🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.8

Radius: 11.4

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.15 AU - 1.65 AU

Year: 1105 Days

Day: 13.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,653,818 km

• M1: 141,819 km (0.11 R)
• M2: 574,905 km (0.065 R)
• M3: 995,424 km (0.084 R)
• M4: 1,392,307 km (0.113 R)
• M5: 1,996,683 km (0.069 R)
• M6: 2,448,468 km (0.084 R)
• M7: 2,927,780 km (0.069 R)
• M8: 3,484,434 km (0.058 R)
• M9: 3,910,339 km (0.11 R)
• M10: 5,159,780 km (0.112 R)
• M11: 5,822,499 km (0.083 R)
• M12: 6,517,830 km (0.074 R)
• M13: 7,755,154 km (0.064 R)
• M14: 8,319,138 km (0.06 R)
• M15: 8,710,336 km (0.099 R)
• M16: 9,589,972 km (0.099 R)
• M17: 10,755,339 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.2

Radius: 12.7

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.54 AU - 2.02 AU

Year: 1584 Days

Day: 11.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,653,818 km

• M1: 158,125 km (0.034 R)
• M2: 577,597 km (0.11 R)
• M3: 1,054,216 km (0.085 R)
• M4: 1,620,893 km (0.106 R)
• M5: 2,253,243 km (0.093 R)
• M6: 2,899,506 km (0.047 R)
• M7: 3,295,791 km (0.071 R)
• M8: 3,967,186 km (0.06 R)
• M9: 4,582,781 km (0.037 R)
• M10: 5,984,663 km (0.12 R)
• M11: 6,495,240 km (0.085 R)
• M12: 7,131,630 km (0.081 R)
• M13: 7,835,188 km (0.119 R)
• M14: 8,751,326 km (0.089 R)
• M15: 9,293,469 km (0.114 R)
• M16: 10,572,231 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.3

Radius: 9.3

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.75 AU - 2.49 AU

Year: 2058 Days

Day: 14.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,653,818 km

• M1: 118,631 km (0.113 R)
• M2: 447,597 km (0.071 R)
• M3: 784,641 km (0.07 R)
• M4: 1,122,134 km (0.103 R)
• M5: 1,787,994 km (0.093 R)
• M6: 2,280,769 km (0.058 R)
• M7: 3,098,322 km (0.109 R)
• M8: 3,503,732 km (0.118 R)
• M9: 3,793,503 km (0.106 R)
• M10: 4,218,062 km (0.065 R)
• M11: 4,631,550 km (0.075 R)
• M12: 5,612,463 km (0.03 R)
• M13: 6,010,842 km (0.049 R)
• M14: 6,374,814 km (0.083 R)
• M15: 7,061,618 km (0.099 R)
• M16: 7,645,798 km (0.054 R)
• M17: 9,316,058 km (0.078 R)
• M18: 9,628,119 km (0.116 R)
• M19: 9,947,211 km (0.109 R)
• M20: 12,972,978 km (0.098 R)
• M21: 14,119,645 km (0.074 R)
• M22: 15,670,826 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.3

Radius: 9.4

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.61 AU - 2.65 AU

Year: 2844 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,653,818 km

• M1: 125,513 km (0.03 R)
• M2: 535,112 km (0.054 R)
• M3: 865,274 km (0.1 R)
• M4: 1,603,988 km (0.046 R)
• M5: 2,102,448 km (0.101 R)
• M6: 2,671,968 km (0.057 R)
• M7: 3,358,173 km (0.104 R)
• M8: 4,401,917 km (0.052 R)
• M9: 5,358,446 km (0.097 R)
• M10: 8,856,493 km (0.091 R)
• M11: 13,069,468 km (0.082 R)
• M12: 14,048,287 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.6

Radius: 10.3

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.72 AU - 4 AU

Year: 4107 Days

Day: 11.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,653,818 km

• M1: 128,804 km (0.109 R)
• M2: 453,431 km (0.061 R)
• M3: 790,026 km (0.064 R)
• M4: 1,266,496 km (0.117 R)
• M5: 1,626,877 km (0.102 R)
• M6: 2,004,911 km (0.059 R)
• M7: 3,661,258 km (0.069 R)
• M8: 4,147,003 km (0.106 R)
• M9: 4,932,242 km (0.049 R)
• M10: 5,681,727 km (0.089 R)
• M11: 6,767,209 km (0.095 R)
• M12: 7,628,295 km (0.053 R)
• M13: 8,664,858 km (0.103 R)
• M14: 9,090,464 km (0.117 R)
• M15: 10,451,506 km (0.11 R)
• M16: 12,605,865 km (0.12 R)
• M17: 15,397,959 km (0.101 R)
• M18: 19,708,921 km (0.026 R)
• M19: 20,198,405 km (0.097 R)
• M20: 21,011,021 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.3

Radius: 13.1

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.15 AU - 5.29 AU

Year: 7953 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,653,818 km

• M1: 162,912 km (0.085 R)
• M2: 674,238 km (0.115 R)
• M3: 1,347,278 km (0.113 R)
• M4: 2,024,957 km (0.118 R)
• M5: 2,641,300 km (0.099 R)
• M6: 3,088,298 km (0.045 R)
• M7: 3,932,330 km (0.117 R)
• M8: 4,373,045 km (0.118 R)
• M9: 4,872,851 km (0.082 R)
• M10: 7,369,042 km (0.058 R)
• M11: 8,301,635 km (0.049 R)
• M12: 10,887,434 km (0.056 R)
• M13: 12,290,811 km (0.082 R)
• M14: 12,834,450 km (0.099 R)
• M15: 14,023,304 km (0.079 R)
• M16: 15,171,767 km (0.079 R)
• M17: 16,322,773 km (0.078 R)
• M18: 17,040,993 km (0.117 R)
• M19: 20,467,532 km (0.06 R)
• M20: 22,598,254 km (0.111 R)
• M21: 23,115,863 km (0.108 R)
• M22: 23,945,383 km (0.109 R)
• M23: 24,638,919 km (0.079 R)
• M24: 26,881,989 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.6

Radius: 11.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.49 AU - 5.73 AU

Year: 8861 Days

Day: 13.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,653,818 km

• M1: 148,251 km (0.027 R)
• M2: 551,418 km (0.119 R)
• M3: 969,095 km (0.106 R)
• M4: 1,439,281 km (0.113 R)
• M5: 2,754,097 km (0.115 R)
• M6: 4,247,981 km (0.087 R)
• M7: 6,106,585 km (0.071 R)
• M8: 6,529,199 km (0.113 R)
• M9: 8,754,019 km (0.063 R)
• M10: 10,183,426 km (0.113 R)
• M11: 18,085,036 km (0.101 R)
• M12: 21,065,325 km (0.114 R)
• M13: 24,660,461 km (0.112 R)
• M14: 25,736,070 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.9

Radius: 3.8

Gravity: 39.95 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.52 AU - 6.7 AU

Year: 10071 Days

Day: 18.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,653,818 km

• M1: 47,273 km (0.085 R)
• M2: 171,888 km (0.115 R)
• M3: 524,490 km (0.094 R)
• M4: 765,642 km (0.116 R)
• M5: 921,822 km (0.065 R)
• M6: 1,213,688 km (0.095 R)
• M7: 1,694,944 km (0.059 R)
• M8: 1,929,214 km (0.104 R)
• M9: 2,501,127 km (0.07 R)
• M10: 2,911,623 km (0.05 R)
• M11: 4,355,243 km (0.116 R)
• M12: 4,916,534 km (0.074 R)
• M13: 5,458,228 km (0.092 R)
• M14: 6,038,668 km (0.06 R)
• M15: 6,472,501 km (0.098 R)
• M16: 8,550,117 km (0.063 R)
• M17: 9,050,222 km (0.064 R)
• M18: 10,770,897 km (0.115 R)
• M19: 12,352,595 km (0.055 R)
• M20: 12,698,017 km (0.054 R)
• M21: 13,590,069 km (0.104 R)
• M22: 14,907,877 km (0.103 R)
• M23: 16,864,467 km (0.099 R)
• M24: 18,087,430 km (0.069 R)
• M25: 22,447,908 km (0.032 R)
• M26: 23,660,100 km (0.091 R)
• M27: 24,014,198 km (0.06 R)
• M28: 26,688,559 km (0.118 R)
• M29: 32,510,460 km (0.096 R)
• M30: 33,058,287 km (0.061 R)
• M31: 34,852,414 km (0.112 R)
• M32: 35,889,576 km (0.085 R)
• M33: 38,511,129 km (0.112 R)
• M34: 39,993,495 km (0.076 R)
• M35: 41,513,559 km (0.091 R)
• M36: 44,131,671 km (0.029 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.2

Radius: 7.6

Gravity: 15.98 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.99 AU - 8.01 AU

Year: 15089 Days

Day: 21.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,653,818 km

• M1: 94,546 km (0.087 R)
• M2: 412,741 km (0.114 R)
• M3: 685,009 km (0.058 R)
• M4: 951,891 km (0.094 R)
• M5: 3,792,156 km (0.063 R)
• M6: 4,613,449 km (0.112 R)
• M7: 5,702,521 km (0.057 R)
• M8: 8,480,105 km (0.116 R)
• M9: 10,568,042 km (0.115 R)
• M10: 20,550,559 km (0.111 R)
• M11: 22,354,410 km (0.106 R)
• M12: 25,841,686 km (0.111 R)
• M13: 27,489,207 km (0.064 R)
• M14: 28,396,069 km (0.112 R)
• M15: 29,089,156 km (0.118 R)
• M16: 32,850,795 km (0.105 R)
• M17: 34,000,754 km (0.096 R)
• M18: 35,842,603 km (0.1 R)
• M19: 40,011,596 km (0.109 R)
• M20: 42,963,611 km (0.083 R)
• M21: 47,335,758 km (0.065 R)
• M22: 50,130,097 km (0.064 R)
• M23: 53,906,994 km (0.119 R)
• M24: 60,299,760 km (0.076 R)
• M25: 64,566,142 km (0.048 R)
• M26: 64,963,773 km (0.111 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 19,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit