🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.1

Radius: 12.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.13 AU - 1.49 AU

Year: 1000 Days

Day: 11.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,794,765 km

• M1: 161,715 km (0.099 R)
• M2: 609,312 km (0.074 R)
• M3: 1,044,642 km (0.105 R)
• M4: 1,501,364 km (0.081 R)
• M5: 2,123,093 km (0.097 R)
• M6: 2,962,786 km (0.103 R)
• M7: 3,531,707 km (0.103 R)
• M8: 3,935,172 km (0.062 R)
• M9: 4,555,854 km (0.071 R)
• M10: 5,072,864 km (0.109 R)
• M11: 6,909,178 km (0.089 R)
• M12: 7,569,503 km (0.059 R)
• M13: 8,219,805 km (0.106 R)
• M14: 8,934,434 km (0.067 R)
• M15: 9,518,613 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333

Radius: 11

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.53 AU - 2.17 AU

Year: 1678 Days

Day: 10 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,794,765 km

• M1: 137,780 km (0.102 R)
• M2: 501,153 km (0.104 R)
• M3: 1,283,251 km (0.025 R)
• M4: 2,180,090 km (0.109 R)
• M5: 5,390,011 km (0.063 R)
• M6: 6,024,755 km (0.089 R)
• M7: 6,923,838 km (0.073 R)
• M8: 7,520,135 km (0.106 R)
• M9: 8,844,077 km (0.067 R)
• M10: 10,572,830 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.7

Radius: 11.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.79 AU - 2.61 AU

Year: 2176 Days

Day: 10.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,794,765 km

• M1: 144,362 km (0.07 R)
• M2: 536,757 km (0.114 R)
• M3: 1,259,464 km (0.081 R)
• M4: 2,943,189 km (0.098 R)
• M5: 3,943,699 km (0.059 R)
• M6: 4,335,346 km (0.086 R)
• M7: 5,098,744 km (0.107 R)
• M8: 6,965,277 km (0.105 R)
• M9: 8,283,234 km (0.119 R)
• M10: 10,322,253 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.4

Radius: 12

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.02 AU - 2.84 AU

Year: 2526 Days

Day: 12.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,794,765 km

• M1: 149,897 km (0.079 R)
• M2: 995,723 km (0.113 R)
• M3: 2,116,660 km (0.118 R)
• M4: 2,559,470 km (0.038 R)
• M5: 3,200,646 km (0.106 R)
• M6: 5,181,621 km (0.079 R)
• M7: 5,629,069 km (0.059 R)
• M8: 6,348,784 km (0.089 R)
• M9: 8,134,983 km (0.092 R)
• M10: 8,775,860 km (0.12 R)
• M11: 9,931,055 km (0.061 R)
• M12: 10,663,336 km (0.077 R)
• M13: 12,987,638 km (0.104 R)
• M14: 17,599,741 km (0.1 R)
• M15: 19,848,197 km (0.068 R)
• M16: 20,761,940 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.3

Radius: 8.1

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.71 AU - 3.69 AU

Year: 3817 Days

Day: 11.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,794,765 km

• M1: 100,679 km (0.073 R)
• M2: 391,198 km (0.082 R)
• M3: 1,348,774 km (0.073 R)
• M4: 1,728,903 km (0.111 R)
• M5: 2,077,765 km (0.117 R)
• M6: 2,936,008 km (0.041 R)
• M7: 3,355,031 km (0.06 R)
• M8: 4,057,842 km (0.112 R)
• M9: 4,456,371 km (0.108 R)
• M10: 4,803,887 km (0.113 R)
• M11: 5,169,654 km (0.111 R)
• M12: 8,125,558 km (0.117 R)
• M13: 8,457,366 km (0.09 R)
• M14: 9,187,553 km (0.1 R)
• M15: 9,547,785 km (0.055 R)
• M16: 11,957,807 km (0.064 R)
• M17: 12,630,698 km (0.114 R)
• M18: 14,800,914 km (0.065 R)
• M19: 16,146,547 km (0.084 R)
• M20: 19,469,564 km (0.114 R)
• M21: 20,064,515 km (0.085 R)
• M22: 20,739,650 km (0.115 R)
• M23: 21,429,895 km (0.088 R)
• M24: 21,851,312 km (0.111 R)
• M25: 23,296,128 km (0.11 R)
• M26: 23,592,482 km (0.026 R)
• M27: 24,117,271 km (0.06 R)
• M28: 27,431,014 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.4

Radius: 4

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.12 AU - 6.68 AU

Year: 10797 Days

Day: 17.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,794,765 km

• M1: 49,816 km (0.074 R)
• M2: 232,924 km (0.1 R)
• M3: 461,360 km (0.116 R)
• M4: 751,580 km (0.089 R)
• M5: 1,048,083 km (0.102 R)
• M6: 1,438,982 km (0.104 R)
• M7: 1,685,669 km (0.067 R)
• M8: 2,612,876 km (0.109 R)
• M9: 2,945,283 km (0.043 R)
• M10: 3,795,896 km (0.093 R)
• M11: 4,310,962 km (0.06 R)
• M12: 4,632,148 km (0.12 R)
• M13: 5,718,678 km (0.076 R)
• M14: 6,570,488 km (0.08 R)
• M15: 8,241,945 km (0.065 R)
• M16: 8,772,120 km (0.112 R)
• M17: 9,667,314 km (0.059 R)
• M18: 12,258,947 km (0.113 R)
• M19: 13,567,629 km (0.073 R)
• M20: 14,812,433 km (0.114 R)
• M21: 15,436,107 km (0.075 R)
• M22: 18,579,457 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.3

Radius: 7.9

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.68 AU - 12.38 AU

Year: 22786 Days

Day: 21 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,794,765 km

• M1: 99,782 km (0.105 R)
• M2: 459,116 km (0.098 R)
• M3: 781,350 km (0.095 R)
• M4: 1,295,218 km (0.076 R)
• M5: 2,194,750 km (0.111 R)
• M6: 2,671,818 km (0.112 R)
• M7: 3,242,833 km (0.078 R)
• M8: 3,892,537 km (0.09 R)
• M9: 5,874,858 km (0.049 R)
• M10: 6,577,220 km (0.078 R)
• M11: 6,971,111 km (0.117 R)
• M12: 8,148,297 km (0.108 R)
• M13: 10,830,886 km (0.107 R)
• M14: 20,780,042 km (0.112 R)
• M15: 23,799,824 km (0.12 R)
• M16: 25,681,167 km (0.097 R)
• M17: 26,329,674 km (0.096 R)
• M18: 26,768,145 km (0.102 R)
• M19: 29,150,043 km (0.106 R)
• M20: 29,501,448 km (0.088 R)
• M21: 31,793,138 km (0.054 R)
• M22: 33,300,187 km (0.105 R)
• M23: 33,941,962 km (0.104 R)
• M24: 39,376,404 km (0.109 R)
• M25: 41,260,290 km (0.034 R)
• M26: 41,703,398 km (0.112 R)
• M27: 42,000,649 km (0.057 R)
• M28: 43,966,814 km (0.106 R)
• M29: 46,310,863 km (0.111 R)
• M30: 49,066,755 km (0.108 R)
• M31: 55,438,877 km (0.077 R)
• M32: 58,729,282 km (0.103 R)
• M33: 59,289,974 km (0.047 R)
• M34: 60,232,441 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 17,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit