🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222

Radius: 14.7

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.72 AU - 1.12 AU

Year: 609 Days

Day: 5.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,713,366 km

• M1: 182,809 km (0.035 R)
• M2: 877,840 km (0.035 R)
• M3: 1,453,044 km (0.1 R)
• M4: 2,289,296 km (0.087 R)
• M5: 2,794,488 km (0.09 R)
• M6: 3,330,348 km (0.093 R)
• M7: 4,544,185 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.6

Radius: 12.8

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.42 AU - 1.64 AU

Year: 1306 Days

Day: 10.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,713,366 km

• M1: 162,463 km (0.091 R)
• M2: 792,420 km (0.069 R)
• M3: 1,459,178 km (0.1 R)
• M4: 2,285,706 km (0.097 R)
• M5: 2,793,740 km (0.084 R)
• M6: 3,213,661 km (0.117 R)
• M7: 4,597,741 km (0.08 R)
• M8: 7,383,702 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.3

Radius: 11.6

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.58 AU - 2.42 AU

Year: 1952 Days

Day: 11.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,713,366 km

• M1: 144,212 km (0.11 R)
• M2: 582,833 km (0.103 R)
• M3: 1,088,624 km (0.089 R)
• M4: 1,561,503 km (0.103 R)
• M5: 2,343,301 km (0.085 R)
• M6: 2,891,876 km (0.118 R)
• M7: 3,264,076 km (0.113 R)
• M8: 3,668,439 km (0.076 R)
• M9: 4,485,543 km (0.032 R)
• M10: 5,108,468 km (0.093 R)
• M11: 5,505,202 km (0.096 R)
• M12: 6,150,567 km (0.078 R)
• M13: 6,746,714 km (0.084 R)
• M14: 8,279,195 km (0.106 R)
• M15: 8,681,613 km (0.113 R)
• M16: 9,096,897 km (0.097 R)
• M17: 10,128,973 km (0.087 R)
• M18: 11,803,272 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.9

Radius: 12.4

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.59 AU - 3.31 AU

Year: 3497 Days

Day: 11.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,713,366 km

• M1: 157,227 km (0.094 R)
• M2: 707,149 km (0.106 R)
• M3: 1,175,839 km (0.056 R)
• M4: 1,649,317 km (0.08 R)
• M5: 2,404,487 km (0.096 R)
• M6: 3,061,670 km (0.082 R)
• M7: 3,678,911 km (0.109 R)
• M8: 4,356,140 km (0.057 R)
• M9: 4,759,606 km (0.088 R)
• M10: 6,150,716 km (0.081 R)
• M11: 6,748,061 km (0.103 R)
• M12: 7,636,373 km (0.053 R)
• M13: 9,023,295 km (0.092 R)
• M14: 10,062,850 km (0.098 R)
• M15: 12,290,961 km (0.099 R)
• M16: 12,692,033 km (0.096 R)
• M17: 14,532,087 km (0.073 R)
• M18: 15,183,286 km (0.093 R)
• M19: 15,593,633 km (0.096 R)
• M20: 18,911,564 km (0.094 R)
• M21: 20,176,414 km (0.095 R)
• M22: 20,735,462 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.2

Radius: 12.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.98 AU - 5.78 AU

Year: 7441 Days

Day: 8.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,713,366 km

• M1: 159,322 km (0.058 R)
• M2: 572,810 km (0.103 R)
• M3: 1,677,291 km (0.082 R)
• M4: 2,457,594 km (0.059 R)
• M5: 3,292,948 km (0.1 R)
• M6: 4,006,530 km (0.046 R)
• M7: 5,555,915 km (0.04 R)
• M8: 6,814,482 km (0.037 R)
• M9: 11,028,205 km (0.078 R)
• M10: 13,963,615 km (0.08 R)
• M11: 14,607,933 km (0.109 R)
• M12: 17,251,926 km (0.093 R)
• M13: 17,993,931 km (0.108 R)
• M14: 19,182,486 km (0.098 R)
• M15: 19,686,930 km (0.073 R)
• M16: 21,253,369 km (0.074 R)
• M17: 21,715,926 km (0.097 R)
• M18: 23,633,322 km (0.092 R)
• M19: 33,777,703 km (0.045 R)
• M20: 34,726,154 km (0.094 R)
• M21: 35,153,256 km (0.095 R)
• M22: 35,800,715 km (0.1 R)

Asteroid Belt

Center: 5.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.9

Radius: 4.6

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.54 AU - 7.08 AU

Year: 10941 Days

Day: 23.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,713,366 km

• M1: 57,296 km (0.115 R)
• M2: 263,143 km (0.03 R)
• M3: 423,960 km (0.096 R)
• M4: 645,216 km (0.116 R)
• M5: 838,945 km (0.118 R)
• M6: 1,071,270 km (0.094 R)
• M7: 1,462,918 km (0.094 R)
• M8: 1,718,730 km (0.065 R)
• M9: 1,929,663 km (0.119 R)
• M10: 2,991,060 km (0.108 R)
• M11: 4,547,925 km (0.098 R)
• M12: 9,521,605 km (0.056 R)
• M13: 9,782,354 km (0.094 R)
• M14: 11,063,361 km (0.056 R)
• M15: 11,893,330 km (0.107 R)
• M16: 13,028,030 km (0.084 R)
• M17: 14,689,015 km (0.108 R)
• M18: 19,657,908 km (0.118 R)
• M19: 25,640,776 km (0.108 R)
• M20: 32,047,753 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.1

Radius: 4.6

Gravity: 33.7 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 6.65 AU - 10.57 AU

Year: 17439 Days

Day: 19.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,713,366 km

• M1: 57,146 km (0.09 R)
• M2: 816,356 km (0.106 R)
• M3: 3,072,441 km (0.075 R)
• M4: 3,765,827 km (0.072 R)
• M5: 4,490,778 km (0.12 R)
• M6: 5,845,836 km (0.1 R)
• M7: 10,350,228 km (0.098 R)
• M8: 13,920,979 km (0.027 R)
• M9: 19,638,909 km (0.067 R)
• M10: 21,019,548 km (0.071 R)
• M11: 23,462,332 km (0.025 R)
• M12: 30,443,466 km (0.052 R)
• M13: 31,172,606 km (0.1 R)
• M14: 31,541,664 km (0.094 R)
• M15: 33,430,187 km (0.058 R)
• M16: 33,687,496 km (0.041 R)
• M17: 38,974,284 km (0.039 R)
• M18: 43,858,206 km (0.078 R)
• M19: 44,476,644 km (0.078 R)
• M20: 45,889,147 km (0.086 R)
• M21: 46,366,514 km (0.04 R)
• M22: 57,356,871 km (0.12 R)
• M23: 57,910,682 km (0.057 R)
• M24: 64,838,410 km (0.088 R)
• M25: 67,060,537 km (0.076 R)
• M26: 70,171,574 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.7

Radius: 3.6

Gravity: 49.59 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 9.86 AU - 10.02 AU

Year: 21632 Days

Day: 22.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 57,713,366 km

• M1: 45,029 km (0.081 R)
• M2: 167,250 km (0.037 R)
• M3: 472,430 km (0.094 R)
• M4: 1,391,859 km (0.098 R)
• M5: 1,879,847 km (0.12 R)
• M6: 2,812,889 km (0.095 R)
• M7: 3,322,270 km (0.114 R)
• M8: 3,922,307 km (0.056 R)
• M9: 4,281,491 km (0.12 R)
• M10: 5,372,359 km (0.083 R)
• M11: 5,773,730 km (0.09 R)
• M12: 6,818,372 km (0.047 R)
• M13: 7,531,654 km (0.05 R)
• M14: 8,188,987 km (0.064 R)
• M15: 8,345,916 km (0.116 R)
• M16: 8,504,789 km (0.063 R)
• M17: 10,087,384 km (0.069 R)
• M18: 11,138,160 km (0.111 R)
• M19: 11,657,115 km (0.114 R)
• M20: 12,328,211 km (0.074 R)
• M21: 12,465,392 km (0.076 R)
• M22: 13,382,427 km (0.1 R)
• M23: 14,725,218 km (0.105 R)
• M24: 15,270,801 km (0.117 R)
• M25: 15,588,547 km (0.107 R)
• M26: 18,291,182 km (0.077 R)
• M27: 21,786,536 km (0.12 R)
• M28: 23,217,440 km (0.082 R)
• M29: 25,479,210 km (0.107 R)
• M30: 27,883,697 km (0.071 R)
• M31: 28,001,729 km (0.094 R)
• M32: 30,938,036 km (0.091 R)
• M33: 38,135,489 km (0.042 R)
• M34: 57,420,300 km (0.037 R)
• M35: 59,156,832 km (0.1 R)
• M36: 64,369,720 km (0.08 R)
• M37: 70,755,155 km (0.118 R)
• M38: 72,750,043 km (0.029 R)
• M39: 75,697,271 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.3

Radius: 3.9

Gravity: 16.06 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.07 AU - 12.11 AU

Year: 22123 Days

Day: 22.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,713,366 km

• M1: 48,470 km (0.085 R)
• M2: 321,935 km (0.11 R)
• M3: 971,339 km (0.117 R)
• M4: 1,221,766 km (0.114 R)
• M5: 1,355,506 km (0.073 R)
• M6: 1,636,750 km (0.098 R)
• M7: 1,938,040 km (0.049 R)
• M8: 3,041,026 km (0.085 R)
• M9: 7,343,460 km (0.117 R)
• M10: 7,563,668 km (0.096 R)
• M11: 7,924,947 km (0.068 R)
• M12: 10,727,663 km (0.049 R)
• M13: 12,012,559 km (0.119 R)
• M14: 12,629,052 km (0.091 R)
• M15: 13,461,864 km (0.044 R)
• M16: 17,237,115 km (0.09 R)
• M17: 18,991,898 km (0.097 R)
• M18: 29,906,260 km (0.101 R)
• M19: 38,679,427 km (0.12 R)
• M20: 51,707,008 km (0.089 R)
• M21: 52,840,661 km (0.033 R)
• M22: 54,655,133 km (0.059 R)
• M23: 54,822,234 km (0.07 R)
• M24: 56,852,726 km (0.059 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 18,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit