🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.55 AU - 0.67 AU

Year: 308 Days

Day: 32.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,213,104 km

• M1: 27,676 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.5

Radius: 13.9

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.56 AU - 1.8 AU

Year: 1406 Days

Day: 13.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,213,104 km

• M1: 174,132 km (0.116 R)
• M2: 635,941 km (0.075 R)
• M3: 1,086,978 km (0.1 R)
• M4: 1,602,792 km (0.093 R)
• M5: 2,099,157 km (0.1 R)
• M6: 2,945,432 km (0.094 R)
• M7: 4,042,733 km (0.109 R)
• M8: 4,530,272 km (0.078 R)
• M9: 5,076,753 km (0.098 R)
• M10: 6,721,283 km (0.027 R)
• M11: 8,556,849 km (0.051 R)
• M12: 9,100,338 km (0.106 R)
• M13: 9,636,347 km (0.072 R)
• M14: 10,969,862 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.5

Radius: 11.4

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.21 AU - 5.33 AU

Year: 5697 Days

Day: 5.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,213,104 km

• M1: 144,512 km (0.091 R)
• M2: 588,817 km (0.058 R)
• M3: 955,182 km (0.097 R)
• M4: 1,357,451 km (0.093 R)
• M5: 3,268,713 km (0.075 R)
• M6: 3,629,244 km (0.114 R)
• M7: 4,431,239 km (0.117 R)
• M8: 6,715,598 km (0.077 R)
• M9: 7,126,394 km (0.094 R)
• M10: 7,481,390 km (0.111 R)
• M11: 7,848,353 km (0.109 R)
• M12: 9,396,093 km (0.111 R)
• M13: 11,233,005 km (0.106 R)
• M14: 11,715,159 km (0.117 R)
• M15: 12,876,786 km (0.102 R)
• M16: 17,326,425 km (0.101 R)
• M17: 17,905,668 km (0.092 R)
• M18: 20,781,089 km (0.111 R)
• M19: 22,253,132 km (0.071 R)
• M20: 23,714,703 km (0.11 R)
• M21: 27,953,559 km (0.11 R)
• M22: 28,483,285 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.9

Radius: 10.2

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.63 AU - 4.95 AU

Year: 6769 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,213,104 km

• M1: 127,158 km (0.107 R)
• M2: 495,169 km (0.045 R)
• M3: 816,804 km (0.114 R)
• M4: 1,196,484 km (0.06 R)
• M5: 1,903,633 km (0.037 R)
• M6: 3,836,138 km (0.081 R)
• M7: 4,298,246 km (0.09 R)
• M8: 4,981,011 km (0.098 R)
• M9: 5,503,556 km (0.084 R)
• M10: 7,502,333 km (0.053 R)
• M11: 7,822,921 km (0.1 R)
• M12: 8,302,233 km (0.119 R)
• M13: 9,360,638 km (0.059 R)
• M14: 11,090,588 km (0.111 R)
• M15: 12,821,136 km (0.081 R)
• M16: 13,488,342 km (0.102 R)
• M17: 13,963,465 km (0.11 R)
• M18: 14,725,068 km (0.118 R)
• M19: 17,860,490 km (0.095 R)
• M20: 18,498,226 km (0.068 R)
• M21: 21,701,415 km (0.099 R)
• M22: 24,237,249 km (0.087 R)
• M23: 25,737,117 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.5

Radius: 13.8

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.71 AU - 6.33 AU

Year: 8374 Days

Day: 11.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,213,104 km

• M1: 171,589 km (0.119 R)
• M2: 929,601 km (0.115 R)
• M3: 1,377,348 km (0.108 R)
• M4: 2,089,134 km (0.109 R)
• M5: 3,170,876 km (0.092 R)
• M6: 4,338,937 km (0.106 R)
• M7: 5,439,678 km (0.105 R)
• M8: 6,911,571 km (0.082 R)
• M9: 8,589,611 km (0.086 R)
• M10: 11,051,842 km (0.073 R)
• M11: 13,765,398 km (0.1 R)
• M12: 17,111,304 km (0.043 R)
• M13: 30,342,487 km (0.043 R)
• M14: 36,892,181 km (0.104 R)
• M15: 37,375,831 km (0.095 R)
• M16: 37,863,819 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.3

Radius: 7.2

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.93 AU - 6.41 AU

Year: 9896 Days

Day: 22.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,213,104 km

• M1: 92,302 km (0.064 R)
• M2: 470,635 km (0.12 R)
• M3: 708,795 km (0.117 R)
• M4: 1,272,031 km (0.051 R)
• M5: 1,580,352 km (0.075 R)
• M6: 2,693,659 km (0.065 R)
• M7: 3,251,510 km (0.082 R)
• M8: 3,756,103 km (0.112 R)
• M9: 4,067,267 km (0.114 R)
• M10: 4,741,505 km (0.105 R)
• M11: 6,418,197 km (0.058 R)
• M12: 7,530,458 km (0.091 R)
• M13: 7,817,087 km (0.102 R)
• M14: 8,282,337 km (0.088 R)
• M15: 9,789,236 km (0.108 R)
• M16: 10,032,482 km (0.062 R)
• M17: 10,838,366 km (0.106 R)
• M18: 14,622,593 km (0.086 R)
• M19: 15,394,070 km (0.106 R)
• M20: 16,192,324 km (0.113 R)
• M21: 16,532,958 km (0.062 R)
• M22: 16,878,529 km (0.102 R)
• M23: 22,067,332 km (0.085 R)
• M24: 22,825,045 km (0.112 R)
• M25: 31,911,769 km (0.066 R)
• M26: 33,757,657 km (0.066 R)
• M27: 34,650,607 km (0.099 R)
• M28: 39,352,019 km (0.085 R)
• M29: 40,216,246 km (0.118 R)
• M30: 41,472,718 km (0.07 R)
• M31: 43,537,169 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53

Radius: 7.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.41 AU - 8.95 AU

Year: 13742 Days

Day: 19.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,213,104 km

• M1: 199,264 km (0.091 R)
• M2: 490,831 km (0.103 R)
• M3: 2,159,146 km (0.104 R)
• M4: 12,539,443 km (0.098 R)
• M5: 15,429,674 km (0.065 R)
• M6: 15,812,794 km (0.114 R)
• M7: 18,612,518 km (0.09 R)
• M8: 19,234,845 km (0.099 R)
• M9: 20,389,741 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.9

Radius: 6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.98 AU - 9.98 AU

Year: 20357 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,213,104 km

• M1: 74,649 km (0.108 R)
• M2: 370,853 km (0.069 R)
• M3: 696,228 km (0.08 R)
• M4: 1,085,482 km (0.104 R)
• M5: 1,595,910 km (0.088 R)
• M6: 2,074,922 km (0.097 R)
• M7: 2,424,981 km (0.11 R)
• M8: 3,561,327 km (0.092 R)
• M9: 3,767,473 km (0.084 R)
• M10: 4,036,300 km (0.084 R)
• M11: 5,241,760 km (0.079 R)
• M12: 5,750,243 km (0.058 R)
• M13: 6,554,631 km (0.1 R)
• M14: 7,855,235 km (0.105 R)
• M15: 11,010,104 km (0.092 R)
• M16: 11,899,463 km (0.075 R)
• M17: 14,395,205 km (0.061 R)
• M18: 15,120,006 km (0.057 R)
• M19: 17,366,218 km (0.114 R)
• M20: 19,347,941 km (0.105 R)
• M21: 21,901,727 km (0.107 R)
• M22: 23,935,659 km (0.114 R)
• M23: 24,858,080 km (0.113 R)
• M24: 25,899,730 km (0.119 R)
• M25: 32,321,069 km (0.117 R)
• M26: 32,880,864 km (0.034 R)
• M27: 36,135,964 km (0.106 R)
• M28: 44,094,870 km (0.099 R)
• M29: 46,465,099 km (0.077 R)
• M30: 48,918,803 km (0.105 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: 258 - 14,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit