🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.6

Radius: 8.5

Gravity: 12.85 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.74 AU - 1.02 AU

Year: 542 Days

Day: 7.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,720,984 km

• M1: 105,915 km (0.1 R)
• M2: 374,743 km (0.106 R)
• M3: 640,877 km (0.058 R)
• M4: 1,104,780 km (0.042 R)
• M5: 1,995,935 km (0.11 R)
• M6: 2,662,992 km (0.105 R)
• M7: 3,006,618 km (0.109 R)
• M8: 3,289,956 km (0.068 R)
• M9: 3,686,391 km (0.111 R)
• M10: 4,835,153 km (0.035 R)
• M11: 5,208,399 km (0.085 R)
• M12: 5,491,738 km (0.049 R)
• M13: 6,364,641 km (0.09 R)
• M14: 6,751,053 km (0.089 R)
• M15: 7,503,829 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.6

Radius: 12.5

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.74 AU - 1.96 AU

Year: 1651 Days

Day: 8.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,720,984 km

• M1: 158,275 km (0.076 R)
• M2: 613,052 km (0.089 R)
• M3: 1,116,599 km (0.088 R)
• M4: 1,650,513 km (0.113 R)
• M5: 2,041,113 km (0.098 R)
• M6: 2,655,661 km (0.094 R)
• M7: 3,121,509 km (0.088 R)
• M8: 3,590,648 km (0.097 R)
• M9: 4,014,459 km (0.113 R)
• M10: 4,900,377 km (0.083 R)
• M11: 5,840,899 km (0.046 R)
• M12: 6,739,683 km (0.078 R)
• M13: 8,138,274 km (0.059 R)
• M14: 8,969,888 km (0.07 R)
• M15: 10,027,844 km (0.109 R)
• M16: 12,038,290 km (0.098 R)
• M17: 14,174,099 km (0.092 R)
• M18: 14,567,841 km (0.076 R)
• M19: 15,515,394 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.9

Radius: 9.9

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.58 AU - 4.22 AU

Year: 4113 Days

Day: 6.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,720,984 km

• M1: 123,119 km (0.112 R)
• M2: 445,353 km (0.07 R)
• M3: 866,471 km (0.094 R)
• M4: 1,761,365 km (0.107 R)
• M5: 2,121,298 km (0.077 R)
• M6: 2,649,079 km (0.089 R)
• M7: 3,029,207 km (0.116 R)
• M8: 3,722,444 km (0.079 R)
• M9: 4,850,711 km (0.097 R)
• M10: 6,412,363 km (0.101 R)
• M11: 6,833,631 km (0.03 R)
• M12: 8,172,083 km (0.089 R)
• M13: 8,982,903 km (0.092 R)
• M14: 10,059,858 km (0.076 R)
• M15: 10,585,097 km (0.108 R)
• M16: 12,172,928 km (0.083 R)
• M17: 12,618,431 km (0.117 R)
• M18: 13,023,691 km (0.08 R)
• M19: 14,401,039 km (0.116 R)
• M20: 16,285,972 km (0.073 R)
• M21: 16,645,605 km (0.118 R)
• M22: 18,201,274 km (0.038 R)
• M23: 20,400,512 km (0.066 R)
• M24: 24,138,664 km (0.081 R)
• M25: 24,528,216 km (0.073 R)
• M26: 24,921,808 km (0.111 R)
• M27: 26,703,968 km (0.097 R)
• M28: 28,396,518 km (0.092 R)
• M29: 29,181,159 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.5

Radius: 9.7

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.49 AU - 4.09 AU

Year: 4840 Days

Day: 9.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 90 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,720,984 km

• M1: 121,623 km (0.07 R)
• M2: 432,936 km (0.071 R)
• M3: 746,793 km (0.101 R)
• M4: 1,942,229 km (0.054 R)
• M5: 4,185,449 km (0.055 R)
• M6: 5,665,571 km (0.115 R)
• M7: 6,062,903 km (0.102 R)
• M8: 7,041,123 km (0.051 R)
• M9: 9,269,832 km (0.113 R)
• M10: 10,735,442 km (0.083 R)
• M11: 11,703,789 km (0.093 R)
• M12: 22,761,765 km (0.086 R)
• M13: 23,913,968 km (0.103 R)
• M14: 24,578,930 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.4

Radius: 8.1

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.31 AU - 5.15 AU

Year: 6748 Days

Day: 13.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,720,984 km

• M1: 100,679 km (0.051 R)
• M2: 380,727 km (0.033 R)
• M3: 706,401 km (0.048 R)
• M4: 1,040,902 km (0.051 R)
• M5: 1,393,205 km (0.027 R)
• M6: 1,652,757 km (0.051 R)
• M7: 2,596,570 km (0.111 R)
• M8: 2,870,783 km (0.105 R)
• M9: 3,340,969 km (0.099 R)
• M10: 6,678,797 km (0.057 R)
• M11: 7,388,340 km (0.088 R)
• M12: 7,902,059 km (0.08 R)
• M13: 8,439,414 km (0.105 R)
• M14: 9,089,417 km (0.112 R)
• M15: 12,682,459 km (0.027 R)
• M16: 13,534,867 km (0.095 R)
• M17: 14,915,357 km (0.093 R)
• M18: 17,329,118 km (0.113 R)
• M19: 19,691,717 km (0.072 R)
• M20: 20,755,957 km (0.086 R)
• M21: 23,164,781 km (0.088 R)
• M22: 25,398,128 km (0.117 R)
• M23: 25,843,481 km (0.1 R)
• M24: 27,118,204 km (0.083 R)
• M25: 30,188,551 km (0.119 R)
• M26: 30,788,887 km (0.105 R)
• M27: 31,193,550 km (0.025 R)
• M28: 37,582,127 km (0.074 R)
• M29: 38,393,546 km (0.117 R)
• M30: 38,862,385 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.1

Radius: 13.4

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.27 AU - 6.31 AU

Year: 7982 Days

Day: 8.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,720,984 km

• M1: 166,652 km (0.116 R)
• M2: 630,705 km (0.098 R)
• M3: 1,068,578 km (0.049 R)
• M4: 1,656,647 km (0.07 R)
• M5: 2,169,468 km (0.109 R)
• M6: 2,937,055 km (0.114 R)
• M7: 4,066,519 km (0.105 R)
• M8: 4,561,837 km (0.106 R)
• M9: 5,322,991 km (0.071 R)
• M10: 6,522,916 km (0.057 R)
• M11: 6,995,196 km (0.076 R)
• M12: 7,418,110 km (0.116 R)
• M13: 8,161,312 km (0.077 R)
• M14: 9,840,099 km (0.087 R)
• M15: 10,877,411 km (0.106 R)
• M16: 12,491,273 km (0.101 R)
• M17: 13,382,577 km (0.098 R)
• M18: 14,315,768 km (0.084 R)
• M19: 17,633,849 km (0.085 R)
• M20: 18,621,195 km (0.116 R)
• M21: 22,254,927 km (0.064 R)
• M22: 22,711,350 km (0.115 R)
• M23: 24,278,238 km (0.119 R)
• M24: 26,167,959 km (0.097 R)
• M25: 26,676,591 km (0.083 R)
• M26: 27,105,638 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.2

Radius: 7.5

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.16 AU - 7.82 AU

Year: 12123 Days

Day: 17.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,720,984 km

• M1: 93,349 km (0.039 R)
• M2: 509,530 km (0.059 R)
• M3: 839,244 km (0.092 R)
• M4: 1,411,007 km (0.082 R)
• M5: 1,676,543 km (0.064 R)
• M6: 2,703,084 km (0.055 R)
• M7: 4,098,084 km (0.03 R)
• M8: 4,380,076 km (0.071 R)
• M9: 5,046,235 km (0.092 R)
• M10: 5,778,068 km (0.115 R)
• M11: 6,654,861 km (0.103 R)
• M12: 9,327,278 km (0.12 R)
• M13: 9,766,946 km (0.12 R)
• M14: 10,220,377 km (0.032 R)
• M15: 11,060,967 km (0.106 R)
• M16: 11,332,787 km (0.11 R)
• M17: 17,024,537 km (0.085 R)
• M18: 19,594,329 km (0.102 R)
• M19: 23,556,728 km (0.092 R)
• M20: 24,098,123 km (0.111 R)
• M21: 24,647,745 km (0.043 R)
• M22: 25,582,582 km (0.096 R)
• M23: 28,834,840 km (0.073 R)
• M24: 29,767,583 km (0.102 R)
• M25: 31,366,485 km (0.067 R)
• M26: 36,866,750 km (0.105 R)
• M27: 46,552,763 km (0.082 R)
• M28: 47,548,337 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.3

Radius: 4.6

Gravity: 20.15 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.86 AU - 8.02 AU

Year: 13313 Days

Day: 19.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,720,984 km

• M1: 92,152 km (0.054 R)
• M2: 256,112 km (0.087 R)
• M3: 591,211 km (0.095 R)
• M4: 867,817 km (0.101 R)
• M5: 1,120,039 km (0.115 R)
• M6: 1,474,586 km (0.119 R)
• M7: 3,416,965 km (0.071 R)
• M8: 8,422,809 km (0.072 R)
• M9: 11,285,364 km (0.066 R)
• M10: 12,903,564 km (0.087 R)
• M11: 13,331,115 km (0.097 R)
• M12: 15,270,801 km (0.111 R)
• M13: 18,443,921 km (0.119 R)
• M14: 19,618,863 km (0.11 R)
• M15: 22,465,112 km (0.096 R)
• M16: 25,194,974 km (0.105 R)
• M17: 26,443,668 km (0.062 R)
• M18: 28,138,013 km (0.103 R)
• M19: 31,962,333 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157

Radius: 7.1

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.16 AU - 9.7 AU

Year: 17506 Days

Day: 23.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,720,984 km

• M1: 88,263 km (0.099 R)
• M2: 336,296 km (0.068 R)
• M3: 818,450 km (0.046 R)
• M4: 1,644,230 km (0.081 R)
• M5: 2,629,931 km (0.114 R)
• M6: 6,241,074 km (0.065 R)
• M7: 7,475,705 km (0.113 R)
• M8: 7,798,088 km (0.078 R)
• M9: 13,049,273 km (0.03 R)
• M10: 15,306,705 km (0.104 R)
• M11: 17,740,961 km (0.096 R)
• M12: 23,446,773 km (0.101 R)
• M13: 42,480,859 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.9

Radius: 6.3

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.9 AU - 11.36 AU

Year: 22736 Days

Day: 15.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,720,984 km

• M1: 82,428 km (0.097 R)
• M2: 330,163 km (0.041 R)
• M3: 683,662 km (0.096 R)
• M4: 901,776 km (0.099 R)
• M5: 1,257,370 km (0.069 R)
• M6: 3,277,241 km (0.053 R)
• M7: 3,597,679 km (0.069 R)
• M8: 4,523,391 km (0.063 R)
• M9: 8,835,699 km (0.106 R)
• M10: 9,246,944 km (0.088 R)
• M11: 15,667,535 km (0.106 R)
• M12: 21,381,126 km (0.096 R)
• M13: 22,028,436 km (0.065 R)
• M14: 22,404,226 km (0.104 R)
• M15: 23,072,031 km (0.109 R)
• M16: 35,253,187 km (0.105 R)
• M17: 35,638,252 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 11,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit