🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.5

Radius: 8.3

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.53 AU - 0.79 AU

Year: 364 Days

Day: 11.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,172,891 km

• M1: 103,223 km (0.037 R)
• M2: 449,542 km (0.096 R)
• M3: 712,235 km (0.086 R)
• M4: 1,071,869 km (0.119 R)
• M5: 1,383,332 km (0.119 R)
• M6: 1,675,646 km (0.094 R)
• M7: 2,396,408 km (0.085 R)
• M8: 2,873,775 km (0.08 R)
• M9: 3,196,458 km (0.111 R)
• M10: 3,627,898 km (0.106 R)
• M11: 3,902,410 km (0.113 R)
• M12: 4,409,547 km (0.105 R)
• M13: 4,693,633 km (0.069 R)
• M14: 5,283,198 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.3

Radius: 9.3

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.66 AU - 1.04 AU

Year: 532 Days

Day: 11.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,172,891 km

• M1: 115,639 km (0.037 R)
• M2: 411,693 km (0.102 R)
• M3: 729,589 km (0.077 R)
• M4: 1,032,824 km (0.065 R)
• M5: 1,490,743 km (0.107 R)
• M6: 2,071,332 km (0.086 R)
• M7: 2,375,764 km (0.108 R)
• M8: 2,731,508 km (0.064 R)
• M9: 3,217,252 km (0.083 R)
• M10: 3,615,332 km (0.086 R)
• M11: 4,787,880 km (0.066 R)
• M12: 5,125,373 km (0.036 R)
• M13: 6,122,293 km (0.045 R)
• M14: 6,676,703 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.9

Radius: 9

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.72 AU - 1.08 AU

Year: 579 Days

Day: 9.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,172,891 km

• M1: 111,899 km (0.075 R)
• M2: 559,346 km (0.095 R)
• M3: 899,233 km (0.105 R)
• M4: 1,320,351 km (0.055 R)
• M5: 1,789,639 km (0.079 R)
• M6: 2,161,839 km (0.071 R)
• M7: 2,504,418 km (0.118 R)
• M8: 3,133,327 km (0.116 R)
• M9: 3,690,729 km (0.076 R)
• M10: 3,972,871 km (0.1 R)
• M11: 4,595,796 km (0.092 R)
• M12: 4,891,252 km (0.04 R)
• M13: 5,747,550 km (0.112 R)
• M14: 6,239,727 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.9

Radius: 12.1

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.3 AU - 1.62 AU

Year: 1197 Days

Day: 6 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,172,891 km

• M1: 150,645 km (0.094 R)
• M2: 586,424 km (0.073 R)
• M3: 1,041,351 km (0.086 R)
• M4: 1,440,478 km (0.117 R)
• M5: 2,321,011 km (0.092 R)
• M6: 2,811,094 km (0.093 R)
• M7: 3,340,820 km (0.096 R)
• M8: 4,067,417 km (0.035 R)
• M9: 4,711,286 km (0.104 R)
• M10: 5,422,175 km (0.088 R)
• M11: 6,006,504 km (0.099 R)
• M12: 6,540,569 km (0.099 R)
• M13: 7,526,418 km (0.106 R)
• M14: 10,035,175 km (0.059 R)
• M15: 10,501,771 km (0.081 R)
• M16: 11,048,252 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.5

Radius: 12.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.54 AU - 1.82 AU

Year: 1477 Days

Day: 8.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,172,891 km

• M1: 169,195 km (0.095 R)
• M2: 600,935 km (0.101 R)
• M3: 1,126,622 km (0.102 R)
• M4: 1,592,170 km (0.118 R)
• M5: 2,990,761 km (0.025 R)
• M6: 3,411,879 km (0.07 R)
• M7: 4,740,607 km (0.086 R)
• M8: 7,501,436 km (0.111 R)
• M9: 9,695,288 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.5

Radius: 6.5

Gravity: 22.43 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.44 AU - 8.46 AU

Year: 13792 Days

Day: 22.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,172,891 km

• M1: 81,082 km (0.096 R)
• M2: 555,906 km (0.094 R)
• M3: 1,296,864 km (0.098 R)
• M4: 2,126,983 km (0.074 R)
• M5: 2,434,406 km (0.059 R)
• M6: 3,374,629 km (0.042 R)
• M7: 3,971,225 km (0.071 R)
• M8: 4,374,541 km (0.057 R)
• M9: 4,669,398 km (0.115 R)
• M10: 6,184,077 km (0.098 R)
• M11: 7,809,009 km (0.073 R)
• M12: 13,042,990 km (0.067 R)
• M13: 15,985,280 km (0.086 R)
• M14: 19,342,257 km (0.098 R)
• M15: 20,048,059 km (0.118 R)
• M16: 24,340,770 km (0.032 R)
• M17: 26,216,728 km (0.068 R)
• M18: 27,409,471 km (0.098 R)
• M19: 27,963,432 km (0.067 R)
• M20: 30,608,024 km (0.063 R)
• M21: 31,808,247 km (0.102 R)
• M22: 32,914,972 km (0.051 R)
• M23: 33,919,971 km (0.114 R)
• M24: 38,696,930 km (0.098 R)
• M25: 39,957,591 km (0.088 R)
• M26: 41,680,660 km (0.099 R)
• M27: 43,602,693 km (0.045 R)
• M28: 47,941,480 km (0.1 R)
• M29: 49,558,184 km (0.091 R)
• M30: 50,545,530 km (0.082 R)
• M31: 51,378,342 km (0.074 R)
• M32: 53,414,069 km (0.043 R)
• M33: 54,104,464 km (0.08 R)
• M34: 56,746,511 km (0.096 R)
• M35: 57,826,907 km (0.033 R)
• M36: 59,288,778 km (0.11 R)
• M37: 61,150,523 km (0.114 R)
• M38: 64,209,949 km (0.058 R)
• M39: 64,794,578 km (0.106 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 18,956 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit