🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.8

Radius: 9.1

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.62 AU - 0.7 AU

Year: 370 Days

Day: 11.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,119,113 km

• M1: 113,545 km (0.091 R)
• M2: 411,394 km (0.104 R)
• M3: 824,135 km (0.076 R)
• M4: 1,179,878 km (0.116 R)
• M5: 1,849,628 km (0.101 R)
• M6: 2,236,339 km (0.119 R)
• M7: 2,666,881 km (0.112 R)
• M8: 2,963,534 km (0.113 R)
• M9: 3,371,188 km (0.056 R)
• M10: 3,779,441 km (0.112 R)
• M11: 4,103,918 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.6

Radius: 10.8

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.93 AU - 0.95 AU

Year: 629 Days

Day: 12.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 150.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,119,113 km

• M1: 134,339 km (0.052 R)
• M2: 492,626 km (0.113 R)
• M3: 870,809 km (0.025 R)
• M4: 1,408,314 km (0.09 R)
• M5: 2,235,441 km (0.096 R)
• M6: 2,735,247 km (0.077 R)
• M7: 3,398,864 km (0.075 R)
• M8: 3,748,324 km (0.097 R)
• M9: 4,121,870 km (0.078 R)
• M10: 4,615,992 km (0.052 R)
• M11: 5,149,159 km (0.059 R)
• M12: 5,704,616 km (0.078 R)
• M13: 6,103,294 km (0.029 R)
• M14: 6,479,981 km (0.1 R)
• M15: 7,412,275 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.3

Radius: 8

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.11 AU - 1.51 AU

Year: 1035 Days

Day: 7 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,119,113 km

• M1: 99,483 km (0.097 R)
• M2: 362,326 km (0.101 R)
• M3: 869,164 km (0.089 R)
• M4: 1,170,753 km (0.039 R)
• M5: 1,784,852 km (0.03 R)
• M6: 2,170,067 km (0.105 R)
• M7: 2,799,275 km (0.06 R)
• M8: 4,173,182 km (0.044 R)
• M9: 5,566,986 km (0.101 R)
• M10: 8,230,127 km (0.094 R)
• M11: 9,037,955 km (0.087 R)
• M12: 10,363,093 km (0.101 R)
• M13: 10,778,377 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.8

Radius: 9.2

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.36 AU - 1.5 AU

Year: 1180 Days

Day: 13.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,119,113 km

• M1: 114,442 km (0.106 R)
• M2: 423,661 km (0.075 R)
• M3: 724,502 km (0.117 R)
• M4: 1,377,796 km (0.052 R)
• M5: 1,788,293 km (0.113 R)
• M6: 2,650,725 km (0.086 R)
• M7: 3,020,680 km (0.051 R)
• M8: 4,048,268 km (0.057 R)
• M9: 4,633,046 km (0.082 R)
• M10: 5,172,496 km (0.051 R)
• M11: 5,688,908 km (0.038 R)
• M12: 6,446,023 km (0.118 R)
• M13: 7,705,786 km (0.075 R)
• M14: 8,159,965 km (0.059 R)
• M15: 9,005,343 km (0.116 R)
• M16: 9,570,075 km (0.086 R)
• M17: 10,095,313 km (0.064 R)
• M18: 10,902,394 km (0.108 R)
• M19: 11,271,003 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.5

Radius: 10.2

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.03 AU - 3.45 AU

Year: 4026 Days

Day: 10.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 162.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,119,113 km

• M1: 127,906 km (0.073 R)
• M2: 976,724 km (0.093 R)
• M3: 1,392,607 km (0.065 R)
• M4: 3,402,304 km (0.08 R)
• M5: 4,121,571 km (0.089 R)
• M6: 4,688,098 km (0.034 R)
• M7: 5,690,703 km (0.098 R)
• M8: 8,442,556 km (0.117 R)
• M9: 9,045,286 km (0.118 R)
• M10: 10,044,151 km (0.104 R)
• M11: 12,691,435 km (0.076 R)
• M12: 18,558,513 km (0.098 R)
• M13: 21,866,272 km (0.093 R)
• M14: 23,659,202 km (0.053 R)
• M15: 24,629,195 km (0.101 R)
• M16: 25,625,517 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.9

Radius: 13.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.35 AU - 4.29 AU

Year: 5154 Days

Day: 9.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,119,113 km

• M1: 166,652 km (0.12 R)
• M2: 645,515 km (0.1 R)
• M3: 1,177,485 km (0.076 R)
• M4: 1,684,771 km (0.036 R)
• M5: 2,141,045 km (0.087 R)
• M6: 3,541,879 km (0.087 R)
• M7: 4,779,203 km (0.118 R)
• M8: 5,436,087 km (0.108 R)
• M9: 6,179,290 km (0.101 R)
• M10: 6,844,701 km (0.054 R)
• M11: 8,418,022 km (0.082 R)
• M12: 11,476,401 km (0.083 R)
• M13: 13,594,557 km (0.036 R)
• M14: 14,722,226 km (0.111 R)
• M15: 16,013,106 km (0.109 R)
• M16: 16,686,146 km (0.082 R)
• M17: 17,163,214 km (0.09 R)
• M18: 18,876,409 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.9

Radius: 9

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.58 AU - 5.58 AU

Year: 7903 Days

Day: 9.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,119,113 km

• M1: 116,986 km (0.105 R)
• M2: 872,156 km (0.111 R)
• M3: 1,378,245 km (0.035 R)
• M4: 1,699,282 km (0.066 R)
• M5: 2,200,884 km (0.063 R)
• M6: 2,798,378 km (0.118 R)
• M7: 3,398,864 km (0.098 R)
• M8: 3,992,618 km (0.109 R)
• M9: 5,169,504 km (0.068 R)
• M10: 6,376,310 km (0.071 R)
• M11: 7,691,275 km (0.119 R)
• M12: 10,629,378 km (0.044 R)
• M13: 14,455,642 km (0.03 R)
• M14: 14,833,526 km (0.097 R)
• M15: 15,440,744 km (0.07 R)
• M16: 17,912,550 km (0.117 R)
• M17: 18,223,414 km (0.077 R)
• M18: 20,841,227 km (0.057 R)
• M19: 22,526,896 km (0.111 R)
• M20: 23,108,533 km (0.117 R)
• M21: 24,836,238 km (0.08 R)
• M22: 26,247,246 km (0.069 R)
• M23: 27,217,089 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930

Radius: 5.7

Gravity: 28.62 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.86 AU - 7.88 AU

Year: 11097 Days

Day: 20.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 52,119,113 km

• M1: 71,358 km (0.026 R)
• M2: 436,527 km (0.096 R)
• M3: 1,013,077 km (0.12 R)
• M4: 1,291,628 km (0.106 R)
• M5: 2,039,468 km (0.043 R)
• M6: 2,548,998 km (0.079 R)
• M7: 2,949,023 km (0.103 R)
• M8: 3,626,103 km (0.032 R)
• M9: 5,895,203 km (0.119 R)
• M10: 6,121,994 km (0.114 R)
• M11: 6,394,112 km (0.111 R)
• M12: 7,922,853 km (0.099 R)
• M13: 8,152,785 km (0.103 R)
• M14: 8,482,349 km (0.079 R)
• M15: 8,919,025 km (0.102 R)
• M16: 9,117,841 km (0.112 R)
• M17: 9,732,089 km (0.052 R)
• M18: 11,622,259 km (0.058 R)
• M19: 12,405,553 km (0.104 R)
• M20: 17,701,617 km (0.1 R)
• M21: 18,494,486 km (0.08 R)
• M22: 22,816,966 km (0.101 R)
• M23: 23,850,688 km (0.073 R)
• M24: 24,427,537 km (0.058 R)
• M25: 26,519,813 km (0.091 R)
• M26: 26,828,134 km (0.056 R)
• M27: 27,873,225 km (0.109 R)
• M28: 30,830,176 km (0.104 R)
• M29: 33,269,669 km (0.106 R)
• M30: 35,834,824 km (0.069 R)
• M31: 37,358,328 km (0.087 R)
• M32: 40,398,007 km (0.049 R)
• M33: 42,326,773 km (0.113 R)
• M34: 50,184,850 km (0.109 R)
• M35: 50,656,681 km (0.103 R)
• M36: 52,250,647 km (0.067 R)
• M37: 52,897,508 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.3

Radius: 7.5

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.44 AU - 8.66 AU

Year: 15765 Days

Day: 21.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,119,113 km

• M1: 145,260 km (0.111 R)
• M2: 412,142 km (0.046 R)
• M3: 726,298 km (0.064 R)
• M4: 1,018,313 km (0.047 R)
• M5: 1,336,059 km (0.102 R)
• M6: 2,285,855 km (0.081 R)
• M7: 5,882,936 km (0.089 R)
• M8: 6,596,518 km (0.111 R)
• M9: 10,670,068 km (0.07 R)
• M10: 13,540,702 km (0.118 R)
• M11: 14,053,673 km (0.106 R)
• M12: 15,670,826 km (0.037 R)
• M13: 16,236,306 km (0.112 R)
• M14: 17,333,307 km (0.102 R)
• M15: 17,785,541 km (0.119 R)
• M16: 21,605,672 km (0.067 R)
• M17: 23,752,402 km (0.111 R)
• M18: 25,068,265 km (0.058 R)
• M19: 28,883,758 km (0.061 R)
• M20: 29,519,549 km (0.093 R)
• M21: 30,599,945 km (0.104 R)
• M22: 33,415,976 km (0.118 R)
• M23: 33,765,137 km (0.083 R)
• M24: 35,426,721 km (0.105 R)
• M25: 36,523,123 km (0.049 R)
• M26: 37,142,010 km (0.096 R)
• M27: 44,698,946 km (0.074 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 11,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit