🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.8

Radius: 8.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.65 AU - 0.91 AU

Year: 484 Days

Day: 6.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,824,711 km

• M1: 104,569 km (0.058 R)
• M2: 525,837 km (0.094 R)
• M3: 791,522 km (0.095 R)
• M4: 1,357,750 km (0.12 R)
• M5: 1,807,741 km (0.114 R)
• M6: 2,371,575 km (0.057 R)
• M7: 2,685,581 km (0.12 R)
• M8: 3,182,545 km (0.109 R)
• M9: 3,453,467 km (0.073 R)
• M10: 3,931,133 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570

Radius: 8.2

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.95 AU - 1.11 AU

Year: 735 Days

Day: 11.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,824,711 km

• M1: 102,026 km (0.119 R)
• M2: 419,772 km (0.031 R)
• M3: 907,461 km (0.094 R)
• M4: 1,609,523 km (0.067 R)
• M5: 2,110,527 km (0.119 R)
• M6: 2,377,260 km (0.103 R)
• M7: 2,633,371 km (0.031 R)
• M8: 3,448,680 km (0.066 R)
• M9: 3,806,967 km (0.038 R)
• M10: 4,390,997 km (0.112 R)
• M11: 4,745,992 km (0.042 R)
• M12: 5,085,280 km (0.1 R)
• M13: 5,661,681 km (0.088 R)
• M14: 6,690,615 km (0.059 R)
• M15: 7,139,708 km (0.103 R)
• M16: 7,631,586 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.8

Radius: 8.6

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.92 AU - 1.24 AU

Year: 789 Days

Day: 5.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,824,711 km

• M1: 106,962 km (0.116 R)
• M2: 384,317 km (0.049 R)
• M3: 773,571 km (0.088 R)
• M4: 1,045,839 km (0.112 R)
• M5: 2,085,843 km (0.064 R)
• M6: 2,377,709 km (0.093 R)
• M7: 2,885,294 km (0.114 R)
• M8: 3,249,415 km (0.092 R)
• M9: 3,518,243 km (0.111 R)
• M10: 3,964,493 km (0.065 R)
• M11: 4,431,987 km (0.086 R)
• M12: 5,820,554 km (0.07 R)
• M13: 6,280,418 km (0.099 R)
• M14: 7,711,770 km (0.093 R)
• M15: 8,316,295 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.6

Radius: 9.1

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.5 AU - 1.54 AU

Year: 1317 Days

Day: 5.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,824,711 km

• M1: 113,246 km (0.12 R)
• M2: 412,441 km (0.025 R)
• M3: 722,857 km (0.093 R)
• M4: 1,331,421 km (0.106 R)
• M5: 1,721,273 km (0.096 R)
• M6: 2,218,237 km (0.103 R)
• M7: 2,909,828 km (0.075 R)
• M8: 4,645,014 km (0.094 R)
• M9: 5,333,014 km (0.107 R)
• M10: 6,613,572 km (0.062 R)
• M11: 7,410,630 km (0.062 R)
• M12: 7,934,073 km (0.058 R)
• M13: 9,279,855 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.6

Radius: 9.4

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.55 AU - 1.85 AU

Year: 1558 Days

Day: 5.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,824,711 km

• M1: 116,836 km (0.09 R)
• M2: 470,934 km (0.029 R)
• M3: 791,373 km (0.069 R)
• M4: 1,093,860 km (0.03 R)
• M5: 1,895,106 km (0.119 R)
• M6: 2,816,030 km (0.108 R)
• M7: 3,346,953 km (0.089 R)
• M8: 3,779,740 km (0.076 R)
• M9: 5,286,490 km (0.061 R)
• M10: 5,788,540 km (0.114 R)
• M11: 7,616,327 km (0.112 R)
• M12: 8,012,761 km (0.109 R)
• M13: 8,478,759 km (0.089 R)
• M14: 9,707,705 km (0.094 R)
• M15: 10,301,160 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.9

Radius: 13.1

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.59 AU - 1.93 AU

Year: 1641 Days

Day: 9.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,824,711 km

• M1: 165,904 km (0.104 R)
• M2: 619,784 km (0.052 R)
• M3: 1,187,657 km (0.092 R)
• M4: 1,915,002 km (0.051 R)
• M5: 2,322,657 km (0.055 R)
• M6: 3,406,792 km (0.077 R)
• M7: 4,085,368 km (0.038 R)
• M8: 5,897,597 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.3

Radius: 6.8

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.85 AU - 7.27 AU

Year: 11810 Days

Day: 19.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,824,711 km

• M1: 84,672 km (0.086 R)
• M2: 318,793 km (0.043 R)
• M3: 614,997 km (0.099 R)
• M4: 1,707,959 km (0.077 R)
• M5: 2,150,021 km (0.071 R)
• M6: 2,552,738 km (0.118 R)
• M7: 3,067,355 km (0.114 R)
• M8: 3,744,584 km (0.12 R)
• M9: 6,409,072 km (0.071 R)
• M10: 6,655,460 km (0.091 R)
• M11: 6,908,280 km (0.092 R)
• M12: 7,280,330 km (0.109 R)
• M13: 7,548,709 km (0.112 R)
• M14: 9,389,810 km (0.105 R)
• M15: 9,616,301 km (0.071 R)
• M16: 11,357,171 km (0.108 R)
• M17: 16,151,035 km (0.104 R)
• M18: 20,278,440 km (0.097 R)
• M19: 23,279,224 km (0.101 R)
• M20: 25,319,739 km (0.103 R)
• M21: 26,114,702 km (0.117 R)
• M22: 26,563,496 km (0.073 R)
• M23: 27,940,694 km (0.081 R)
• M24: 28,221,788 km (0.1 R)
• M25: 35,218,929 km (0.082 R)
• M26: 35,437,342 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.3

Radius: 6.9

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.09 AU - 7.63 AU

Year: 12630 Days

Day: 16.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,824,711 km

• M1: 85,869 km (0.071 R)
• M2: 396,883 km (0.034 R)
• M3: 649,404 km (0.093 R)
• M4: 1,077,703 km (0.034 R)
• M5: 1,728,903 km (0.085 R)
• M6: 2,331,034 km (0.055 R)
• M7: 2,745,869 km (0.077 R)
• M8: 3,859,326 km (0.102 R)
• M9: 4,752,126 km (0.083 R)
• M10: 6,614,470 km (0.082 R)
• M11: 8,296,997 km (0.11 R)
• M12: 9,212,087 km (0.077 R)
• M13: 10,033,529 km (0.1 R)
• M14: 12,481,998 km (0.062 R)
• M15: 12,852,701 km (0.033 R)
• M16: 17,891,157 km (0.058 R)
• M17: 21,630,057 km (0.069 R)
• M18: 32,080,515 km (0.103 R)
• M19: 46,335,996 km (0.076 R)
• M20: 50,423,608 km (0.076 R)
• M21: 53,601,964 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.4

Radius: 5.4

Gravity: 22.96 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.35 AU - 10.11 AU

Year: 16596 Days

Day: 18.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,824,711 km

• M1: 67,169 km (0.106 R)
• M2: 350,358 km (0.082 R)
• M3: 776,413 km (0.034 R)
• M4: 1,058,704 km (0.119 R)
• M5: 1,498,223 km (0.115 R)
• M6: 2,032,437 km (0.113 R)
• M7: 2,731,657 km (0.083 R)
• M8: 3,306,113 km (0.057 R)
• M9: 4,141,168 km (0.08 R)
• M10: 5,512,233 km (0.065 R)
• M11: 6,851,134 km (0.057 R)
• M12: 8,097,134 km (0.12 R)
• M13: 9,541,352 km (0.093 R)
• M14: 12,467,786 km (0.084 R)
• M15: 17,528,233 km (0.108 R)
• M16: 19,304,109 km (0.069 R)
• M17: 24,312,496 km (0.093 R)
• M18: 26,623,335 km (0.111 R)
• M19: 27,278,125 km (0.103 R)
• M20: 29,771,023 km (0.114 R)
• M21: 33,661,914 km (0.108 R)
• M22: 37,062,573 km (0.075 R)
• M23: 40,255,740 km (0.103 R)
• M24: 40,685,385 km (0.11 R)
• M25: 41,699,509 km (0.107 R)
• M26: 44,843,159 km (0.096 R)
• M27: 46,551,117 km (0.084 R)
• M28: 53,817,535 km (0.099 R)
• M29: 65,090,333 km (0.081 R)
• M30: 65,484,374 km (0.03 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.7

Radius: 6.8

Gravity: 20.58 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.56 AU - 12.38 AU

Year: 22128 Days

Day: 24.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,824,711 km

• M1: 101,427 km (0.113 R)
• M2: 338,989 km (0.077 R)
• M3: 579,243 km (0.112 R)
• M4: 1,159,982 km (0.105 R)
• M5: 1,930,860 km (0.06 R)
• M6: 2,461,783 km (0.097 R)
• M7: 3,085,905 km (0.085 R)
• M8: 3,526,620 km (0.09 R)
• M9: 7,050,248 km (0.026 R)
• M10: 8,188,987 km (0.051 R)
• M11: 9,932,700 km (0.116 R)
• M12: 10,182,529 km (0.06 R)
• M13: 13,441,369 km (0.075 R)
• M14: 15,513,299 km (0.099 R)
• M15: 19,489,162 km (0.09 R)
• M16: 22,237,873 km (0.112 R)
• M17: 28,868,649 km (0.1 R)
• M18: 29,250,124 km (0.091 R)
• M19: 41,996,461 km (0.104 R)
• M20: 43,644,281 km (0.11 R)
• M21: 44,822,963 km (0.103 R)
• M22: 45,506,027 km (0.096 R)
• M23: 47,420,131 km (0.113 R)
• M24: 51,407,962 km (0.072 R)
• M25: 54,251,668 km (0.092 R)
• M26: 58,001,937 km (0.117 R)
• M27: 68,689,358 km (0.079 R)
• M28: 78,869,793 km (0.07 R)
• M29: 82,389,382 km (0.11 R)
• M30: 87,863,168 km (0.105 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 13,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit