🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.3

Radius: 8.8

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.12 AU - 1.32 AU

Year: 870 Days

Day: 9.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,785,167 km

• M1: 135,236 km (0.032 R)
• M2: 555,606 km (0.104 R)
• M3: 922,271 km (0.096 R)
• M4: 1,569,581 km (0.098 R)
• M5: 1,925,624 km (0.06 R)
• M6: 2,324,601 km (0.051 R)
• M7: 2,608,688 km (0.039 R)
• M8: 3,473,363 km (0.078 R)
• M9: 3,956,116 km (0.085 R)
• M10: 4,710,089 km (0.095 R)
• M11: 6,434,952 km (0.114 R)
• M12: 7,164,092 km (0.08 R)
• M13: 8,333,499 km (0.106 R)
• M14: 8,950,141 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.1

Radius: 14.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.06 AU - 2.12 AU

Year: 1951 Days

Day: 8.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,785,167 km

• M1: 176,675 km (0.12 R)
• M2: 728,392 km (0.06 R)
• M3: 1,261,559 km (0.111 R)
• M4: 1,714,541 km (0.075 R)
• M5: 2,267,455 km (0.037 R)
• M6: 3,162,499 km (0.1 R)
• M7: 3,629,095 km (0.078 R)
• M8: 4,553,909 km (0.078 R)
• M9: 5,274,522 km (0.077 R)
• M10: 5,847,482 km (0.101 R)
• M11: 6,368,232 km (0.069 R)
• M12: 7,296,786 km (0.069 R)
• M13: 7,793,899 km (0.089 R)
• M14: 8,341,727 km (0.099 R)
• M15: 9,181,869 km (0.101 R)
• M16: 10,141,539 km (0.058 R)
• M17: 11,864,607 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122

Radius: 9.4

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.63 AU - 3.81 AU

Year: 4633 Days

Day: 14.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,785,167 km

• M1: 116,836 km (0.113 R)
• M2: 457,620 km (0.083 R)
• M3: 792,420 km (0.062 R)
• M4: 1,112,260 km (0.099 R)
• M5: 1,968,259 km (0.079 R)
• M6: 2,268,353 km (0.1 R)
• M7: 2,769,356 km (0.096 R)
• M8: 5,805,744 km (0.063 R)
• M9: 7,181,296 km (0.115 R)
• M10: 9,583,838 km (0.071 R)
• M11: 11,190,220 km (0.098 R)
• M12: 12,156,473 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.8

Radius: 9.9

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.63 AU - 5.45 AU

Year: 7306 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,785,167 km

• M1: 123,418 km (0.09 R)
• M2: 523,742 km (0.081 R)
• M3: 1,049,279 km (0.076 R)
• M4: 1,369,120 km (0.075 R)
• M5: 2,047,247 km (0.113 R)
• M6: 2,711,761 km (0.107 R)
• M7: 3,171,325 km (0.068 R)
• M8: 4,664,910 km (0.066 R)
• M9: 5,486,053 km (0.108 R)
• M10: 6,472,352 km (0.099 R)
• M11: 6,988,913 km (0.042 R)
• M12: 7,453,265 km (0.11 R)
• M13: 11,889,291 km (0.116 R)
• M14: 13,532,773 km (0.115 R)
• M15: 17,404,815 km (0.051 R)
• M16: 17,828,625 km (0.08 R)
• M17: 18,331,723 km (0.083 R)
• M18: 19,898,013 km (0.083 R)
• M19: 20,911,239 km (0.103 R)
• M20: 23,465,922 km (0.085 R)
• M21: 27,725,123 km (0.049 R)
• M22: 29,285,279 km (0.087 R)
• M23: 31,944,082 km (0.111 R)
• M24: 33,116,032 km (0.07 R)
• M25: 33,549,118 km (0.103 R)
• M26: 36,113,524 km (0.093 R)
• M27: 37,151,734 km (0.1 R)
• M28: 41,004,178 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.7

Radius: 14.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.49 AU - 5.87 AU

Year: 7612 Days

Day: 7.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,785,167 km

• M1: 184,454 km (0.101 R)
• M2: 865,872 km (0.098 R)
• M3: 1,864,588 km (0.06 R)
• M4: 3,153,523 km (0.111 R)
• M5: 3,615,631 km (0.059 R)
• M6: 4,367,061 km (0.083 R)
• M7: 6,218,933 km (0.071 R)
• M8: 7,262,079 km (0.089 R)
• M9: 8,289,368 km (0.027 R)
• M10: 9,041,845 km (0.103 R)
• M11: 9,887,970 km (0.085 R)
• M12: 10,581,955 km (0.085 R)
• M13: 15,516,590 km (0.098 R)
• M14: 22,729,601 km (0.095 R)
• M15: 24,382,807 km (0.116 R)
• M16: 26,208,350 km (0.109 R)
• M17: 27,442,981 km (0.096 R)
• M18: 37,193,920 km (0.107 R)
• M19: 38,752,431 km (0.111 R)
• M20: 40,354,026 km (0.046 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.8

Radius: 4.9

Gravity: 19.11 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.56 AU - 7.48 AU

Year: 9537 Days

Day: 16.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,785,167 km

• M1: 60,886 km (0.053 R)
• M2: 400,324 km (0.038 R)
• M3: 672,293 km (0.063 R)
• M4: 850,613 km (0.067 R)
• M5: 1,050,476 km (0.074 R)
• M6: 1,329,027 km (0.091 R)
• M7: 1,876,107 km (0.057 R)
• M8: 2,234,992 km (0.115 R)
• M9: 2,981,785 km (0.09 R)
• M10: 5,965,514 km (0.112 R)
• M11: 6,848,142 km (0.097 R)
• M12: 16,302,727 km (0.119 R)
• M13: 17,246,091 km (0.107 R)
• M14: 19,020,023 km (0.105 R)
• M15: 23,681,642 km (0.066 R)
• M16: 25,867,417 km (0.091 R)
• M17: 26,594,313 km (0.081 R)
• M18: 32,276,489 km (0.12 R)
• M19: 36,181,741 km (0.1 R)
• M20: 38,247,538 km (0.115 R)
• M21: 38,599,243 km (0.104 R)
• M22: 39,907,626 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.6

Radius: 6.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.93 AU - 7.33 AU

Year: 9800 Days

Day: 23.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,785,167 km

• M1: 82,279 km (0.113 R)
• M2: 317,297 km (0.117 R)
• M3: 547,977 km (0.036 R)
• M4: 2,164,382 km (0.104 R)
• M5: 2,984,029 km (0.073 R)
• M6: 3,550,855 km (0.094 R)
• M7: 4,497,959 km (0.094 R)
• M8: 5,042,346 km (0.086 R)
• M9: 5,550,829 km (0.107 R)
• M10: 6,849,339 km (0.031 R)
• M11: 7,250,261 km (0.088 R)
• M12: 8,796,056 km (0.092 R)
• M13: 9,085,677 km (0.114 R)
• M14: 10,752,945 km (0.077 R)
• M15: 11,680,303 km (0.107 R)
• M16: 12,208,084 km (0.11 R)
• M17: 12,659,869 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784

Radius: 4.8

Gravity: 34.03 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.09 AU - 7.89 AU

Year: 11932 Days

Day: 22.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,785,167 km

• M1: 63,280 km (0.082 R)
• M2: 372,200 km (0.079 R)
• M3: 552,315 km (0.116 R)
• M4: 919,129 km (0.112 R)
• M5: 1,419,833 km (0.107 R)
• M6: 1,690,007 km (0.043 R)
• M7: 3,558,784 km (0.06 R)
• M8: 5,580,150 km (0.104 R)
• M9: 6,770,351 km (0.098 R)
• M10: 6,935,357 km (0.083 R)
• M11: 7,711,471 km (0.08 R)
• M12: 8,688,046 km (0.096 R)
• M13: 9,434,390 km (0.073 R)
• M14: 10,604,993 km (0.054 R)
• M15: 12,975,521 km (0.116 R)
• M16: 13,882,383 km (0.026 R)
• M17: 14,900,098 km (0.103 R)
• M18: 15,179,546 km (0.051 R)
• M19: 17,621,133 km (0.043 R)
• M20: 19,469,564 km (0.114 R)
• M21: 21,266,833 km (0.084 R)
• M22: 22,985,414 km (0.106 R)
• M23: 24,213,313 km (0.05 R)
• M24: 25,884,172 km (0.062 R)
• M25: 26,491,838 km (0.069 R)
• M26: 28,693,470 km (0.084 R)
• M27: 29,783,440 km (0.088 R)
• M28: 30,450,497 km (0.068 R)
• M29: 35,899,450 km (0.101 R)
• M30: 39,916,452 km (0.116 R)
• M31: 40,591,288 km (0.081 R)
• M32: 44,366,989 km (0.104 R)
• M33: 54,237,456 km (0.105 R)
• M34: 54,567,469 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.4

Radius: 5.2

Gravity: 34.74 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.41 AU - 8.75 AU

Year: 12164 Days

Day: 23.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,785,167 km

• M1: 68,067 km (0.068 R)
• M2: 692,638 km (0.049 R)
• M3: 861,385 km (0.083 R)
• M4: 1,154,896 km (0.092 R)
• M5: 1,605,036 km (0.106 R)
• M6: 1,784,553 km (0.113 R)
• M7: 4,817,201 km (0.091 R)
• M8: 5,088,721 km (0.071 R)
• M9: 5,625,329 km (0.091 R)
• M10: 6,278,174 km (0.119 R)
• M11: 10,205,118 km (0.115 R)
• M12: 15,880,861 km (0.114 R)
• M13: 16,330,552 km (0.085 R)
• M14: 16,635,134 km (0.082 R)
• M15: 18,790,540 km (0.099 R)
• M16: 21,125,015 km (0.09 R)
• M17: 23,069,338 km (0.083 R)
• M18: 26,464,911 km (0.12 R)
• M19: 29,164,254 km (0.101 R)
• M20: 32,879,667 km (0.1 R)
• M21: 38,085,524 km (0.103 R)
• M22: 40,257,685 km (0.116 R)
• M23: 47,730,397 km (0.06 R)
• M24: 48,980,437 km (0.092 R)
• M25: 49,772,857 km (0.074 R)
• M26: 51,220,516 km (0.112 R)
• M27: 51,546,041 km (0.114 R)
• M28: 58,704,000 km (0.08 R)
• M29: 59,777,813 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.3

Radius: 3.4

Gravity: 47.78 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.12 AU - 8.14 AU

Year: 13608 Days

Day: 16.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,785,167 km

• M1: 42,336 km (0.103 R)
• M2: 168,148 km (0.074 R)
• M3: 383,270 km (0.104 R)
• M4: 771,027 km (0.101 R)
• M5: 993,330 km (0.099 R)
• M6: 1,131,857 km (0.088 R)
• M7: 1,349,971 km (0.084 R)
• M8: 2,491,403 km (0.03 R)
• M9: 3,069,898 km (0.109 R)
• M10: 3,598,577 km (0.097 R)
• M11: 3,733,065 km (0.085 R)
• M12: 4,098,084 km (0.051 R)
• M13: 4,334,299 km (0.103 R)
• M14: 4,486,440 km (0.032 R)
• M15: 5,097,547 km (0.039 R)
• M16: 6,096,412 km (0.09 R)
• M17: 6,926,232 km (0.1 R)
• M18: 7,651,033 km (0.096 R)
• M19: 11,925,942 km (0.09 R)
• M20: 12,224,988 km (0.069 R)
• M21: 12,467,935 km (0.115 R)
• M22: 16,213,716 km (0.049 R)
• M23: 18,261,412 km (0.117 R)
• M24: 19,884,848 km (0.085 R)
• M25: 20,305,218 km (0.044 R)
• M26: 22,678,140 km (0.11 R)
• M27: 23,044,654 km (0.036 R)
• M28: 24,168,134 km (0.103 R)
• M29: 27,341,255 km (0.109 R)
• M30: 29,350,953 km (0.113 R)
• M31: 30,336,354 km (0.067 R)
• M32: 33,306,620 km (0.096 R)
• M33: 33,661,316 km (0.116 R)
• M34: 39,288,440 km (0.076 R)
• M35: 43,228,399 km (0.073 R)
• M36: 49,235,950 km (0.051 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 10,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit