🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.1

Radius: 8

Gravity: 14.56 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.62 AU - 0.82 AU

Year: 394 Days

Day: 5.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,238,485 km

• M1: 99,483 km (0.109 R)
• M2: 363,672 km (0.072 R)
• M3: 732,282 km (0.087 R)
• M4: 1,085,183 km (0.1 R)
• M5: 1,427,164 km (0.117 R)
• M6: 1,970,204 km (0.093 R)
• M7: 2,230,355 km (0.044 R)
• M8: 2,757,687 km (0.11 R)
• M9: 3,188,379 km (0.086 R)
• M10: 3,766,126 km (0.09 R)
• M11: 4,073,400 km (0.115 R)
• M12: 4,455,473 km (0.054 R)
• M13: 4,923,416 km (0.086 R)
• M14: 5,307,882 km (0.112 R)
• M15: 5,799,012 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.2

Radius: 14.4

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.71 AU - 1.17 AU

Year: 588 Days

Day: 6.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,238,485 km

• M1: 182,061 km (0.097 R)
• M2: 748,289 km (0.084 R)
• M3: 1,385,127 km (0.095 R)
• M4: 2,596,121 km (0.107 R)
• M5: 3,786,920 km (0.087 R)
• M6: 4,554,507 km (0.11 R)
• M7: 5,035,913 km (0.109 R)
• M8: 6,102,247 km (0.084 R)
• M9: 6,794,436 km (0.097 R)
• M10: 7,515,947 km (0.107 R)
• M11: 8,001,392 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.2

Radius: 12.9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.8 AU - 1.18 AU

Year: 636 Days

Day: 8.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,238,485 km

• M1: 160,519 km (0.107 R)
• M2: 859,739 km (0.094 R)
• M3: 1,554,322 km (0.101 R)
• M4: 3,511,511 km (0.086 R)
• M5: 4,580,687 km (0.078 R)
• M6: 5,606,629 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.6

Radius: 10.4

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.82 AU - 1.18 AU

Year: 646 Days

Day: 10.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,238,485 km

• M1: 129,402 km (0.081 R)
• M2: 610,659 km (0.057 R)
• M3: 1,193,043 km (0.088 R)
• M4: 1,728,753 km (0.071 R)
• M5: 2,187,270 km (0.117 R)
• M6: 2,829,644 km (0.073 R)
• M7: 3,891,489 km (0.046 R)
• M8: 4,602,827 km (0.069 R)
• M9: 5,254,027 km (0.056 R)
• M10: 5,602,141 km (0.113 R)
• M11: 6,365,240 km (0.051 R)
• M12: 6,976,497 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.2

Radius: 13.8

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.73 AU - 6.15 AU

Year: 9347 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,238,485 km

• M1: 172,636 km (0.115 R)
• M2: 806,333 km (0.104 R)
• M3: 1,503,010 km (0.056 R)
• M4: 2,582,508 km (0.091 R)
• M5: 3,716,759 km (0.088 R)
• M6: 4,873,300 km (0.074 R)
• M7: 5,801,106 km (0.077 R)
• M8: 9,520,408 km (0.068 R)
• M9: 10,582,254 km (0.112 R)
• M10: 19,894,422 km (0.114 R)
• M11: 20,635,829 km (0.083 R)
• M12: 23,622,401 km (0.047 R)
• M13: 24,369,792 km (0.044 R)
• M14: 24,876,929 km (0.099 R)
• M15: 29,380,423 km (0.106 R)
• M16: 30,830,924 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.8

Radius: 6.7

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.33 AU - 6.89 AU

Year: 10973 Days

Day: 19.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,238,485 km

• M1: 85,420 km (0.068 R)
• M2: 294,409 km (0.116 R)
• M3: 549,473 km (0.039 R)
• M4: 1,003,652 km (0.061 R)
• M5: 1,494,034 km (0.075 R)
• M6: 1,923,230 km (0.119 R)
• M7: 2,167,224 km (0.077 R)
• M8: 2,413,462 km (0.094 R)
• M9: 2,838,470 km (0.108 R)
• M10: 3,156,216 km (0.12 R)
• M11: 4,253,516 km (0.118 R)
• M12: 5,982,568 km (0.073 R)
• M13: 6,293,134 km (0.054 R)
• M14: 7,097,372 km (0.091 R)
• M15: 8,133,935 km (0.091 R)
• M16: 8,515,111 km (0.049 R)
• M17: 10,652,864 km (0.049 R)
• M18: 11,631,982 km (0.098 R)
• M19: 15,954,164 km (0.116 R)
• M20: 20,223,239 km (0.056 R)
• M21: 20,454,666 km (0.052 R)
• M22: 20,766,129 km (0.109 R)
• M23: 23,712,758 km (0.09 R)
• M24: 27,583,753 km (0.093 R)
• M25: 34,862,886 km (0.104 R)
• M26: 37,819,838 km (0.09 R)
• M27: 38,053,958 km (0.065 R)
• M28: 40,448,871 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.5

Radius: 3.4

Gravity: 47.62 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.76 AU - 10.96 AU

Year: 17028 Days

Day: 23.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 36,238,485 km

• M1: 42,336 km (0.088 R)
• M2: 166,353 km (0.097 R)
• M3: 283,338 km (0.09 R)
• M4: 535,261 km (0.093 R)
• M5: 815,009 km (0.067 R)
• M6: 1,607,130 km (0.096 R)
• M7: 2,345,246 km (0.06 R)
• M8: 3,029,955 km (0.035 R)
• M9: 3,723,042 km (0.092 R)
• M10: 3,867,554 km (0.107 R)
• M11: 4,198,763 km (0.11 R)
• M12: 4,323,827 km (0.114 R)
• M13: 5,714,190 km (0.086 R)
• M14: 7,651,632 km (0.068 R)
• M15: 11,254,697 km (0.084 R)
• M16: 12,691,135 km (0.04 R)
• M17: 13,085,027 km (0.077 R)
• M18: 14,245,158 km (0.107 R)
• M19: 17,482,456 km (0.106 R)
• M20: 17,888,016 km (0.112 R)
• M21: 19,313,983 km (0.106 R)
• M22: 23,157,900 km (0.119 R)
• M23: 28,251,109 km (0.116 R)
• M24: 29,261,044 km (0.09 R)
• M25: 31,471,951 km (0.107 R)
• M26: 32,071,689 km (0.085 R)
• M27: 37,014,104 km (0.092 R)
• M28: 38,494,524 km (0.116 R)
• M29: 40,013,990 km (0.069 R)
• M30: 43,615,110 km (0.065 R)
• M31: 45,876,281 km (0.105 R)
• M32: 46,183,555 km (0.083 R)
• M33: 47,740,570 km (0.112 R)
• M34: 48,372,920 km (0.061 R)
• M35: 50,794,461 km (0.113 R)
• M36: 55,528,336 km (0.057 R)
• M37: 58,001,937 km (0.096 R)
• M38: 58,721,951 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.7

Radius: 7.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.75 AU - 11.57 AU

Year: 20910 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,238,485 km

• M1: 98,286 km (0.1 R)
• M2: 346,169 km (0.104 R)
• M3: 2,019,422 km (0.098 R)
• M4: 3,282,925 km (0.099 R)
• M5: 3,826,564 km (0.103 R)
• M6: 8,545,778 km (0.095 R)
• M7: 17,182,811 km (0.11 R)
• M8: 17,513,872 km (0.052 R)
• M9: 24,642,958 km (0.106 R)
• M10: 30,115,697 km (0.08 R)
• M11: 32,777,342 km (0.09 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 10,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit