🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.3

Radius: 10.2

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.44 AU - 0.58 AU

Year: 247 Days

Day: 7.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,058,863 km

• M1: 127,158 km (0.041 R)
• M2: 509,231 km (0.073 R)
• M3: 826,827 km (0.055 R)
• M4: 1,313,170 km (0.103 R)
• M5: 1,724,564 km (0.12 R)
• M6: 2,402,691 km (0.052 R)
• M7: 2,862,406 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.2

Radius: 11.3

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.51 AU - 0.79 AU

Year: 355 Days

Day: 10 Hours

Environment

Temp: -152 °C

Axial Tilt: 103.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,058,863 km

• M1: 140,622 km (0.085 R)
• M2: 520,750 km (0.088 R)
• M3: 970,741 km (0.113 R)
• M4: 1,408,314 km (0.117 R)
• M5: 1,847,982 km (0.082 R)
• M6: 2,478,687 km (0.068 R)
• M7: 3,640,913 km (0.046 R)
• M8: 4,196,669 km (0.102 R)
• M9: 4,837,397 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.1

Radius: 13.3

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.93 AU - 2.31 AU

Year: 2094 Days

Day: 8.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,058,863 km

• M1: 165,455 km (0.083 R)
• M2: 672,143 km (0.092 R)
• M3: 1,116,449 km (0.111 R)
• M4: 1,678,787 km (0.042 R)
• M5: 2,247,858 km (0.115 R)
• M6: 2,764,269 km (0.091 R)
• M7: 3,917,370 km (0.091 R)
• M8: 5,879,795 km (0.113 R)
• M9: 6,422,536 km (0.05 R)
• M10: 7,691,126 km (0.107 R)
• M11: 8,283,533 km (0.099 R)
• M12: 9,244,849 km (0.063 R)
• M13: 10,212,149 km (0.093 R)
• M14: 12,500,697 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.6

Radius: 11.2

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.66 AU - 2.76 AU

Year: 2228 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,058,863 km

• M1: 139,276 km (0.101 R)
• M2: 489,634 km (0.113 R)
• M3: 1,668,615 km (0.069 R)
• M4: 2,306,799 km (0.075 R)
• M5: 2,818,274 km (0.112 R)
• M6: 3,301,326 km (0.04 R)
• M7: 3,764,182 km (0.101 R)
• M8: 4,189,488 km (0.056 R)
• M9: 5,419,332 km (0.076 R)
• M10: 5,887,125 km (0.099 R)
• M11: 7,017,487 km (0.113 R)
• M12: 7,634,428 km (0.118 R)
• M13: 8,351,301 km (0.098 R)
• M14: 8,976,770 km (0.076 R)
• M15: 11,198,298 km (0.107 R)
• M16: 11,554,491 km (0.035 R)
• M17: 12,082,571 km (0.115 R)
• M18: 12,457,463 km (0.119 R)
• M19: 13,230,735 km (0.055 R)
• M20: 14,637,104 km (0.036 R)
• M21: 15,015,737 km (0.069 R)
• M22: 16,852,649 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.2

Radius: 10.8

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.22 AU - 3.48 AU

Year: 3263 Days

Day: 12.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,058,863 km

• M1: 385,065 km (0.098 R)
• M2: 1,122,433 km (0.117 R)
• M3: 1,560,755 km (0.093 R)
• M4: 2,240,677 km (0.112 R)
• M5: 3,333,041 km (0.12 R)
• M6: 3,816,092 km (0.054 R)
• M7: 4,299,592 km (0.082 R)
• M8: 5,857,355 km (0.115 R)
• M9: 7,226,924 km (0.053 R)
• M10: 7,969,378 km (0.109 R)
• M11: 9,293,020 km (0.117 R)
• M12: 9,725,358 km (0.039 R)
• M13: 10,503,715 km (0.045 R)
• M14: 12,091,996 km (0.111 R)
• M15: 13,040,596 km (0.062 R)
• M16: 13,433,590 km (0.109 R)
• M17: 15,085,599 km (0.059 R)
• M18: 16,297,342 km (0.075 R)
• M19: 21,388,456 km (0.051 R)
• M20: 23,706,475 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.1

Radius: 13.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.67 AU - 5.09 AU

Year: 6217 Days

Day: 6 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,058,863 km

• M1: 169,195 km (0.106 R)
• M2: 628,461 km (0.087 R)
• M3: 1,394,252 km (0.076 R)
• M4: 3,124,950 km (0.108 R)
• M5: 3,958,060 km (0.084 R)
• M6: 4,592,355 km (0.066 R)
• M7: 5,015,867 km (0.068 R)
• M8: 5,611,566 km (0.119 R)
• M9: 7,048,453 km (0.09 R)
• M10: 8,134,683 km (0.078 R)
• M11: 8,599,334 km (0.093 R)
• M12: 9,582,192 km (0.086 R)
• M13: 10,322,702 km (0.105 R)
• M14: 10,821,910 km (0.11 R)
• M15: 11,337,275 km (0.069 R)
• M16: 11,967,530 km (0.063 R)
• M17: 12,878,581 km (0.085 R)
• M18: 14,220,026 km (0.066 R)
• M19: 17,753,079 km (0.106 R)
• M20: 18,339,203 km (0.116 R)
• M21: 19,965,481 km (0.114 R)
• M22: 23,348,039 km (0.108 R)
• M23: 23,973,059 km (0.113 R)
• M24: 25,502,398 km (0.109 R)
• M25: 26,670,159 km (0.104 R)
• M26: 30,111,209 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.6

Radius: 11

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.82 AU - 5.16 AU

Year: 7560 Days

Day: 5.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,058,863 km

• M1: 137,181 km (0.06 R)
• M2: 496,964 km (0.075 R)
• M3: 847,771 km (0.027 R)
• M4: 1,417,589 km (0.068 R)
• M5: 1,857,706 km (0.114 R)
• M6: 2,324,751 km (0.078 R)
• M7: 4,948,997 km (0.1 R)
• M8: 6,252,443 km (0.09 R)
• M9: 7,485,578 km (0.045 R)
• M10: 9,525,046 km (0.087 R)
• M11: 10,120,595 km (0.094 R)
• M12: 11,910,982 km (0.07 R)
• M13: 14,228,702 km (0.074 R)
• M14: 17,201,960 km (0.059 R)
• M15: 22,365,929 km (0.089 R)
• M16: 23,725,026 km (0.117 R)
• M17: 30,074,408 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.4

Radius: 5.8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.73 AU - 7.77 AU

Year: 11895 Days

Day: 23 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,058,863 km

• M1: 74,350 km (0.078 R)
• M2: 332,855 km (0.117 R)
• M3: 570,716 km (0.085 R)
• M4: 1,388,119 km (0.101 R)
• M5: 4,294,057 km (0.058 R)
• M6: 6,183,030 km (0.104 R)
• M7: 9,977,729 km (0.094 R)
• M8: 14,200,129 km (0.058 R)
• M9: 15,086,945 km (0.104 R)
• M10: 15,595,279 km (0.118 R)
• M11: 16,220,299 km (0.03 R)
• M12: 17,298,899 km (0.12 R)
• M13: 18,138,742 km (0.072 R)
• M14: 20,510,466 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.7

Radius: 3.3

Gravity: 29.36 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.88 AU - 8.3 AU

Year: 15607 Days

Day: 23.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,058,863 km

• M1: 41,289 km (0.088 R)
• M2: 148,401 km (0.113 R)
• M3: 633,547 km (0.085 R)
• M4: 1,024,895 km (0.065 R)
• M5: 1,573,770 km (0.088 R)
• M6: 2,392,668 km (0.061 R)
• M7: 2,805,558 km (0.074 R)
• M8: 4,656,832 km (0.108 R)
• M9: 5,431,899 km (0.082 R)
• M10: 5,885,779 km (0.092 R)
• M11: 6,671,616 km (0.077 R)
• M12: 7,398,662 km (0.096 R)
• M13: 8,177,169 km (0.109 R)
• M14: 10,254,784 km (0.111 R)
• M15: 11,667,886 km (0.07 R)
• M16: 13,895,249 km (0.116 R)
• M17: 15,074,529 km (0.063 R)
• M18: 19,010,449 km (0.111 R)
• M19: 22,683,376 km (0.093 R)
• M20: 25,346,367 km (0.043 R)
• M21: 28,312,893 km (0.092 R)
• M22: 36,237,541 km (0.097 R)
• M23: 37,708,088 km (0.113 R)
• M24: 40,376,465 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399

Radius: 4.2

Gravity: 22.62 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.62 AU - 8.92 AU

Year: 16131 Days

Day: 21.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,058,863 km

• M1: 53,855 km (0.117 R)
• M2: 196,721 km (0.116 R)
• M3: 352,153 km (0.081 R)
• M4: 598,840 km (0.11 R)
• M5: 739,163 km (0.08 R)
• M6: 1,041,500 km (0.098 R)
• M7: 1,393,803 km (0.09 R)
• M8: 3,546,367 km (0.08 R)
• M9: 4,579,939 km (0.077 R)
• M10: 4,899,480 km (0.119 R)
• M11: 7,306,061 km (0.115 R)
• M12: 10,400,792 km (0.104 R)
• M13: 11,234,950 km (0.072 R)
• M14: 11,406,987 km (0.091 R)
• M15: 12,233,216 km (0.074 R)
• M16: 15,651,677 km (0.088 R)
• M17: 17,578,049 km (0.061 R)
• M18: 17,732,434 km (0.093 R)
• M19: 23,819,571 km (0.096 R)
• M20: 25,756,265 km (0.091 R)
• M21: 26,055,461 km (0.078 R)
• M22: 29,068,961 km (0.049 R)
• M23: 29,502,046 km (0.047 R)
• M24: 30,159,679 km (0.101 R)
• M25: 37,028,914 km (0.116 R)
• M26: 40,419,998 km (0.027 R)
• M27: 42,052,709 km (0.077 R)
• M28: 45,885,856 km (0.076 R)
• M29: 47,661,732 km (0.029 R)
• M30: 47,962,125 km (0.108 R)
• M31: 48,415,107 km (0.106 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 19,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit