🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.7

Radius: 13

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.81 AU - 1.05 AU

Year: 630 Days

Day: 12.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,244,986 km

• M1: 163,361 km (0.102 R)
• M2: 751,879 km (0.057 R)
• M3: 1,191,098 km (0.075 R)
• M4: 1,823,448 km (0.068 R)
• M5: 2,334,176 km (0.104 R)
• M6: 3,465,135 km (0.027 R)
• M7: 4,242,745 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.2

Radius: 9.1

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.56 AU - 2.04 AU

Year: 1698 Days

Day: 11.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,244,986 km

• M1: 117,434 km (0.108 R)
• M2: 420,370 km (0.059 R)
• M3: 832,063 km (0.11 R)
• M4: 1,224,309 km (0.064 R)
• M5: 1,814,173 km (0.114 R)
• M6: 3,055,237 km (0.104 R)
• M7: 4,845,176 km (0.089 R)
• M8: 5,257,168 km (0.088 R)
• M9: 5,799,760 km (0.073 R)
• M10: 6,129,474 km (0.115 R)
• M11: 6,518,129 km (0.084 R)
• M12: 6,996,543 km (0.11 R)
• M13: 8,489,380 km (0.104 R)
• M14: 9,535,219 km (0.107 R)
• M15: 11,194,558 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.6

Radius: 13.6

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.83 AU - 2.07 AU

Year: 1914 Days

Day: 12.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,244,986 km

• M1: 169,644 km (0.054 R)
• M2: 602,131 km (0.076 R)
• M3: 1,367,025 km (0.103 R)
• M4: 2,113,818 km (0.041 R)
• M5: 2,794,189 km (0.098 R)
• M6: 3,285,169 km (0.03 R)
• M7: 3,971,674 km (0.112 R)
• M8: 4,634,841 km (0.072 R)
• M9: 5,264,199 km (0.082 R)
• M10: 5,835,514 km (0.045 R)
• M11: 7,181,595 km (0.066 R)
• M12: 7,802,277 km (0.086 R)
• M13: 8,255,110 km (0.12 R)
• M14: 8,936,827 km (0.08 R)
• M15: 10,858,412 km (0.088 R)
• M16: 12,233,815 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.3

Radius: 13.4

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.06 AU - 2.36 AU

Year: 2309 Days

Day: 10.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 110.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,244,986 km

• M1: 167,250 km (0.049 R)
• M2: 592,258 km (0.067 R)
• M3: 1,128,267 km (0.082 R)
• M4: 2,077,765 km (0.09 R)
• M5: 2,504,418 km (0.115 R)
• M6: 3,019,334 km (0.065 R)
• M7: 3,491,315 km (0.085 R)
• M8: 5,129,412 km (0.034 R)
• M9: 8,171,335 km (0.114 R)
• M10: 11,190,370 km (0.029 R)
• M11: 13,507,641 km (0.12 R)

Asteroid Belt

Center: 3.16 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512

Radius: 13.5

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.41 AU - 4.81 AU

Year: 5857 Days

Day: 10.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,244,986 km

• M1: 167,849 km (0.085 R)
• M2: 613,202 km (0.099 R)
• M3: 1,078,750 km (0.112 R)
• M4: 1,677,142 km (0.067 R)
• M5: 2,575,627 km (0.038 R)
• M6: 3,096,377 km (0.036 R)
• M7: 4,575,152 km (0.12 R)
• M8: 6,045,998 km (0.091 R)
• M9: 6,907,382 km (0.066 R)
• M10: 9,276,115 km (0.045 R)
• M11: 9,732,089 km (0.119 R)
• M12: 10,510,746 km (0.077 R)
• M13: 11,377,217 km (0.118 R)
• M14: 11,900,361 km (0.062 R)
• M15: 14,319,059 km (0.112 R)
• M16: 14,929,419 km (0.115 R)
• M17: 15,906,742 km (0.117 R)
• M18: 18,053,022 km (0.091 R)
• M19: 18,634,808 km (0.044 R)
• M20: 21,087,914 km (0.075 R)
• M21: 23,980,688 km (0.099 R)
• M22: 24,842,372 km (0.118 R)
• M23: 26,710,401 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867

Radius: 13.9

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.15 AU - 6.49 AU

Year: 8625 Days

Day: 13.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,244,986 km

• M1: 174,730 km (0.109 R)
• M2: 706,102 km (0.089 R)
• M3: 1,167,761 km (0.087 R)
• M4: 2,621,553 km (0.114 R)
• M5: 3,191,072 km (0.1 R)
• M6: 3,920,511 km (0.114 R)
• M7: 4,699,318 km (0.118 R)
• M8: 5,317,307 km (0.114 R)
• M9: 6,716,645 km (0.092 R)
• M10: 7,260,583 km (0.1 R)
• M11: 9,544,045 km (0.068 R)
• M12: 12,386,105 km (0.094 R)
• M13: 13,087,121 km (0.107 R)
• M14: 15,683,990 km (0.074 R)
• M15: 16,997,011 km (0.119 R)
• M16: 22,045,939 km (0.093 R)
• M17: 24,138,813 km (0.109 R)
• M18: 26,648,318 km (0.119 R)
• M19: 28,515,299 km (0.11 R)
• M20: 29,842,082 km (0.119 R)
• M21: 35,330,380 km (0.119 R)
• M22: 40,052,436 km (0.063 R)
• M23: 42,761,803 km (0.041 R)
• M24: 46,701,164 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.9

Radius: 7.8

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.27 AU - 6.27 AU

Year: 9743 Days

Day: 18.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,244,986 km

• M1: 96,939 km (0.052 R)
• M2: 439,818 km (0.117 R)
• M3: 743,651 km (0.107 R)
• M4: 1,170,155 km (0.072 R)
• M5: 1,680,433 km (0.067 R)
• M6: 2,272,242 km (0.084 R)
• M7: 2,560,816 km (0.091 R)
• M8: 4,013,112 km (0.062 R)
• M9: 5,561,151 km (0.042 R)
• M10: 7,115,473 km (0.103 R)
• M11: 7,405,693 km (0.071 R)
• M12: 8,253,315 km (0.062 R)
• M13: 10,384,785 km (0.053 R)
• M14: 14,538,220 km (0.115 R)
• M15: 18,812,231 km (0.026 R)
• M16: 19,058,021 km (0.059 R)
• M17: 22,176,239 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.9

Radius: 6.9

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.18 AU - 7.42 AU

Year: 12464 Days

Day: 24.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,244,986 km

• M1: 87,216 km (0.07 R)
• M2: 305,628 km (0.064 R)
• M3: 1,382,584 km (0.064 R)
• M4: 2,052,184 km (0.104 R)
• M5: 2,330,136 km (0.094 R)
• M6: 2,856,721 km (0.111 R)
• M7: 3,855,287 km (0.119 R)
• M8: 5,881,739 km (0.085 R)
• M9: 8,055,097 km (0.079 R)
• M10: 9,250,833 km (0.079 R)
• M11: 12,267,624 km (0.106 R)
• M12: 16,016,696 km (0.098 R)
• M13: 16,627,654 km (0.11 R)
• M14: 20,544,425 km (0.108 R)
• M15: 20,942,954 km (0.117 R)
• M16: 21,509,481 km (0.109 R)
• M17: 25,125,860 km (0.096 R)
• M18: 32,771,358 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.5

Radius: 7.3

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.05 AU - 9.03 AU

Year: 14553 Days

Day: 15.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,244,986 km

• M1: 92,003 km (0.071 R)
• M2: 1,439,281 km (0.108 R)
• M3: 4,463,252 km (0.086 R)
• M4: 5,437,583 km (0.111 R)
• M5: 6,284,008 km (0.098 R)
• M6: 7,545,567 km (0.117 R)
• M7: 8,920,671 km (0.092 R)
• M8: 10,455,246 km (0.057 R)
• M9: 11,422,994 km (0.067 R)
• M10: 16,954,974 km (0.06 R)
• M11: 20,415,621 km (0.075 R)
• M12: 21,243,945 km (0.028 R)
• M13: 22,615,608 km (0.075 R)
• M14: 24,411,979 km (0.029 R)
• M15: 28,388,141 km (0.045 R)
• M16: 37,349,053 km (0.108 R)
• M17: 41,536,896 km (0.055 R)
• M18: 42,865,175 km (0.112 R)
• M19: 45,886,753 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.3

Radius: 6.2

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.36 AU - 10.14 AU

Year: 18194 Days

Day: 18.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,244,986 km

• M1: 77,043 km (0.098 R)
• M2: 394,190 km (0.104 R)
• M3: 639,232 km (0.039 R)
• M4: 881,281 km (0.109 R)
• M5: 1,147,416 km (0.116 R)
• M6: 1,423,573 km (0.064 R)
• M7: 1,679,236 km (0.098 R)
• M8: 1,877,902 km (0.102 R)
• M9: 2,264,014 km (0.086 R)
• M10: 2,859,414 km (0.049 R)
• M11: 3,218,748 km (0.044 R)
• M12: 4,027,773 km (0.081 R)
• M13: 6,390,073 km (0.054 R)
• M14: 6,837,071 km (0.064 R)
• M15: 8,590,807 km (0.099 R)
• M16: 8,835,400 km (0.107 R)
• M17: 11,135,318 km (0.11 R)
• M18: 12,641,319 km (0.115 R)
• M19: 12,958,168 km (0.046 R)
• M20: 13,215,326 km (0.082 R)
• M21: 16,648,597 km (0.099 R)
• M22: 17,571,915 km (0.107 R)
• M23: 21,338,939 km (0.12 R)
• M24: 22,519,865 km (0.088 R)
• M25: 23,552,689 km (0.059 R)
• M26: 25,813,561 km (0.071 R)
• M27: 32,149,031 km (0.119 R)
• M28: 32,977,355 km (0.06 R)
• M29: 42,058,843 km (0.08 R)
• M30: 45,965,143 km (0.081 R)
• M31: 52,837,669 km (0.094 R)
• M32: 53,659,410 km (0.06 R)
• M33: 54,992,028 km (0.114 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 10,510 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit