🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.2

Radius: 11.1

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.45 AU - 0.61 AU

Year: 271 Days

Day: 13.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,222,790 km

• M1: 138,079 km (0.09 R)
• M2: 484,398 km (0.056 R)
• M3: 904,319 km (0.081 R)
• M4: 1,257,370 km (0.11 R)
• M5: 1,770,491 km (0.064 R)
• M6: 2,281,966 km (0.057 R)
• M7: 2,661,496 km (0.111 R)
• M8: 3,399,761 km (0.084 R)
• M9: 3,760,741 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.7

Radius: 10

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.49 AU - 0.57 AU

Year: 271 Days

Day: 11.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,222,790 km

• M1: 125,812 km (0.042 R)
• M2: 489,484 km (0.096 R)
• M3: 1,087,427 km (0.114 R)
• M4: 2,052,632 km (0.115 R)
• M5: 2,807,802 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 11.4

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.74 AU - 1.14 AU

Year: 641 Days

Day: 7.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,222,790 km

• M1: 141,819 km (0.077 R)
• M2: 500,554 km (0.044 R)
• M3: 1,069,774 km (0.092 R)
• M4: 1,649,616 km (0.112 R)
• M5: 2,263,266 km (0.089 R)
• M6: 3,000,634 km (0.093 R)
• M7: 3,484,434 km (0.06 R)
• M8: 5,034,567 km (0.101 R)
• M9: 5,850,474 km (0.033 R)
• M10: 6,568,992 km (0.038 R)
• M11: 7,023,470 km (0.063 R)
• M12: 7,498,892 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.4

Radius: 13.9

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.94 AU - 2.02 AU

Year: 1958 Days

Day: 10.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 105.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,222,790 km

• M1: 172,935 km (0.105 R)
• M2: 959,072 km (0.056 R)
• M3: 1,419,833 km (0.086 R)
• M4: 2,066,545 km (0.053 R)
• M5: 3,364,007 km (0.11 R)
• M6: 5,324,787 km (0.118 R)
• M7: 6,066,343 km (0.097 R)
• M8: 8,223,993 km (0.056 R)
• M9: 10,148,869 km (0.077 R)
• M10: 10,888,930 km (0.053 R)
• M11: 12,635,784 km (0.091 R)
• M12: 13,161,770 km (0.116 R)
• M13: 13,660,230 km (0.102 R)
• M14: 14,128,173 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.4

Radius: 13.2

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.05 AU - 2.55 AU

Year: 2452 Days

Day: 11.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,222,790 km

• M1: 170,841 km (0.082 R)
• M2: 594,203 km (0.091 R)
• M3: 1,108,819 km (0.071 R)
• M4: 1,594,863 km (0.108 R)
• M5: 2,250,251 km (0.098 R)
• M6: 2,998,689 km (0.112 R)
• M7: 3,441,050 km (0.061 R)
• M8: 4,045,725 km (0.037 R)
• M9: 4,765,291 km (0.066 R)
• M10: 6,854,275 km (0.108 R)
• M11: 7,414,818 km (0.051 R)
• M12: 7,847,306 km (0.099 R)
• M13: 9,712,492 km (0.06 R)
• M14: 13,107,915 km (0.104 R)
• M15: 14,066,837 km (0.072 R)
• M16: 14,731,800 km (0.053 R)
• M17: 15,467,373 km (0.11 R)
• M18: 16,434,224 km (0.094 R)
• M19: 17,225,596 km (0.113 R)
• M20: 17,712,537 km (0.118 R)
• M21: 18,998,780 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.9

Radius: 14.4

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.03 AU - 4.23 AU

Year: 4861 Days

Day: 11.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,222,790 km

• M1: 179,069 km (0.077 R)
• M2: 744,399 km (0.11 R)
• M3: 1,515,426 km (0.094 R)
• M4: 2,273,738 km (0.053 R)
• M5: 3,087,102 km (0.089 R)
• M6: 3,802,927 km (0.062 R)
• M7: 4,701,412 km (0.063 R)
• M8: 7,248,615 km (0.08 R)
• M9: 8,407,101 km (0.099 R)
• M10: 9,011,776 km (0.109 R)
• M11: 11,090,588 km (0.114 R)
• M12: 11,587,851 km (0.026 R)
• M13: 14,407,771 km (0.099 R)
• M14: 16,292,854 km (0.118 R)
• M15: 17,174,733 km (0.068 R)
• M16: 18,212,494 km (0.093 R)
• M17: 18,842,301 km (0.049 R)
• M18: 20,413,228 km (0.101 R)
• M19: 21,161,666 km (0.047 R)
• M20: 24,415,868 km (0.112 R)
• M21: 26,924,026 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.2

Radius: 10.1

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.06 AU - 4.26 AU

Year: 5964 Days

Day: 6.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,222,790 km

• M1: 126,859 km (0.108 R)
• M2: 446,550 km (0.084 R)
• M3: 824,434 km (0.105 R)
• M4: 1,187,957 km (0.109 R)
• M5: 1,518,269 km (0.098 R)
• M6: 3,339,024 km (0.103 R)
• M7: 3,864,711 km (0.086 R)
• M8: 5,198,975 km (0.098 R)
• M9: 6,853,378 km (0.102 R)
• M10: 8,707,194 km (0.116 R)
• M11: 9,045,884 km (0.079 R)
• M12: 9,749,742 km (0.104 R)
• M13: 10,632,669 km (0.099 R)
• M14: 15,988,721 km (0.119 R)
• M15: 17,083,030 km (0.092 R)
• M16: 18,021,158 km (0.072 R)
• M17: 20,220,396 km (0.067 R)
• M18: 24,384,902 km (0.107 R)
• M19: 26,445,912 km (0.114 R)
• M20: 27,248,055 km (0.111 R)
• M21: 30,521,855 km (0.088 R)
• M22: 34,049,074 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.2

Radius: 6.2

Gravity: 21.7 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.55 AU - 5.75 AU

Year: 9440 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 24,222,790 km

• M1: 77,641 km (0.042 R)
• M2: 271,071 km (0.112 R)
• M3: 494,571 km (0.113 R)
• M4: 911,949 km (0.039 R)
• M5: 1,215,632 km (0.091 R)
• M6: 1,418,337 km (0.095 R)
• M7: 2,797,181 km (0.085 R)
• M8: 3,039,679 km (0.105 R)
• M9: 3,248,368 km (0.089 R)
• M10: 4,895,441 km (0.117 R)
• M11: 5,248,791 km (0.076 R)
• M12: 7,112,780 km (0.075 R)
• M13: 7,482,287 km (0.031 R)
• M14: 8,621,924 km (0.115 R)
• M15: 9,042,144 km (0.104 R)
• M16: 9,524,896 km (0.081 R)
• M17: 13,030,274 km (0.066 R)
• M18: 16,163,452 km (0.096 R)
• M19: 18,896,754 km (0.101 R)
• M20: 19,446,377 km (0.101 R)
• M21: 20,087,404 km (0.096 R)
• M22: 20,659,915 km (0.076 R)
• M23: 21,327,420 km (0.09 R)
• M24: 22,095,456 km (0.056 R)
• M25: 23,958,997 km (0.039 R)
• M26: 25,257,955 km (0.079 R)
• M27: 25,637,485 km (0.119 R)
• M28: 28,402,203 km (0.071 R)
• M29: 29,331,355 km (0.094 R)
• M30: 29,961,910 km (0.107 R)
• M31: 30,709,002 km (0.069 R)
• M32: 33,251,268 km (0.082 R)
• M33: 33,936,726 km (0.073 R)
• M34: 34,283,045 km (0.12 R)
• M35: 35,930,267 km (0.094 R)
• M36: 43,725,662 km (0.083 R)
• M37: 49,258,390 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.6

Radius: 4.3

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.83 AU - 6.61 AU

Year: 9616 Days

Day: 20 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,222,790 km

• M1: 53,556 km (0.077 R)
• M2: 667,655 km (0.082 R)
• M3: 1,181,075 km (0.097 R)
• M4: 2,810,794 km (0.063 R)
• M5: 4,096,588 km (0.064 R)
• M6: 4,482,551 km (0.12 R)
• M7: 5,274,073 km (0.094 R)
• M8: 6,359,705 km (0.09 R)
• M9: 17,207,196 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: 164 - 19,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit