🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.9

Radius: 13.2

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.58 AU - 0.66 AU

Year: 343 Days

Day: 11.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,236,333 km

• M1: 164,408 km (0.083 R)
• M2: 577,298 km (0.117 R)
• M3: 992,582 km (0.11 R)
• M4: 1,780,364 km (0.105 R)
• M5: 2,451,760 km (0.118 R)
• M6: 3,242,983 km (0.049 R)
• M7: 3,705,240 km (0.069 R)
• M8: 4,211,629 km (0.045 R)
• M9: 5,164,118 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.5

Radius: 8.9

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.93 AU - 1.33 AU

Year: 844 Days

Day: 8.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,236,333 km

• M1: 110,702 km (0.09 R)
• M2: 418,425 km (0.119 R)
• M3: 891,005 km (0.047 R)
• M4: 1,285,794 km (0.082 R)
• M5: 1,729,052 km (0.078 R)
• M6: 2,594,177 km (0.092 R)
• M7: 3,709,279 km (0.079 R)
• M8: 4,793,116 km (0.111 R)
• M9: 5,081,540 km (0.118 R)
• M10: 6,114,514 km (0.115 R)
• M11: 6,536,081 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.2

Radius: 15

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.67 AU - 3.75 AU

Year: 4043 Days

Day: 11.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,236,333 km

• M1: 186,549 km (0.117 R)
• M2: 1,135,747 km (0.043 R)
• M3: 1,772,286 km (0.044 R)
• M4: 2,255,786 km (0.114 R)
• M5: 3,341,418 km (0.111 R)
• M6: 4,580,986 km (0.103 R)
• M7: 5,161,127 km (0.119 R)
• M8: 6,470,407 km (0.098 R)
• M9: 7,437,109 km (0.102 R)
• M10: 8,026,674 km (0.089 R)
• M11: 9,182,317 km (0.097 R)
• M12: 9,779,961 km (0.044 R)
• M13: 11,321,417 km (0.091 R)
• M14: 12,921,067 km (0.063 R)
• M15: 15,374,472 km (0.058 R)
• M16: 15,990,965 km (0.075 R)
• M17: 17,393,146 km (0.102 R)
• M18: 17,878,442 km (0.114 R)
• M19: 20,308,210 km (0.118 R)
• M20: 21,463,554 km (0.106 R)
• M21: 24,129,239 km (0.111 R)
• M22: 25,347,714 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.8

Radius: 14

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.98 AU - 4.36 AU

Year: 4942 Days

Day: 9 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,236,333 km

• M1: 177,722 km (0.086 R)
• M2: 687,851 km (0.072 R)
• M3: 1,588,580 km (0.112 R)
• M4: 2,272,092 km (0.113 R)
• M5: 2,808,401 km (0.07 R)
• M6: 4,116,335 km (0.117 R)
• M7: 5,447,008 km (0.048 R)
• M8: 8,783,489 km (0.094 R)
• M9: 10,031,435 km (0.075 R)
• M10: 11,112,429 km (0.086 R)
• M11: 12,419,914 km (0.096 R)
• M12: 15,572,091 km (0.105 R)
• M13: 16,345,811 km (0.034 R)
• M14: 17,777,463 km (0.085 R)
• M15: 28,171,224 km (0.106 R)
• M16: 31,523,862 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.6

Radius: 11.8

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.34 AU - 4.04 AU

Year: 4983 Days

Day: 13.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,236,333 km

• M1: 146,756 km (0.113 R)
• M2: 582,983 km (0.062 R)
• M3: 951,143 km (0.056 R)
• M4: 1,541,756 km (0.096 R)
• M5: 2,276,730 km (0.07 R)
• M6: 2,706,375 km (0.118 R)
• M7: 3,161,901 km (0.096 R)
• M8: 5,796,020 km (0.098 R)
• M9: 6,419,095 km (0.097 R)
• M10: 7,668,536 km (0.12 R)
• M11: 9,103,030 km (0.09 R)
• M12: 11,545,216 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.5

Radius: 14.2

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.22 AU - 5.1 AU

Year: 5964 Days

Day: 8.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,236,333 km

• M1: 176,675 km (0.098 R)
• M2: 626,516 km (0.089 R)
• M3: 1,246,599 km (0.11 R)
• M4: 1,896,602 km (0.081 R)
• M5: 3,033,546 km (0.107 R)
• M6: 4,328,764 km (0.095 R)
• M7: 5,102,185 km (0.11 R)
• M8: 6,890,777 km (0.073 R)
• M9: 9,491,686 km (0.105 R)
• M10: 10,381,045 km (0.026 R)
• M11: 11,718,899 km (0.073 R)
• M12: 13,222,507 km (0.12 R)
• M13: 14,161,982 km (0.083 R)
• M14: 15,805,763 km (0.075 R)
• M15: 16,547,918 km (0.09 R)
• M16: 25,467,691 km (0.083 R)
• M17: 26,230,640 km (0.104 R)
• M18: 28,249,613 km (0.11 R)
• M19: 31,421,387 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.6

Radius: 7.3

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.62 AU - 8.18 AU

Year: 14150 Days

Day: 21.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,236,333 km

• M1: 90,806 km (0.097 R)
• M2: 411,095 km (0.056 R)
• M3: 716,275 km (0.11 R)
• M4: 2,091,827 km (0.119 R)
• M5: 4,150,443 km (0.049 R)
• M6: 4,563,483 km (0.088 R)
• M7: 7,323,115 km (0.109 R)
• M8: 7,885,304 km (0.111 R)
• M9: 8,219,356 km (0.042 R)
• M10: 8,915,734 km (0.103 R)
• M11: 16,979,957 km (0.1 R)
• M12: 21,301,989 km (0.066 R)
• M13: 22,863,491 km (0.116 R)
• M14: 23,201,732 km (0.105 R)
• M15: 25,211,580 km (0.084 R)
• M16: 26,676,292 km (0.101 R)
• M17: 30,482,810 km (0.12 R)
• M18: 32,782,129 km (0.079 R)
• M19: 33,428,691 km (0.118 R)
• M20: 41,487,678 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.4

Radius: 6.5

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.73 AU - 7.87 AU

Year: 15313 Days

Day: 18.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 88,236,333 km

• M1: 83,625 km (0.1 R)
• M2: 566,527 km (0.059 R)
• M3: 786,735 km (0.108 R)
• M4: 1,000,062 km (0.117 R)
• M5: 1,435,392 km (0.087 R)
• M6: 1,888,673 km (0.11 R)
• M7: 2,615,868 km (0.093 R)
• M8: 3,723,192 km (0.083 R)
• M9: 7,267,465 km (0.084 R)
• M10: 7,605,556 km (0.08 R)
• M11: 8,222,497 km (0.112 R)
• M12: 8,636,435 km (0.051 R)
• M13: 9,112,455 km (0.037 R)
• M14: 14,744,067 km (0.052 R)
• M15: 15,013,493 km (0.072 R)
• M16: 16,266,824 km (0.105 R)
• M17: 17,588,521 km (0.089 R)
• M18: 18,586,638 km (0.099 R)
• M19: 19,139,402 km (0.112 R)
• M20: 22,068,827 km (0.096 R)
• M21: 22,957,738 km (0.068 R)
• M22: 26,653,105 km (0.095 R)
• M23: 28,903,356 km (0.102 R)
• M24: 31,610,479 km (0.06 R)
• M25: 37,648,249 km (0.115 R)
• M26: 42,073,803 km (0.09 R)
• M27: 45,683,151 km (0.092 R)
• M28: 48,596,270 km (0.116 R)
• M29: 48,894,119 km (0.071 R)
• M30: 50,098,083 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.4

Radius: 5.3

Gravity: 35.22 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.35 AU - 10.35 AU

Year: 18506 Days

Day: 21.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 88,236,333 km

• M1: 65,973 km (0.064 R)
• M2: 237,113 km (0.082 R)
• M3: 748,588 km (0.063 R)
• M4: 1,124,976 km (0.089 R)
• M5: 1,857,407 km (0.064 R)
• M6: 4,099,730 km (0.073 R)
• M7: 4,473,425 km (0.054 R)
• M8: 4,722,954 km (0.12 R)
• M9: 6,286,402 km (0.077 R)
• M10: 7,502,333 km (0.091 R)
• M11: 7,752,910 km (0.111 R)
• M12: 8,270,967 km (0.088 R)
• M13: 9,608,222 km (0.113 R)
• M14: 10,266,752 km (0.082 R)
• M15: 11,147,884 km (0.087 R)
• M16: 11,540,429 km (0.066 R)
• M17: 12,703,103 km (0.085 R)
• M18: 14,706,667 km (0.097 R)
• M19: 21,358,537 km (0.096 R)
• M20: 23,103,446 km (0.076 R)
• M21: 23,741,481 km (0.097 R)
• M22: 24,173,221 km (0.082 R)
• M23: 26,991,196 km (0.103 R)
• M24: 28,782,930 km (0.078 R)
• M25: 33,674,032 km (0.099 R)
• M26: 36,030,797 km (0.091 R)
• M27: 38,347,320 km (0.052 R)
• M28: 41,380,267 km (0.054 R)
• M29: 42,795,612 km (0.104 R)
• M30: 47,405,471 km (0.099 R)
• M31: 54,735,916 km (0.064 R)
• M32: 59,557,156 km (0.104 R)
• M33: 60,353,915 km (0.075 R)
• M34: 68,498,172 km (0.117 R)
• M35: 79,248,724 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.4

Radius: 6.9

Gravity: 17.53 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.75 AU - 10.49 AU

Year: 22630 Days

Day: 23.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 88,236,333 km

• M1: 85,869 km (0.094 R)
• M2: 354,547 km (0.115 R)
• M3: 812,316 km (0.082 R)
• M4: 1,350,719 km (0.042 R)
• M5: 1,939,088 km (0.055 R)
• M6: 2,489,757 km (0.116 R)
• M7: 2,788,953 km (0.105 R)
• M8: 4,267,429 km (0.108 R)
• M9: 5,685,168 km (0.11 R)
• M10: 8,499,253 km (0.062 R)
• M11: 12,126,403 km (0.088 R)
• M12: 12,841,481 km (0.092 R)
• M13: 14,121,141 km (0.096 R)
• M14: 17,553,365 km (0.078 R)
• M15: 18,560,757 km (0.113 R)
• M16: 25,313,755 km (0.106 R)
• M17: 27,680,992 km (0.062 R)
• M18: 28,792,953 km (0.113 R)
• M19: 29,934,384 km (0.075 R)
• M20: 30,973,940 km (0.118 R)
• M21: 34,096,795 km (0.083 R)
• M22: 37,423,254 km (0.116 R)
• M23: 41,118,471 km (0.103 R)
• M24: 43,547,491 km (0.039 R)
• M25: 44,713,008 km (0.112 R)
• M26: 46,586,423 km (0.118 R)
• M27: 56,350,227 km (0.08 R)
• M28: 67,614,498 km (0.032 R)
• M29: 71,909,153 km (0.072 R)
• M30: 73,068,836 km (0.064 R)
• M31: 77,589,384 km (0.098 R)
• M32: 81,287,145 km (0.091 R)
• M33: 85,618,153 km (0.061 R)
• M34: 87,182,797 km (0.04 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: 179 - 15,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit