🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.2

Radius: 8.7

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.93 AU - 1.49 AU

Year: 873 Days

Day: 9.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,975,555 km

• M1: 108,309 km (0.074 R)
• M2: 438,172 km (0.082 R)
• M3: 753,824 km (0.085 R)
• M4: 1,132,456 km (0.085 R)
• M5: 1,566,589 km (0.047 R)
• M6: 1,926,970 km (0.097 R)
• M7: 2,362,450 km (0.089 R)
• M8: 2,748,113 km (0.115 R)
• M9: 3,040,427 km (0.1 R)
• M10: 3,564,917 km (0.104 R)
• M11: 3,957,013 km (0.099 R)
• M12: 4,712,483 km (0.099 R)
• M13: 5,290,828 km (0.096 R)
• M14: 6,507,358 km (0.085 R)
• M15: 7,094,529 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.2

Radius: 12.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.32 AU - 1.58 AU

Year: 1145 Days

Day: 14 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,975,555 km

• M1: 158,574 km (0.081 R)
• M2: 712,535 km (0.086 R)
• M3: 1,148,014 km (0.05 R)
• M4: 1,708,856 km (0.097 R)
• M5: 2,376,362 km (0.118 R)
• M6: 3,065,111 km (0.103 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433

Radius: 3

Gravity: 48.11 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.34 AU - 8.3 AU

Year: 14346 Days

Day: 24.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 20,975,555 km

• M1: 37,250 km (0.099 R)
• M2: 190,139 km (0.048 R)
• M3: 443,258 km (0.034 R)
• M4: 571,613 km (0.085 R)
• M5: 715,826 km (0.053 R)
• M6: 815,757 km (0.083 R)
• M7: 924,814 km (0.12 R)
• M8: 1,506,301 km (0.084 R)
• M9: 2,074,324 km (0.114 R)
• M10: 2,184,428 km (0.101 R)
• M11: 2,497,237 km (0.115 R)
• M12: 3,044,466 km (0.108 R)
• M13: 4,897,984 km (0.102 R)
• M14: 5,362,784 km (0.118 R)
• M15: 6,113,915 km (0.063 R)
• M16: 6,456,345 km (0.05 R)
• M17: 7,137,913 km (0.097 R)
• M18: 7,474,658 km (0.082 R)
• M19: 8,455,122 km (0.072 R)
• M20: 10,239,376 km (0.038 R)
• M21: 11,501,832 km (0.1 R)
• M22: 13,873,258 km (0.025 R)
• M23: 16,046,915 km (0.106 R)
• M24: 17,514,919 km (0.071 R)
• M25: 19,149,874 km (0.11 R)
• M26: 20,378,222 km (0.092 R)
• M27: 21,832,612 km (0.119 R)
• M28: 28,343,112 km (0.069 R)
• M29: 29,397,926 km (0.102 R)
• M30: 30,478,472 km (0.079 R)
• M31: 31,697,545 km (0.039 R)
• M32: 32,833,591 km (0.112 R)
• M33: 34,350,513 km (0.071 R)
• M34: 39,051,627 km (0.039 R)
• M35: 40,224,623 km (0.055 R)
• M36: 44,867,842 km (0.087 R)
• M37: 49,099,966 km (0.115 R)
• M38: 49,855,435 km (0.111 R)
• M39: 50,618,833 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.2

Radius: 7.7

Gravity: 15.37 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.64 AU - 8.4 AU

Year: 14899 Days

Day: 19 Hours

Environment

Temp: -228 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 20,975,555 km

• M1: 96,042 km (0.084 R)
• M2: 361,578 km (0.083 R)
• M3: 867,668 km (0.115 R)
• M4: 1,805,497 km (0.067 R)
• M5: 2,121,896 km (0.045 R)
• M6: 3,435,066 km (0.072 R)
• M7: 4,425,255 km (0.096 R)
• M8: 4,794,163 km (0.08 R)
• M9: 5,111,161 km (0.068 R)
• M10: 5,479,920 km (0.114 R)
• M11: 6,479,533 km (0.11 R)
• M12: 7,316,981 km (0.096 R)
• M13: 7,978,802 km (0.112 R)
• M14: 10,146,924 km (0.081 R)
• M15: 14,199,680 km (0.08 R)
• M16: 18,182,424 km (0.079 R)
• M17: 18,954,948 km (0.064 R)
• M18: 23,954,658 km (0.114 R)
• M19: 24,467,330 km (0.056 R)
• M20: 26,700,976 km (0.091 R)
• M21: 27,474,696 km (0.037 R)
• M22: 33,188,437 km (0.105 R)
• M23: 34,600,940 km (0.066 R)
• M24: 38,098,239 km (0.118 R)
• M25: 38,376,791 km (0.095 R)
• M26: 41,089,748 km (0.056 R)
• M27: 44,080,808 km (0.082 R)
• M28: 58,788,223 km (0.12 R)
• M29: 65,325,201 km (0.055 R)
• M30: 65,924,341 km (0.107 R)
• M31: 68,562,499 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369

Radius: 7.2

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 8.75 AU - 9.45 AU

Year: 18008 Days

Day: 23.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,975,555 km

• M1: 89,609 km (0.096 R)
• M2: 478,713 km (0.117 R)
• M3: 958,174 km (0.094 R)
• M4: 3,032,947 km (0.039 R)
• M5: 3,534,998 km (0.113 R)
• M6: 5,272,278 km (0.11 R)
• M7: 5,997,827 km (0.05 R)
• M8: 8,194,074 km (0.067 R)
• M9: 8,573,903 km (0.09 R)
• M10: 8,817,298 km (0.077 R)
• M11: 11,162,096 km (0.088 R)
• M12: 13,893,154 km (0.078 R)
• M13: 16,510,369 km (0.036 R)
• M14: 18,778,722 km (0.062 R)
• M15: 21,069,963 km (0.097 R)
• M16: 27,337,365 km (0.104 R)
• M17: 33,405,653 km (0.106 R)
• M18: 37,394,531 km (0.098 R)
• M19: 39,101,891 km (0.111 R)
• M20: 41,550,809 km (0.073 R)
• M21: 43,668,217 km (0.086 R)
• M22: 44,534,987 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.3

Radius: 4.7

Gravity: 22.51 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.05 AU - 11.19 AU

Year: 19574 Days

Day: 19.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 20,975,555 km

• M1: 58,493 km (0.059 R)
• M2: 324,179 km (0.085 R)
• M3: 621,878 km (0.077 R)
• M4: 1,110,764 km (0.106 R)
• M5: 1,413,849 km (0.086 R)
• M6: 3,174,616 km (0.053 R)
• M7: 3,842,421 km (0.089 R)
• M8: 7,368,144 km (0.114 R)
• M9: 8,376,733 km (0.077 R)
• M10: 10,663,935 km (0.076 R)
• M11: 11,386,792 km (0.091 R)
• M12: 21,049,617 km (0.117 R)
• M13: 21,992,233 km (0.107 R)
• M14: 28,929,386 km (0.109 R)
• M15: 33,265,331 km (0.096 R)
• M16: 36,384,745 km (0.111 R)
• M17: 37,739,952 km (0.118 R)
• M18: 41,566,816 km (0.058 R)
• M19: 44,104,444 km (0.114 R)
• M20: 44,409,624 km (0.041 R)
• M21: 46,743,500 km (0.104 R)
• M22: 46,901,924 km (0.073 R)
• M23: 47,539,211 km (0.113 R)
• M24: 51,484,855 km (0.118 R)
• M25: 56,357,407 km (0.085 R)
• M26: 58,169,486 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 13.5

Radius: 3

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.3 AU - 10.62 AU

Year: 20620 Days

Day: 22 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,975,555 km

• M1: 62,981 km (0.112 R)
• M2: 547,977 km (0.096 R)
• M3: 723,455 km (0.116 R)
• M4: 874,848 km (0.119 R)
• M5: 1,417,889 km (0.117 R)
• M6: 1,970,802 km (0.066 R)
• M7: 3,935,322 km (0.09 R)
• M8: 6,029,692 km (0.068 R)
• M9: 7,468,225 km (0.096 R)
• M10: 11,837,231 km (0.1 R)
• M11: 12,805,428 km (0.102 R)
• M12: 18,102,838 km (0.073 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 18,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit