🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.4

Radius: 12.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.76 AU - 1.24 AU

Year: 656 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,539,219 km

• M1: 160,818 km (0.116 R)
• M2: 629,657 km (0.095 R)
• M3: 1,212,640 km (0.111 R)
• M4: 1,911,711 km (0.103 R)
• M5: 2,816,778 km (0.081 R)
• M6: 3,390,337 km (0.043 R)
• M7: 4,802,391 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.5

Radius: 14.4

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.87 AU - 2.05 AU

Year: 1800 Days

Day: 13.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 107.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,539,219 km

• M1: 179,069 km (0.114 R)
• M2: 720,613 km (0.114 R)
• M3: 1,216,081 km (0.111 R)
• M4: 2,045,302 km (0.09 R)
• M5: 2,549,746 km (0.068 R)
• M6: 3,063,016 km (0.102 R)
• M7: 4,062,629 km (0.047 R)
• M8: 4,708,593 km (0.029 R)
• M9: 6,378,704 km (0.111 R)
• M10: 7,121,008 km (0.083 R)
• M11: 7,582,368 km (0.073 R)
• M12: 8,150,840 km (0.082 R)
• M13: 8,656,481 km (0.098 R)
• M14: 9,309,775 km (0.074 R)
• M15: 10,368,778 km (0.097 R)
• M16: 10,927,676 km (0.103 R)
• M17: 11,728,922 km (0.116 R)
• M18: 12,924,059 km (0.094 R)
• M19: 14,114,410 km (0.119 R)
• M20: 14,584,596 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866

Radius: 9.4

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.65 AU - 2.81 AU

Year: 2959 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,539,219 km

• M1: 118,930 km (0.077 R)
• M2: 614,249 km (0.072 R)
• M3: 970,142 km (0.045 R)
• M4: 1,765,404 km (0.075 R)
• M5: 2,148,375 km (0.111 R)
• M6: 2,962,038 km (0.042 R)
• M7: 3,844,067 km (0.096 R)
• M8: 4,447,395 km (0.109 R)
• M9: 4,891,850 km (0.059 R)
• M10: 6,007,701 km (0.063 R)
• M11: 6,463,526 km (0.104 R)
• M12: 7,253,402 km (0.12 R)
• M13: 8,699,266 km (0.08 R)
• M14: 9,971,596 km (0.055 R)
• M15: 10,448,962 km (0.042 R)
• M16: 10,983,326 km (0.095 R)
• M17: 11,753,007 km (0.097 R)
• M18: 12,240,846 km (0.087 R)
• M19: 16,042,726 km (0.105 R)
• M20: 16,532,958 km (0.108 R)
• M21: 18,180,928 km (0.099 R)
• M22: 21,015,359 km (0.108 R)
• M23: 22,000,012 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.1

Radius: 10.1

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.69 AU - 2.99 AU

Year: 3140 Days

Day: 11.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,539,219 km

• M1: 125,662 km (0.097 R)
• M2: 500,405 km (0.118 R)
• M3: 1,031,328 km (0.062 R)
• M4: 1,603,540 km (0.104 R)
• M5: 2,418,399 km (0.108 R)
• M6: 2,755,294 km (0.12 R)
• M7: 3,090,243 km (0.029 R)
• M8: 3,785,574 km (0.074 R)
• M9: 4,180,961 km (0.107 R)
• M10: 4,581,884 km (0.115 R)
• M11: 5,031,724 km (0.075 R)
• M12: 5,889,967 km (0.078 R)
• M13: 6,986,969 km (0.116 R)
• M14: 7,895,327 km (0.099 R)
• M15: 9,156,586 km (0.084 R)
• M16: 9,509,787 km (0.099 R)
• M17: 9,908,765 km (0.116 R)
• M18: 12,715,819 km (0.115 R)
• M19: 13,606,226 km (0.088 R)
• M20: 17,372,202 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.5

Radius: 13

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.29 AU - 5.35 AU

Year: 6942 Days

Day: 13.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,539,219 km

• M1: 162,014 km (0.092 R)
• M2: 648,058 km (0.066 R)
• M3: 1,451,099 km (0.043 R)
• M4: 2,960,841 km (0.117 R)
• M5: 4,099,879 km (0.057 R)
• M6: 4,564,231 km (0.062 R)
• M7: 6,653,365 km (0.115 R)
• M8: 7,908,791 km (0.106 R)
• M9: 8,990,084 km (0.11 R)
• M10: 10,885,339 km (0.064 R)
• M11: 13,612,658 km (0.106 R)
• M12: 14,153,604 km (0.111 R)
• M13: 15,981,391 km (0.059 R)
• M14: 18,877,755 km (0.098 R)
• M15: 21,813,314 km (0.047 R)
• M16: 26,516,671 km (0.098 R)
• M17: 29,461,655 km (0.039 R)
• M18: 31,106,035 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.4

Radius: 10.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.28 AU - 6.2 AU

Year: 9021 Days

Day: 11.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,539,219 km

• M1: 129,402 km (0.032 R)
• M2: 457,021 km (0.107 R)
• M3: 795,262 km (0.107 R)
• M4: 1,230,293 km (0.049 R)
• M5: 1,634,207 km (0.092 R)
• M6: 2,464,775 km (0.08 R)
• M7: 3,660,809 km (0.12 R)
• M8: 4,081,628 km (0.061 R)
• M9: 4,760,503 km (0.106 R)
• M10: 5,713,143 km (0.059 R)
• M11: 6,626,886 km (0.094 R)
• M12: 7,599,871 km (0.037 R)
• M13: 9,335,206 km (0.062 R)
• M14: 12,559,040 km (0.084 R)
• M15: 14,638,152 km (0.089 R)
• M16: 20,683,850 km (0.097 R)
• M17: 21,522,646 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.8

Radius: 14.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.69 AU - 5.89 AU

Year: 9140 Days

Day: 5.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,539,219 km

• M1: 179,218 km (0.045 R)
• M2: 679,025 km (0.093 R)
• M3: 1,152,951 km (0.113 R)
• M4: 1,754,633 km (0.102 R)
• M5: 2,251,598 km (0.109 R)
• M6: 2,884,845 km (0.043 R)
• M7: 3,887,899 km (0.12 R)
• M8: 5,081,241 km (0.097 R)
• M9: 5,797,516 km (0.038 R)
• M10: 6,469,659 km (0.057 R)
• M11: 7,886,201 km (0.108 R)
• M12: 10,590,482 km (0.082 R)
• M13: 11,434,364 km (0.058 R)
• M14: 12,040,085 km (0.089 R)
• M15: 13,136,937 km (0.091 R)
• M16: 15,396,762 km (0.094 R)
• M17: 16,828,863 km (0.101 R)
• M18: 19,488,264 km (0.07 R)
• M19: 21,575,454 km (0.107 R)
• M20: 22,416,643 km (0.113 R)
• M21: 23,192,307 km (0.104 R)
• M22: 23,807,903 km (0.111 R)
• M23: 30,578,104 km (0.045 R)
• M24: 32,179,699 km (0.086 R)
• M25: 35,549,391 km (0.052 R)
• M26: 38,654,594 km (0.065 R)
• M27: 46,502,498 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904.2

Radius: 6.8

Gravity: 19.55 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.26 AU - 7.26 AU

Year: 10275 Days

Day: 17.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,539,219 km

• M1: 84,523 km (0.098 R)
• M2: 734,974 km (0.099 R)
• M3: 1,102,088 km (0.065 R)
• M4: 2,005,509 km (0.103 R)
• M5: 4,073,251 km (0.066 R)
• M6: 5,777,320 km (0.111 R)
• M7: 6,220,728 km (0.063 R)
• M8: 9,674,644 km (0.112 R)
• M9: 12,458,062 km (0.081 R)
• M10: 16,892,442 km (0.083 R)
• M11: 17,190,740 km (0.09 R)
• M12: 17,568,624 km (0.109 R)
• M13: 22,455,837 km (0.047 R)
• M14: 25,942,515 km (0.116 R)
• M15: 32,222,185 km (0.108 R)
• M16: 43,918,793 km (0.041 R)
• M17: 45,626,453 km (0.043 R)
• M18: 53,379,063 km (0.106 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: 376 - 19,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit