🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.2

Radius: 8.5

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.57 AU - 0.61 AU

Year: 307 Days

Day: 9.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,715,441 km

• M1: 105,766 km (0.061 R)
• M2: 442,660 km (0.093 R)
• M3: 942,467 km (0.109 R)
• M4: 1,363,435 km (0.105 R)
• M5: 1,635,853 km (0.049 R)
• M6: 2,529,251 km (0.116 R)
• M7: 2,883,349 km (0.106 R)
• M8: 3,595,136 km (0.115 R)
• M9: 3,954,171 km (0.118 R)
• M10: 4,364,368 km (0.06 R)
• M11: 4,817,201 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.4

Radius: 14.9

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.84 AU - 1.28 AU

Year: 740 Days

Day: 8 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,715,441 km

• M1: 185,501 km (0.11 R)
• M2: 650,003 km (0.04 R)
• M3: 1,139,188 km (0.093 R)
• M4: 1,618,649 km (0.1 R)
• M5: 2,362,898 km (0.092 R)
• M6: 2,952,912 km (0.115 R)
• M7: 4,016,852 km (0.105 R)
• M8: 4,606,567 km (0.076 R)
• M9: 5,082,288 km (0.057 R)
• M10: 7,173,816 km (0.043 R)
• M11: 7,657,616 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120

Radius: 11.6

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.1 AU - 4.78 AU

Year: 5304 Days

Day: 8.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,715,441 km

• M1: 144,362 km (0.083 R)
• M2: 770,728 km (0.111 R)
• M3: 1,218,475 km (0.09 R)
• M4: 1,796,970 km (0.047 R)
• M5: 2,207,466 km (0.104 R)
• M6: 2,724,626 km (0.048 R)
• M7: 4,023,285 km (0.092 R)
• M8: 4,565,278 km (0.119 R)
• M9: 5,270,183 km (0.089 R)
• M10: 5,649,115 km (0.094 R)
• M11: 6,304,054 km (0.061 R)
• M12: 6,786,657 km (0.104 R)
• M13: 7,795,844 km (0.03 R)
• M14: 8,968,542 km (0.114 R)
• M15: 11,622,259 km (0.097 R)
• M16: 13,192,887 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.3

Radius: 13

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.53 AU - 4.67 AU

Year: 5631 Days

Day: 13 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,715,441 km

• M1: 161,715 km (0.117 R)
• M2: 606,919 km (0.111 R)
• M3: 1,146,817 km (0.028 R)
• M4: 1,581,549 km (0.089 R)
• M5: 2,615,120 km (0.081 R)
• M6: 3,135,123 km (0.04 R)
• M7: 9,151,500 km (0.087 R)
• M8: 10,453,151 km (0.066 R)
• M9: 10,881,300 km (0.115 R)
• M10: 14,859,556 km (0.117 R)
• M11: 16,398,021 km (0.067 R)
• M12: 16,977,114 km (0.118 R)
• M13: 17,904,920 km (0.095 R)
• M14: 19,359,760 km (0.099 R)
• M15: 22,503,559 km (0.078 R)
• M16: 30,358,045 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.2

Radius: 3.9

Gravity: 44.26 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 8.07 AU - 12.55 AU

Year: 22453 Days

Day: 18.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,715,441 km

• M1: 54,154 km (0.118 R)
• M2: 175,927 km (0.063 R)
• M3: 402,119 km (0.096 R)
• M4: 930,050 km (0.088 R)
• M5: 3,402,005 km (0.026 R)
• M6: 3,987,232 km (0.066 R)
• M7: 5,158,434 km (0.068 R)
• M8: 5,843,442 km (0.101 R)
• M9: 7,945,891 km (0.114 R)
• M10: 9,953,644 km (0.09 R)
• M11: 10,256,879 km (0.108 R)
• M12: 15,332,435 km (0.087 R)
• M13: 18,313,173 km (0.085 R)
• M14: 25,053,455 km (0.099 R)
• M15: 35,616,111 km (0.076 R)
• M16: 41,705,343 km (0.104 R)
• M17: 47,936,095 km (0.085 R)
• M18: 48,452,806 km (0.113 R)
• M19: 48,625,890 km (0.07 R)
• M20: 53,271,951 km (0.038 R)
• M21: 53,456,406 km (0.079 R)
• M22: 54,946,700 km (0.113 R)
• M23: 55,323,686 km (0.106 R)
• M24: 56,848,388 km (0.117 R)
• M25: 60,581,453 km (0.116 R)
• M26: 69,186,921 km (0.065 R)
• M27: 72,528,189 km (0.105 R)
• M28: 75,277,349 km (0.051 R)
• M29: 77,620,800 km (0.228 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 14,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit