🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.52 AU - 0.82 AU

Year: 354 Days

Day: 27.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 43 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.8

Radius: 13.5

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.96 AU - 2.68 AU

Year: 2282 Days

Day: 9.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,792,738 km

• M1: 168,148 km (0.117 R)
• M2: 874,250 km (0.091 R)
• M3: 1,906,924 km (0.114 R)
• M4: 2,330,585 km (0.072 R)
• M5: 3,087,102 km (0.073 R)
• M6: 3,809,510 km (0.053 R)
• M7: 4,642,321 km (0.098 R)
• M8: 5,067,777 km (0.104 R)
• M9: 6,181,384 km (0.114 R)
• M10: 8,391,393 km (0.06 R)
• M11: 9,233,480 km (0.065 R)
• M12: 9,837,556 km (0.078 R)
• M13: 11,524,721 km (0.104 R)
• M14: 13,219,216 km (0.049 R)
• M15: 15,171,618 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.3

Radius: 9.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.44 AU - 3.14 AU

Year: 3009 Days

Day: 7.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,792,738 km

• M1: 117,434 km (0.108 R)
• M2: 926,908 km (0.12 R)
• M3: 1,397,843 km (0.068 R)
• M4: 1,951,504 km (0.106 R)
• M5: 3,009,610 km (0.088 R)
• M6: 4,208,637 km (0.101 R)
• M7: 4,904,716 km (0.05 R)
• M8: 6,417,599 km (0.081 R)
• M9: 7,397,764 km (0.085 R)
• M10: 8,251,220 km (0.113 R)
• M11: 8,866,815 km (0.08 R)
• M12: 10,409,917 km (0.1 R)
• M13: 10,860,207 km (0.056 R)
• M14: 11,679,255 km (0.113 R)
• M15: 14,476,586 km (0.119 R)
• M16: 15,419,950 km (0.058 R)
• M17: 16,605,663 km (0.09 R)
• M18: 17,220,660 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.2

Radius: 8.5

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.2 AU - 6.58 AU

Year: 9230 Days

Day: 13.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,792,738 km

• M1: 105,766 km (0.12 R)
• M2: 377,585 km (0.096 R)
• M3: 922,869 km (0.12 R)
• M4: 2,186,074 km (0.078 R)
• M5: 2,568,147 km (0.109 R)
• M6: 2,994,501 km (0.114 R)
• M7: 3,375,975 km (0.104 R)
• M8: 5,898,494 km (0.114 R)
• M9: 7,698,157 km (0.06 R)
• M10: 10,524,809 km (0.113 R)
• M11: 10,881,001 km (0.057 R)
• M12: 13,883,879 km (0.111 R)
• M13: 15,296,382 km (0.11 R)
• M14: 19,626,642 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.9

Radius: 5.3

Gravity: 34.88 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.18 AU - 8.12 AU

Year: 12345 Days

Day: 19.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,792,738 km

• M1: 129,851 km (0.112 R)
• M2: 422,016 km (0.064 R)
• M3: 1,083,238 km (0.109 R)
• M4: 1,301,501 km (0.06 R)
• M5: 3,472,615 km (0.107 R)
• M6: 3,720,499 km (0.033 R)
• M7: 5,837,309 km (0.102 R)
• M8: 7,550,504 km (0.077 R)
• M9: 8,846,021 km (0.101 R)
• M10: 9,361,386 km (0.112 R)
• M11: 10,339,008 km (0.064 R)
• M12: 11,383,052 km (0.037 R)
• M13: 14,297,069 km (0.107 R)
• M14: 19,587,448 km (0.092 R)
• M15: 22,759,521 km (0.097 R)
• M16: 25,020,693 km (0.092 R)
• M17: 32,332,588 km (0.084 R)
• M18: 37,657,973 km (0.055 R)
• M19: 45,476,855 km (0.114 R)
• M20: 47,160,430 km (0.103 R)
• M21: 51,632,658 km (0.107 R)
• M22: 54,481,301 km (0.093 R)
• M23: 56,553,979 km (0.114 R)
• M24: 59,579,596 km (0.028 R)
• M25: 61,593,782 km (0.114 R)
• M26: 62,150,735 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.4

Radius: 7.4

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.27 AU - 10.41 AU

Year: 18430 Days

Day: 22.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,792,738 km

• M1: 92,601 km (0.103 R)
• M2: 730,935 km (0.118 R)
• M3: 1,441,375 km (0.118 R)
• M4: 1,938,938 km (0.077 R)
• M5: 2,228,111 km (0.042 R)
• M6: 2,893,821 km (0.075 R)
• M7: 3,599,923 km (0.116 R)
• M8: 4,224,644 km (0.073 R)
• M9: 4,513,667 km (0.12 R)
• M10: 5,386,421 km (0.115 R)
• M11: 5,688,160 km (0.118 R)
• M12: 9,358,394 km (0.073 R)
• M13: 11,493,754 km (0.031 R)
• M14: 12,641,618 km (0.042 R)
• M15: 14,503,813 km (0.11 R)
• M16: 15,014,989 km (0.056 R)
• M17: 17,918,833 km (0.065 R)
• M18: 18,422,529 km (0.093 R)
• M19: 19,458,195 km (0.118 R)
• M20: 21,929,552 km (0.073 R)
• M21: 23,092,376 km (0.079 R)
• M22: 24,602,866 km (0.061 R)
• M23: 29,995,271 km (0.059 R)
• M24: 35,728,459 km (0.084 R)
• M25: 37,064,668 km (0.117 R)
• M26: 38,295,559 km (0.079 R)
• M27: 45,014,448 km (0.119 R)
• M28: 48,488,859 km (0.075 R)
• M29: 59,049,122 km (0.084 R)
• M30: 60,163,776 km (0.081 R)
• M31: 62,052,748 km (0.106 R)
• M32: 63,204,801 km (0.07 R)
• M33: 63,980,765 km (0.093 R)
• M34: 66,346,805 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.2

Radius: 8

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 10.46 AU - 11.52 AU

Year: 23524 Days

Day: 18.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,792,738 km

• M1: 112,049 km (0.09 R)
• M2: 381,923 km (0.097 R)
• M3: 850,165 km (0.093 R)
• M4: 1,683,126 km (0.102 R)
• M5: 1,945,520 km (0.103 R)
• M6: 2,296,926 km (0.074 R)
• M7: 3,500,590 km (0.05 R)
• M8: 3,872,939 km (0.041 R)
• M9: 4,177,072 km (0.05 R)
• M10: 4,663,265 km (0.109 R)
• M11: 5,186,708 km (0.077 R)
• M12: 7,262,977 km (0.119 R)
• M13: 8,921,568 km (0.101 R)
• M14: 9,508,291 km (0.076 R)
• M15: 11,671,925 km (0.05 R)
• M16: 12,115,333 km (0.104 R)
• M17: 19,649,680 km (0.106 R)
• M18: 21,384,417 km (0.074 R)
• M19: 25,682,962 km (0.095 R)
• M20: 32,471,265 km (0.045 R)
• M21: 33,222,097 km (0.079 R)
• M22: 33,729,084 km (0.088 R)
• M23: 34,628,616 km (0.086 R)
• M24: 46,073,451 km (0.094 R)
• M25: 46,704,006 km (0.114 R)
• M26: 55,077,598 km (0.027 R)
• M27: 65,782,223 km (0.066 R)
• M28: 66,181,051 km (0.111 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: 292 - 15,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit