,770,448 km (0.086 R)
• M11: 13,457,376 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.7

Radius: 13.4

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.52 AU - 3.62 AU

Year: 3529 Days

Day: 11.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,760,270 km

• M1: 166,951 km (0.076 R)
• M2: 662,270 km (0.114 R)
• M3: 1,091,316 km (0.051 R)
• M4: 1,789,340 km (0.052 R)
• M5: 2,338,364 km (0.092 R)
• M6: 2,788,654 km (0.053 R)
• M7: 3,220,842 km (0.076 R)
• M8: 4,245,588 km (0.069 R)
• M9: 4,672,989 km (0.091 R)
• M10: 7,981,794 km (0.065 R)
• M11: 9,366,921 km (0.044 R)
• M12: 10,347,386 km (0.116 R)
• M13: 11,668,036 km (0.118 R)
• M14: 12,369,201 km (0.079 R)
• M15: 12,999,457 km (0.09 R)
• M16: 17,661,973 km (0.049 R)
• M17: 20,001,535 km (0.076 R)
• M18: 21,486,892 km (0.116 R)
• M19: 23,482,228 km (0.092 R)
• M20: 23,999,687 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.8

Radius: 8.4

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.34 AU - 3.88 AU

Year: 3598 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,760,270 km

• M1: 104,419 km (0.113 R)
• M2: 379,530 km (0.034 R)
• M3: 691,741 km (0.079 R)
• M4: 1,032,824 km (0.117 R)
• M5: 1,361,191 km (0.091 R)
• M6: 2,423,934 km (0.11 R)
• M7: 2,690,817 km (0.107 R)
• M8: 3,474,560 km (0.054 R)
• M9: 4,047,520 km (0.034 R)
• M10: 4,729,985 km (0.107 R)
• M11: 5,098,894 km (0.087 R)
• M12: 5,811,279 km (0.075 R)
• M13: 6,498,831 km (0.119 R)
• M14: 7,271,653 km (0.037 R)
• M15: 7,564,267 km (0.094 R)
• M16: 8,278,148 km (0.053 R)
• M17: 10,157,695 km (0.102 R)
• M18: 11,239,886 km (0.102 R)
• M19: 11,720,245 km (0.103 R)
• M20: 13,004,543 km (0.111 R)
• M21: 13,291,621 km (0.085 R)
• M22: 15,103,551 km (0.091 R)
• M23: 16,233,314 km (0.113 R)
• M24: 17,476,472 km (0.112 R)
• M25: 18,121,239 km (0.083 R)
• M26: 18,660,539 km (0.092 R)
• M27: 19,582,960 km (0.065 R)
• M28: 21,853,257 km (0.041 R)
• M29: 22,191,348 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.7

Radius: 4.5

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.28 AU - 10.34 AU

Year: 20156 Days

Day: 15.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,760,270 km

• M1: 58,942 km (0.032 R)
• M2: 272,717 km (0.099 R)
• M3: 455,526 km (0.044 R)
• M4: 753,076 km (0.077 R)
• M5: 1,253,331 km (0.028 R)
• M6: 4,110,650 km (0.068 R)
• M7: 5,499,068 km (0.073 R)
• M8: 6,631,823 km (0.116 R)
• M9: 7,292,747 km (0.116 R)
• M10: 10,027,096 km (0.057 R)
• M11: 11,813,893 km (0.101 R)
• M12: 12,665,554 km (0.086 R)
• M13: 13,740,714 km (0.086 R)
• M14: 16,762,142 km (0.055 R)
• M15: 17,689,948 km (0.081 R)
• M16: 17,835,657 km (0.032 R)
• M17: 25,533,514 km (0.04 R)
• M18: 37,294,899 km (0.11 R)
• M19: 38,994,779 km (0.077 R)
• M20: 41,511,614 km (0.105 R)
• M21: 44,134,513 km (0.048 R)
• M22: 44,672,168 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 18,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit