🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.3

Radius: 14.3

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.19 AU - 1.41 AU

Year: 1023 Days

Day: 10.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 28,873,635 km

• M1: 180,565 km (0.044 R)
• M2: 759,359 km (0.119 R)
• M3: 1,588,430 km (0.043 R)
• M4: 3,652,731 km (0.077 R)
• M5: 4,127,555 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.2

Radius: 10.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.38 AU - 1.54 AU

Year: 1218 Days

Day: 8.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,873,635 km

• M1: 127,158 km (0.041 R)
• M2: 467,942 km (0.074 R)
• M3: 828,323 km (0.068 R)
• M4: 1,291,329 km (0.103 R)
• M5: 1,635,853 km (0.086 R)
• M6: 2,398,652 km (0.109 R)
• M7: 3,049,253 km (0.109 R)
• M8: 3,770,166 km (0.086 R)
• M9: 4,202,204 km (0.08 R)
• M10: 5,400,932 km (0.085 R)
• M11: 6,559,867 km (0.06 R)
• M12: 7,366,648 km (0.091 R)
• M13: 8,213,970 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.1

Radius: 12.2

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.19 AU - 1.79 AU

Year: 1255 Days

Day: 8.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,873,635 km

• M1: 151,692 km (0.12 R)
• M2: 939,923 km (0.075 R)
• M3: 1,488,948 km (0.087 R)
• M4: 2,453,106 km (0.071 R)
• M5: 2,957,251 km (0.108 R)
• M6: 4,024,183 km (0.102 R)
• M7: 4,899,629 km (0.079 R)
• M8: 6,162,235 km (0.026 R)
• M9: 6,714,551 km (0.119 R)
• M10: 7,760,689 km (0.058 R)
• M11: 11,315,733 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.8

Radius: 9

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.59 AU - 2.65 AU

Year: 2927 Days

Day: 14.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,873,635 km

• M1: 112,348 km (0.094 R)
• M2: 535,560 km (0.092 R)
• M3: 819,198 km (0.074 R)
• M4: 1,546,992 km (0.106 R)
• M5: 2,055,176 km (0.056 R)
• M6: 2,936,157 km (0.108 R)
• M7: 3,367,298 km (0.12 R)
• M8: 4,515,761 km (0.045 R)
• M9: 7,115,473 km (0.118 R)
• M10: 7,629,342 km (0.114 R)
• M11: 9,096,299 km (0.086 R)
• M12: 11,077,573 km (0.084 R)
• M13: 13,668,608 km (0.06 R)
• M14: 14,311,729 km (0.026 R)
• M15: 15,711,666 km (0.054 R)
• M16: 19,763,076 km (0.118 R)
• M17: 20,842,873 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.6

Radius: 13.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.8 AU - 3.84 AU

Year: 5154 Days

Day: 8.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,873,635 km

• M1: 172,486 km (0.054 R)
• M2: 689,197 km (0.109 R)
• M3: 1,291,778 km (0.1 R)
• M4: 1,934,300 km (0.075 R)
• M5: 2,502,174 km (0.096 R)
• M6: 3,014,846 km (0.082 R)
• M7: 3,449,129 km (0.071 R)
• M8: 6,291,488 km (0.096 R)
• M9: 9,422,272 km (0.115 R)
• M10: 13,974,087 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343

Radius: 12.9

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.16 AU - 5.28 AU

Year: 7078 Days

Day: 11.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,873,635 km

• M1: 184,604 km (0.05 R)
• M2: 608,115 km (0.114 R)
• M3: 1,270,834 km (0.084 R)
• M4: 1,903,334 km (0.108 R)
• M5: 3,106,549 km (0.069 R)
• M6: 3,941,904 km (0.065 R)
• M7: 5,413,049 km (0.105 R)
• M8: 7,396,568 km (0.097 R)
• M9: 10,787,054 km (0.114 R)
• M10: 12,296,347 km (0.086 R)
• M11: 14,930,167 km (0.067 R)
• M12: 19,286,905 km (0.032 R)
• M13: 22,375,354 km (0.105 R)
• M14: 23,805,808 km (0.078 R)
• M15: 27,098,757 km (0.102 R)
• M16: 29,782,094 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.5

Radius: 4.8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.02 AU - 8.72 AU

Year: 13811 Days

Day: 18.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,873,635 km

• M1: 61,934 km (0.093 R)
• M2: 311,612 km (0.074 R)
• M3: 488,587 km (0.11 R)
• M4: 672,143 km (0.09 R)
• M5: 1,392,906 km (0.119 R)
• M6: 2,134,014 km (0.119 R)
• M7: 3,186,883 km (0.118 R)
• M8: 3,387,793 km (0.091 R)
• M9: 3,704,791 km (0.044 R)
• M10: 4,325,174 km (0.085 R)
• M11: 5,065,833 km (0.081 R)
• M12: 6,567,795 km (0.116 R)
• M13: 8,648,552 km (0.118 R)
• M14: 10,503,865 km (0.104 R)
• M15: 10,949,367 km (0.112 R)
• M16: 17,382,973 km (0.056 R)
• M17: 17,692,641 km (0.102 R)
• M18: 20,578,683 km (0.105 R)
• M19: 21,630,207 km (0.12 R)
• M20: 22,496,827 km (0.04 R)
• M21: 22,790,637 km (0.053 R)
• M22: 24,530,760 km (0.092 R)
• M23: 27,013,486 km (0.117 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 12,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit