🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.6

Radius: 10.6

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.65 AU - 0.93 AU

Year: 461 Days

Day: 5.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,979,654 km

• M1: 131,796 km (0.116 R)
• M2: 525,388 km (0.103 R)
• M3: 859,739 km (0.088 R)
• M4: 1,235,080 km (0.119 R)
• M5: 1,867,879 km (0.111 R)
• M6: 2,465,672 km (0.106 R)
• M7: 3,935,322 km (0.117 R)
• M8: 4,351,353 km (0.098 R)
• M9: 4,967,547 km (0.071 R)
• M10: 5,606,779 km (0.109 R)
• M11: 6,281,615 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.9

Radius: 8.8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.85 AU - 1.27 AU

Year: 716 Days

Day: 14.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,979,654 km

• M1: 110,702 km (0.087 R)
• M2: 808,576 km (0.034 R)
• M3: 1,486,704 km (0.093 R)
• M4: 2,222,426 km (0.064 R)
• M5: 3,528,266 km (0.071 R)
• M6: 4,183,953 km (0.097 R)
• M7: 4,826,327 km (0.053 R)
• M8: 5,858,402 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.3

Radius: 9.9

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.67 AU - 1.97 AU

Year: 1611 Days

Day: 7.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,979,654 km

• M1: 124,166 km (0.109 R)
• M2: 509,680 km (0.089 R)
• M3: 870,360 km (0.109 R)
• M4: 1,261,708 km (0.083 R)
• M5: 2,246,810 km (0.098 R)
• M6: 2,556,478 km (0.117 R)
• M7: 3,090,692 km (0.109 R)
• M8: 3,839,280 km (0.093 R)
• M9: 4,998,214 km (0.106 R)
• M10: 5,554,120 km (0.069 R)
• M11: 6,606,541 km (0.094 R)
• M12: 7,757,996 km (0.072 R)
• M13: 8,080,529 km (0.079 R)
• M14: 8,504,041 km (0.097 R)
• M15: 8,815,503 km (0.109 R)
• M16: 9,134,745 km (0.105 R)
• M17: 9,627,969 km (0.117 R)
• M18: 10,069,582 km (0.112 R)
• M19: 11,476,550 km (0.09 R)
• M20: 11,857,576 km (0.053 R)
• M21: 12,207,635 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28

Radius: 10.7

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.01 AU - 2.29 AU

Year: 2068 Days

Day: 14.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,979,654 km

• M1: 133,890 km (0.113 R)
• M2: 499,507 km (0.107 R)
• M3: 894,595 km (0.105 R)
• M4: 1,438,832 km (0.041 R)
• M5: 1,883,437 km (0.062 R)
• M6: 2,738,688 km (0.079 R)
• M7: 3,382,109 km (0.112 R)
• M8: 3,746,379 km (0.068 R)
• M9: 5,656,744 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.7

Radius: 8.3

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.13 AU - 2.69 AU

Year: 2454 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,979,654 km

• M1: 103,372 km (0.119 R)
• M2: 416,780 km (0.049 R)
• M3: 1,279,211 km (0.025 R)
• M4: 1,615,059 km (0.119 R)
• M5: 3,541,281 km (0.06 R)
• M6: 3,901,363 km (0.073 R)
• M7: 4,595,497 km (0.071 R)
• M8: 4,920,124 km (0.079 R)
• M9: 7,894,429 km (0.079 R)
• M10: 8,692,833 km (0.069 R)
• M11: 9,806,290 km (0.063 R)
• M12: 11,012,198 km (0.115 R)
• M13: 13,632,555 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.8

Radius: 11.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.44 AU - 3.32 AU

Year: 3206 Days

Day: 9.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,979,654 km

• M1: 144,960 km (0.087 R)
• M2: 616,493 km (0.055 R)
• M3: 1,127,070 km (0.058 R)
• M4: 1,935,198 km (0.065 R)
• M5: 3,183,293 km (0.03 R)
• M6: 3,904,804 km (0.052 R)
• M7: 4,322,930 km (0.118 R)
• M8: 4,946,902 km (0.116 R)
• M9: 6,119,750 km (0.071 R)
• M10: 7,108,442 km (0.109 R)
• M11: 8,919,474 km (0.113 R)
• M12: 9,932,251 km (0.096 R)
• M13: 11,054,235 km (0.08 R)
• M14: 12,591,952 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.1

Radius: 7.4

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.66 AU - 7.6 AU

Year: 11199 Days

Day: 20.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 48,979,654 km

• M1: 92,003 km (0.112 R)
• M2: 339,138 km (0.118 R)
• M3: 688,449 km (0.087 R)
• M4: 1,814,772 km (0.12 R)
• M5: 2,386,984 km (0.102 R)
• M6: 3,776,449 km (0.103 R)
• M7: 4,490,479 km (0.113 R)
• M8: 5,291,277 km (0.082 R)
• M9: 6,489,705 km (0.061 R)
• M10: 7,214,806 km (0.053 R)
• M11: 8,127,802 km (0.111 R)
• M12: 8,448,540 km (0.108 R)
• M13: 8,682,810 km (0.116 R)
• M14: 9,361,984 km (0.111 R)
• M15: 10,076,015 km (0.099 R)
• M16: 11,785,769 km (0.082 R)
• M17: 14,332,374 km (0.113 R)
• M18: 14,598,957 km (0.1 R)
• M19: 15,981,840 km (0.069 R)
• M20: 16,268,619 km (0.12 R)
• M21: 18,608,629 km (0.117 R)
• M22: 18,925,926 km (0.104 R)
• M23: 20,567,613 km (0.087 R)
• M24: 23,757,937 km (0.035 R)
• M25: 26,656,695 km (0.049 R)
• M26: 30,217,424 km (0.084 R)
• M27: 30,877,150 km (0.072 R)
• M28: 32,798,286 km (0.115 R)
• M29: 37,883,716 km (0.066 R)
• M30: 41,551,257 km (0.094 R)
• M31: 43,331,771 km (0.052 R)
• M32: 45,162,550 km (0.108 R)
• M33: 45,735,959 km (0.045 R)
• M34: 49,887,599 km (0.103 R)
• M35: 51,429,055 km (0.102 R)
• M36: 52,211,602 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.2

Radius: 7.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.12 AU - 7.4 AU

Year: 11530 Days

Day: 21.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,979,654 km

• M1: 154,983 km (0.085 R)
• M2: 1,374,206 km (0.119 R)
• M3: 2,463,129 km (0.098 R)
• M4: 5,623,534 km (0.115 R)
• M5: 10,837,917 km (0.095 R)
• M6: 12,959,514 km (0.071 R)
• M7: 13,386,167 km (0.045 R)
• M8: 15,134,667 km (0.115 R)
• M9: 17,947,257 km (0.098 R)
• M10: 20,447,187 km (0.041 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.4

Radius: 4.6

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.7 AU - 9 AU

Year: 15828 Days

Day: 23.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,979,654 km

• M1: 57,146 km (0.086 R)
• M2: 283,638 km (0.087 R)
• M3: 516,561 km (0.12 R)
• M4: 732,282 km (0.09 R)
• M5: 946,955 km (0.099 R)
• M6: 1,179,878 km (0.073 R)
• M7: 1,600,248 km (0.078 R)
• M8: 2,475,695 km (0.12 R)
• M9: 2,651,173 km (0.059 R)
• M10: 3,756,851 km (0.089 R)
• M11: 5,015,119 km (0.119 R)
• M12: 5,265,097 km (0.083 R)
• M13: 5,655,398 km (0.058 R)
• M14: 5,857,804 km (0.098 R)
• M15: 7,135,818 km (0.095 R)
• M16: 7,860,620 km (0.06 R)
• M17: 11,845,758 km (0.097 R)
• M18: 12,974,923 km (0.1 R)
• M19: 15,974,061 km (0.053 R)
• M20: 18,801,760 km (0.11 R)
• M21: 21,781,001 km (0.113 R)
• M22: 30,060,346 km (0.041 R)
• M23: 43,654,304 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.5

Radius: 7.9

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.81 AU - 9.03 AU

Year: 16028 Days

Day: 18.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,979,654 km

• M1: 98,735 km (0.057 R)
• M2: 633,098 km (0.078 R)
• M3: 1,028,635 km (0.112 R)
• M4: 1,378,844 km (0.048 R)
• M5: 1,670,111 km (0.098 R)
• M6: 2,436,351 km (0.115 R)
• M7: 3,087,999 km (0.086 R)
• M8: 3,442,546 km (0.105 R)
• M9: 4,149,695 km (0.063 R)
• M10: 4,825,130 km (0.103 R)
• M11: 5,744,109 km (0.117 R)
• M12: 7,541,528 km (0.096 R)
• M13: 9,488,395 km (0.047 R)
• M14: 10,137,500 km (0.119 R)
• M15: 10,976,594 km (0.077 R)
• M16: 14,998,383 km (0.077 R)
• M17: 17,667,509 km (0.05 R)
• M18: 18,648,871 km (0.077 R)
• M19: 24,659,264 km (0.118 R)
• M20: 26,172,147 km (0.116 R)
• M21: 26,755,130 km (0.029 R)
• M22: 27,947,126 km (0.077 R)
• M23: 28,864,012 km (0.108 R)
• M24: 32,620,863 km (0.117 R)
• M25: 33,637,231 km (0.079 R)
• M26: 36,090,337 km (0.108 R)
• M27: 39,037,116 km (0.031 R)
• M28: 43,480,621 km (0.113 R)
• M29: 44,710,914 km (0.096 R)
• M30: 45,404,450 km (0.107 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 19,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit