🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.4

Radius: 11.3

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.07 AU - 1.51 AU

Year: 1011 Days

Day: 9.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,694,412 km

• M1: 143,464 km (0.116 R)
• M2: 574,157 km (0.099 R)
• M3: 1,154,596 km (0.098 R)
• M4: 1,912,459 km (0.096 R)
• M5: 2,532,393 km (0.074 R)
• M6: 3,210,969 km (0.075 R)
• M7: 3,860,523 km (0.112 R)
• M8: 4,277,153 km (0.102 R)
• M9: 5,503,556 km (0.047 R)
• M10: 6,033,133 km (0.095 R)
• M11: 6,783,964 km (0.048 R)
• M12: 7,570,550 km (0.089 R)
• M13: 8,638,080 km (0.084 R)
• M14: 10,711,507 km (0.081 R)
• M15: 11,070,392 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.5

Radius: 10.6

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.64 AU - 2.34 AU

Year: 1938 Days

Day: 11.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,694,412 km

• M1: 131,796 km (0.099 R)
• M2: 473,926 km (0.102 R)
• M3: 1,425,668 km (0.102 R)
• M4: 2,661,945 km (0.12 R)
• M5: 4,172,285 km (0.089 R)
• M6: 4,841,436 km (0.054 R)
• M7: 5,792,878 km (0.101 R)
• M8: 7,133,574 km (0.069 R)
• M9: 7,537,489 km (0.105 R)
• M10: 7,956,512 km (0.104 R)
• M11: 8,502,245 km (0.092 R)
• M12: 9,367,519 km (0.102 R)
• M13: 10,741,277 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.9

Radius: 10.8

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.75 AU - 4.45 AU

Year: 4715 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,694,412 km

• M1: 134,339 km (0.098 R)
• M2: 510,578 km (0.117 R)
• M3: 1,234,182 km (0.064 R)
• M4: 1,649,616 km (0.113 R)
• M5: 2,216,292 km (0.095 R)
• M6: 2,735,846 km (0.064 R)
• M7: 3,316,136 km (0.063 R)
• M8: 3,954,919 km (0.077 R)
• M9: 4,949,146 km (0.101 R)
• M10: 5,315,362 km (0.071 R)
• M11: 5,671,554 km (0.092 R)
• M12: 6,648,429 km (0.092 R)
• M13: 9,125,769 km (0.059 R)
• M14: 10,295,475 km (0.064 R)
• M15: 11,202,936 km (0.111 R)
• M16: 13,883,580 km (0.049 R)
• M17: 16,155,822 km (0.111 R)
• M18: 17,142,270 km (0.071 R)
• M19: 17,499,959 km (0.108 R)
• M20: 18,291,930 km (0.112 R)
• M21: 18,728,307 km (0.102 R)
• M22: 19,235,294 km (0.091 R)
• M23: 19,882,006 km (0.096 R)
• M24: 22,686,218 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.3

Radius: 11.5

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.48 AU - 4.02 AU

Year: 5013 Days

Day: 8.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,694,412 km

• M1: 143,165 km (0.041 R)
• M2: 522,246 km (0.05 R)
• M3: 901,327 km (0.067 R)
• M4: 1,428,660 km (0.072 R)
• M5: 2,538,526 km (0.106 R)
• M6: 3,041,474 km (0.108 R)
• M7: 3,718,853 km (0.056 R)
• M8: 5,015,119 km (0.102 R)
• M9: 5,374,902 km (0.079 R)
• M10: 5,901,636 km (0.112 R)
• M11: 6,303,157 km (0.098 R)
• M12: 6,856,070 km (0.05 R)
• M13: 7,511,907 km (0.111 R)
• M14: 9,314,861 km (0.118 R)
• M15: 11,202,487 km (0.113 R)
• M16: 11,627,794 km (0.036 R)
• M17: 13,597,100 km (0.102 R)
• M18: 16,314,396 km (0.112 R)
• M19: 18,056,762 km (0.081 R)
• M20: 20,335,287 km (0.118 R)
• M21: 21,543,739 km (0.048 R)
• M22: 21,908,010 km (0.042 R)
• M23: 24,259,838 km (0.048 R)
• M24: 25,213,824 km (0.097 R)
• M25: 25,618,486 km (0.097 R)
• M26: 26,110,064 km (0.092 R)
• M27: 27,027,399 km (0.048 R)
• M28: 27,708,069 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184

Radius: 10

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.43 AU - 4.41 AU

Year: 5357 Days

Day: 8.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,694,412 km

• M1: 127,906 km (0.026 R)
• M2: 623,973 km (0.08 R)
• M3: 956,978 km (0.083 R)
• M4: 1,383,481 km (0.107 R)
• M5: 1,935,348 km (0.109 R)
• M6: 2,437,548 km (0.109 R)
• M7: 3,406,643 km (0.074 R)
• M8: 3,938,912 km (0.113 R)
• M9: 4,636,636 km (0.052 R)
• M10: 5,389,862 km (0.093 R)
• M11: 6,443,629 km (0.12 R)
• M12: 8,241,197 km (0.108 R)
• M13: 8,609,956 km (0.095 R)
• M14: 9,453,239 km (0.052 R)
• M15: 10,820,264 km (0.107 R)
• M16: 11,181,543 km (0.106 R)
• M17: 12,975,970 km (0.117 R)
• M18: 14,370,072 km (0.118 R)
• M19: 15,964,486 km (0.105 R)
• M20: 17,453,584 km (0.075 R)
• M21: 20,339,476 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.4

Radius: 7.1

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.27 AU - 6.93 AU

Year: 11704 Days

Day: 18.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,694,412 km

• M1: 92,751 km (0.079 R)
• M2: 324,627 km (0.089 R)
• M3: 695,481 km (0.053 R)
• M4: 1,002,306 km (0.106 R)
• M5: 1,293,274 km (0.058 R)
• M6: 1,640,341 km (0.113 R)
• M7: 3,634,929 km (0.117 R)
• M8: 4,630,952 km (0.106 R)
• M9: 5,906,124 km (0.112 R)
• M10: 6,546,403 km (0.078 R)
• M11: 7,190,422 km (0.053 R)
• M12: 7,570,849 km (0.053 R)
• M13: 8,234,615 km (0.085 R)
• M14: 9,728,350 km (0.071 R)
• M15: 11,394,571 km (0.076 R)
• M16: 11,970,223 km (0.096 R)
• M17: 12,205,989 km (0.101 R)
• M18: 12,625,761 km (0.115 R)
• M19: 12,993,323 km (0.097 R)
• M20: 15,350,238 km (0.094 R)
• M21: 18,209,651 km (0.108 R)
• M22: 19,398,057 km (0.06 R)
• M23: 23,090,132 km (0.106 R)
• M24: 23,547,602 km (0.115 R)
• M25: 29,306,372 km (0.08 R)
• M26: 29,842,830 km (0.104 R)
• M27: 30,604,732 km (0.116 R)
• M28: 30,935,344 km (0.094 R)
• M29: 40,387,835 km (0.111 R)
• M30: 42,130,052 km (0.036 R)
• M31: 50,209,533 km (0.098 R)
• M32: 51,909,264 km (0.102 R)
• M33: 52,379,450 km (0.109 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 18,823 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit