🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.3

Radius: 9.4

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.69 AU - 0.73 AU

Year: 399 Days

Day: 11.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,649,797 km

• M1: 116,836 km (0.098 R)
• M2: 421,716 km (0.029 R)
• M3: 797,955 km (0.072 R)
• M4: 1,609,075 km (0.112 R)
• M5: 2,237,087 km (0.113 R)
• M6: 2,904,293 km (0.088 R)
• M7: 3,376,574 km (0.083 R)
• M8: 4,002,341 km (0.07 R)
• M9: 5,091,264 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 10.7

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.7 AU - 1.04 AU

Year: 541 Days

Day: 14 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,649,797 km

• M1: 133,142 km (0.052 R)
• M2: 584,180 km (0.071 R)
• M3: 969,843 km (0.061 R)
• M4: 1,349,822 km (0.09 R)
• M5: 1,797,568 km (0.06 R)
• M6: 2,180,987 km (0.094 R)
• M7: 3,127,792 km (0.11 R)
• M8: 4,574,254 km (0.076 R)
• M9: 5,026,189 km (0.093 R)
• M10: 5,401,979 km (0.112 R)
• M11: 6,057,517 km (0.096 R)
• M12: 6,704,378 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.8

Radius: 9.4

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.28 AU - 1.34 AU

Year: 1000 Days

Day: 10.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,649,797 km

• M1: 116,986 km (0.101 R)
• M2: 647,310 km (0.069 R)
• M3: 1,023,399 km (0.111 R)
• M4: 1,415,495 km (0.057 R)
• M5: 1,839,605 km (0.086 R)
• M6: 2,139,998 km (0.08 R)
• M7: 2,740,035 km (0.051 R)
• M8: 3,080,071 km (0.072 R)
• M9: 3,751,466 km (0.102 R)
• M10: 4,481,803 km (0.085 R)
• M11: 5,051,322 km (0.054 R)
• M12: 5,544,995 km (0.098 R)
• M13: 6,791,594 km (0.077 R)
• M14: 7,848,951 km (0.108 R)
• M15: 9,069,072 km (0.082 R)
• M16: 10,349,031 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.8

Radius: 11.4

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.18 AU - 1.5 AU

Year: 1034 Days

Day: 9.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,649,797 km

• M1: 141,819 km (0.105 R)
• M2: 539,450 km (0.049 R)
• M3: 1,240,316 km (0.06 R)
• M4: 1,963,173 km (0.096 R)
• M5: 2,568,446 km (0.117 R)
• M6: 2,935,709 km (0.065 R)
• M7: 3,367,298 km (0.085 R)
• M8: 3,889,395 km (0.08 R)
• M9: 4,290,018 km (0.113 R)
• M10: 4,755,118 km (0.104 R)
• M11: 6,843,205 km (0.055 R)
• M12: 7,505,624 km (0.087 R)
• M13: 8,237,158 km (0.063 R)
• M14: 8,872,949 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.3

Radius: 10.4

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.53 AU - 2.23 AU

Year: 1719 Days

Day: 13.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,649,797 km

• M1: 129,402 km (0.094 R)
• M2: 457,620 km (0.09 R)
• M3: 887,564 km (0.108 R)
• M4: 1,220,120 km (0.1 R)
• M5: 1,545,496 km (0.032 R)
• M6: 1,988,455 km (0.118 R)
• M7: 3,201,694 km (0.071 R)
• M8: 4,272,366 km (0.066 R)
• M9: 4,600,583 km (0.12 R)
• M10: 5,115,350 km (0.03 R)
• M11: 6,304,204 km (0.077 R)
• M12: 8,025,327 km (0.091 R)
• M13: 8,663,213 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.6

Radius: 11

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.19 AU - 4.91 AU

Year: 5435 Days

Day: 7.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,649,797 km

• M1: 137,929 km (0.076 R)
• M2: 523,892 km (0.106 R)
• M3: 1,219,821 km (0.111 R)
• M4: 2,019,422 km (0.108 R)
• M5: 2,479,585 km (0.098 R)
• M6: 3,999,798 km (0.058 R)
• M7: 4,437,970 km (0.067 R)
• M8: 4,781,298 km (0.108 R)
• M9: 5,302,646 km (0.091 R)
• M10: 5,890,566 km (0.063 R)
• M11: 7,032,147 km (0.039 R)
• M12: 7,812,749 km (0.037 R)
• M13: 8,169,689 km (0.108 R)
• M14: 8,801,591 km (0.079 R)
• M15: 9,954,542 km (0.088 R)
• M16: 11,250,508 km (0.107 R)
• M17: 13,655,443 km (0.109 R)
• M18: 14,386,079 km (0.092 R)
• M19: 16,734,766 km (0.119 R)
• M20: 17,329,567 km (0.036 R)
• M21: 17,693,239 km (0.108 R)
• M22: 19,785,216 km (0.113 R)
• M23: 20,383,308 km (0.067 R)
• M24: 21,406,857 km (0.054 R)
• M25: 24,228,123 km (0.104 R)
• M26: 25,143,812 km (0.104 R)
• M27: 25,924,413 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.5

Radius: 13.2

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.27 AU - 5.23 AU

Year: 5843 Days

Day: 9.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,649,797 km

• M1: 165,754 km (0.084 R)
• M2: 595,250 km (0.076 R)
• M3: 1,088,025 km (0.106 R)
• M4: 1,837,062 km (0.088 R)
• M5: 2,708,469 km (0.12 R)
• M6: 3,485,331 km (0.097 R)
• M7: 5,098,146 km (0.037 R)
• M8: 7,342,712 km (0.099 R)
• M9: 8,649,749 km (0.081 R)
• M10: 12,438,913 km (0.081 R)
• M11: 12,918,823 km (0.108 R)
• M12: 13,411,000 km (0.111 R)
• M13: 15,456,751 km (0.118 R)
• M14: 16,320,230 km (0.102 R)
• M15: 17,430,994 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.7

Radius: 13.3

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.61 AU - 5.87 AU

Year: 7999 Days

Day: 9.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 38,649,797 km

• M1: 167,250 km (0.119 R)
• M2: 581,487 km (0.045 R)
• M3: 1,169,706 km (0.107 R)
• M4: 1,842,447 km (0.054 R)
• M5: 2,488,860 km (0.108 R)
• M6: 2,950,968 km (0.06 R)
• M7: 3,399,462 km (0.108 R)
• M8: 3,998,153 km (0.096 R)
• M9: 5,605,881 km (0.067 R)
• M10: 6,933,712 km (0.097 R)
• M11: 7,406,591 km (0.091 R)
• M12: 7,943,348 km (0.069 R)
• M13: 9,808,384 km (0.109 R)
• M14: 11,563,915 km (0.103 R)
• M15: 14,073,569 km (0.112 R)
• M16: 15,290,698 km (0.047 R)
• M17: 17,714,781 km (0.037 R)
• M18: 18,228,800 km (0.093 R)
• M19: 18,828,388 km (0.076 R)
• M20: 19,286,606 km (0.03 R)
• M21: 20,545,323 km (0.068 R)
• M22: 21,359,285 km (0.104 R)
• M23: 23,753,300 km (0.108 R)
• M24: 26,320,997 km (0.11 R)
• M25: 32,546,064 km (0.087 R)
• M26: 33,540,740 km (0.036 R)
• M27: 35,823,305 km (0.066 R)
• M28: 37,121,964 km (0.095 R)
• M29: 38,819,899 km (0.108 R)
• M30: 43,423,176 km (0.093 R)
• M31: 45,171,227 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.7

Radius: 3.8

Gravity: 13.21 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.61 AU - 6.51 AU

Year: 9948 Days

Day: 19 Hours

Environment

Temp: -220 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,649,797 km

• M1: 47,871 km (0.076 R)
• M2: 192,233 km (0.068 R)
• M3: 392,545 km (0.105 R)
• M4: 633,397 km (0.11 R)
• M5: 760,556 km (0.115 R)
• M6: 896,540 km (0.107 R)
• M7: 2,177,995 km (0.112 R)
• M8: 2,540,621 km (0.085 R)
• M9: 2,736,444 km (0.074 R)
• M10: 4,451,434 km (0.077 R)
• M11: 5,005,844 km (0.109 R)
• M12: 5,634,454 km (0.054 R)
• M13: 6,475,793 km (0.026 R)
• M14: 6,841,559 km (0.093 R)
• M15: 7,326,705 km (0.098 R)
• M16: 7,577,731 km (0.112 R)
• M17: 8,481,900 km (0.066 R)
• M18: 8,960,015 km (0.11 R)
• M19: 9,753,332 km (0.103 R)
• M20: 10,277,823 km (0.089 R)
• M21: 11,006,215 km (0.084 R)
• M22: 11,915,022 km (0.114 R)
• M23: 12,463,447 km (0.077 R)
• M24: 16,112,139 km (0.091 R)
• M25: 19,240,231 km (0.109 R)
• M26: 20,413,677 km (0.059 R)
• M27: 24,061,172 km (0.079 R)
• M28: 24,935,721 km (0.054 R)
• M29: 27,686,377 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.8

Radius: 7.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.4 AU - 8.46 AU

Year: 16322 Days

Day: 22.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,649,797 km

• M1: 88,263 km (0.025 R)
• M2: 435,330 km (0.082 R)
• M3: 907,909 km (0.07 R)
• M4: 1,305,092 km (0.104 R)
• M5: 1,657,993 km (0.083 R)
• M6: 2,668,976 km (0.071 R)
• M7: 4,117,532 km (0.107 R)
• M8: 4,966,500 km (0.094 R)
• M9: 5,829,231 km (0.097 R)
• M10: 6,364,941 km (0.037 R)
• M11: 8,252,118 km (0.095 R)
• M12: 11,074,132 km (0.088 R)
• M13: 11,531,004 km (0.114 R)
• M14: 12,537,050 km (0.101 R)
• M15: 14,006,849 km (0.102 R)
• M16: 14,661,938 km (0.117 R)
• M17: 16,161,956 km (0.094 R)
• M18: 16,486,882 km (0.027 R)
• M19: 19,980,292 km (0.11 R)
• M20: 21,741,208 km (0.064 R)
• M21: 23,189,615 km (0.096 R)
• M22: 23,603,103 km (0.075 R)
• M23: 25,219,359 km (0.08 R)
• M24: 31,912,816 km (0.101 R)
• M25: 37,278,144 km (0.059 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 20,327 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit