🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.9

Radius: 8.6

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.46 AU - 0.7 AU

Year: 305 Days

Day: 10.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,929,856 km

• M1: 106,962 km (0.08 R)
• M2: 487,988 km (0.069 R)
• M3: 768,335 km (0.118 R)
• M4: 1,071,270 km (0.076 R)
• M5: 1,630,617 km (0.108 R)
• M6: 1,958,535 km (0.028 R)
• M7: 2,883,499 km (0.072 R)
• M8: 3,196,458 km (0.06 R)
• M9: 3,588,703 km (0.1 R)
• M10: 4,012,664 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.4

Radius: 14.8

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.73 AU - 0.85 AU

Year: 485 Days

Day: 14.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,929,856 km

• M1: 184,005 km (0.027 R)
• M2: 674,088 km (0.113 R)
• M3: 1,168,659 km (0.042 R)
• M4: 1,910,215 km (0.115 R)
• M5: 3,200,497 km (0.105 R)
• M6: 3,833,745 km (0.093 R)
• M7: 4,883,323 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.9

Radius: 12.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.61 AU - 1.77 AU

Year: 1516 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,929,856 km

• M1: 151,842 km (0.1 R)
• M2: 672,143 km (0.084 R)
• M3: 1,138,739 km (0.103 R)
• M4: 1,565,691 km (0.088 R)
• M5: 2,015,831 km (0.119 R)
• M6: 2,407,030 km (0.098 R)
• M7: 2,795,984 km (0.044 R)
• M8: 3,315,986 km (0.06 R)
• M9: 3,735,608 km (0.106 R)
• M10: 4,721,010 km (0.118 R)
• M11: 5,525,697 km (0.066 R)
• M12: 5,938,886 km (0.056 R)
• M13: 6,926,381 km (0.107 R)
• M14: 7,433,668 km (0.112 R)
• M15: 7,938,411 km (0.119 R)
• M16: 9,195,781 km (0.109 R)
• M17: 9,903,678 km (0.051 R)
• M18: 10,417,547 km (0.12 R)
• M19: 10,948,919 km (0.054 R)
• M20: 12,211,076 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.3

Radius: 9.3

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.96 AU - 2.68 AU

Year: 2439 Days

Day: 14.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,929,856 km

• M1: 115,789 km (0.077 R)
• M2: 2,106,936 km (0.094 R)
• M3: 2,452,956 km (0.101 R)
• M4: 3,740,545 km (0.057 R)
• M5: 5,913,005 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.5

Radius: 8.3

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.72 AU - 2.96 AU

Year: 3304 Days

Day: 12.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,929,856 km

• M1: 103,223 km (0.105 R)
• M2: 383,419 km (0.038 R)
• M3: 793,916 km (0.097 R)
• M4: 1,144,125 km (0.075 R)
• M5: 1,408,913 km (0.096 R)
• M6: 1,869,824 km (0.063 R)
• M7: 2,241,874 km (0.117 R)
• M8: 2,872,578 km (0.107 R)
• M9: 4,409,846 km (0.071 R)
• M10: 5,072,864 km (0.049 R)
• M11: 6,020,716 km (0.095 R)
• M12: 6,884,943 km (0.091 R)
• M13: 7,257,890 km (0.119 R)
• M14: 10,036,072 km (0.109 R)
• M15: 10,811,438 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.9

Radius: 9.8

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.21 AU - 3.53 AU

Year: 3356 Days

Day: 10.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,929,856 km

• M1: 121,922 km (0.085 R)
• M2: 519,553 km (0.075 R)
• M3: 1,621,043 km (0.11 R)
• M4: 2,562,163 km (0.119 R)
• M5: 3,912,433 km (0.084 R)
• M6: 4,754,370 km (0.076 R)
• M7: 7,399,859 km (0.101 R)
• M8: 8,374,938 km (0.119 R)
• M9: 9,106,770 km (0.053 R)
• M10: 12,466,439 km (0.085 R)
• M11: 18,065,439 km (0.059 R)
• M12: 20,498,349 km (0.079 R)
• M13: 21,060,388 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235

Radius: 13

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.32 AU - 5.42 AU

Year: 6306 Days

Day: 8.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,929,856 km

• M1: 161,715 km (0.097 R)
• M2: 644,168 km (0.073 R)
• M3: 1,108,221 km (0.075 R)
• M4: 2,380,551 km (0.12 R)
• M5: 2,889,632 km (0.072 R)
• M6: 3,413,375 km (0.115 R)
• M7: 4,021,490 km (0.111 R)
• M8: 5,094,406 km (0.112 R)
• M9: 6,587,542 km (0.102 R)
• M10: 7,208,972 km (0.067 R)
• M11: 9,815,565 km (0.111 R)
• M12: 10,585,994 km (0.12 R)
• M13: 11,749,566 km (0.081 R)
• M14: 12,759,352 km (0.118 R)
• M15: 13,726,801 km (0.12 R)
• M16: 16,026,719 km (0.101 R)
• M17: 16,639,771 km (0.093 R)
• M18: 18,031,480 km (0.048 R)
• M19: 18,451,701 km (0.057 R)
• M20: 19,001,622 km (0.119 R)
• M21: 23,374,518 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.9

Radius: 7.6

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.72 AU - 10.28 AU

Year: 21828 Days

Day: 15.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,929,856 km

• M1: 101,128 km (0.081 R)
• M2: 390,750 km (0.055 R)
• M3: 640,728 km (0.099 R)
• M4: 974,032 km (0.089 R)
• M5: 1,214,585 km (0.118 R)
• M6: 1,482,814 km (0.1 R)
• M7: 2,411,518 km (0.027 R)
• M8: 2,666,732 km (0.116 R)
• M9: 3,021,578 km (0.089 R)
• M10: 3,754,009 km (0.067 R)
• M11: 4,654,439 km (0.05 R)
• M12: 5,320,149 km (0.082 R)
• M13: 5,565,938 km (0.11 R)
• M14: 8,337,688 km (0.102 R)
• M15: 10,324,347 km (0.108 R)
• M16: 12,073,147 km (0.073 R)
• M17: 13,952,545 km (0.052 R)
• M18: 14,421,684 km (0.062 R)
• M19: 16,146,547 km (0.068 R)
• M20: 20,976,015 km (0.087 R)
• M21: 23,265,012 km (0.054 R)
• M22: 23,841,413 km (0.064 R)
• M23: 31,321,456 km (0.08 R)
• M24: 33,046,469 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351

Radius: 4.1

Gravity: 20.88 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.57 AU - 10.55 AU

Year: 22025 Days

Day: 20.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,929,856 km

• M1: 51,013 km (0.09 R)
• M2: 468,541 km (0.088 R)
• M3: 809,923 km (0.078 R)
• M4: 2,237,236 km (0.085 R)
• M5: 4,019,246 km (0.119 R)
• M6: 5,031,425 km (0.028 R)
• M7: 7,452,667 km (0.11 R)
• M8: 9,655,346 km (0.061 R)
• M9: 17,058,645 km (0.054 R)
• M10: 29,097,085 km (0.059 R)
• M11: 29,670,344 km (0.106 R)
• M12: 29,901,772 km (0.069 R)
• M13: 31,435,300 km (0.037 R)
• M14: 38,504,996 km (0.043 R)
• M15: 62,242,887 km (0.092 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: 318 - 16,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit