🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.6

Radius: 8.5

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.81 AU - 0.93 AU

Year: 532 Days

Day: 10.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,881,562 km

• M1: 105,766 km (0.054 R)
• M2: 490,382 km (0.094 R)
• M3: 972,087 km (0.104 R)
• M4: 1,542,952 km (0.076 R)
• M5: 1,820,307 km (0.095 R)
• M6: 2,321,909 km (0.117 R)
• M7: 2,620,356 km (0.072 R)
• M8: 3,272,453 km (0.094 R)
• M9: 3,637,173 km (0.117 R)
• M10: 3,950,730 km (0.11 R)
• M11: 4,941,517 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.8

Radius: 8.6

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.3 AU - 1.56 AU

Year: 1122 Days

Day: 11.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,881,562 km

• M1: 106,962 km (0.115 R)
• M2: 395,537 km (0.076 R)
• M3: 731,384 km (0.116 R)
• M4: 1,192,594 km (0.116 R)
• M5: 1,517,820 km (0.11 R)
• M6: 2,143,289 km (0.07 R)
• M7: 2,415,856 km (0.1 R)
• M8: 2,905,789 km (0.063 R)
• M9: 3,675,171 km (0.092 R)
• M10: 4,259,500 km (0.12 R)
• M11: 4,922,069 km (0.048 R)
• M12: 5,231,587 km (0.083 R)
• M13: 5,869,921 km (0.056 R)
• M14: 7,277,787 km (0.11 R)
• M15: 7,632,334 km (0.048 R)
• M16: 8,223,694 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.2

Radius: 11

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.81 AU - 2.21 AU

Year: 1869 Days

Day: 14.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,881,562 km

• M1: 136,882 km (0.112 R)
• M2: 490,382 km (0.111 R)
• M3: 984,204 km (0.103 R)
• M4: 1,524,103 km (0.11 R)
• M5: 1,892,114 km (0.07 R)
• M6: 2,333,128 km (0.099 R)
• M7: 2,679,298 km (0.032 R)
• M8: 3,173,120 km (0.047 R)
• M9: 3,951,029 km (0.118 R)
• M10: 4,551,216 km (0.05 R)
• M11: 4,984,451 km (0.034 R)
• M12: 5,421,427 km (0.114 R)
• M13: 6,137,701 km (0.114 R)
• M14: 7,638,617 km (0.06 R)
• M15: 8,003,037 km (0.117 R)
• M16: 8,766,884 km (0.078 R)
• M17: 10,889,229 km (0.07 R)
• M18: 11,469,370 km (0.118 R)
• M19: 12,233,515 km (0.101 R)
• M20: 14,499,026 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676

Radius: 9

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.14 AU - 3.08 AU

Year: 2766 Days

Day: 11.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,881,562 km

• M1: 112,348 km (0.119 R)
• M2: 470,186 km (0.062 R)
• M3: 842,535 km (0.102 R)
• M4: 1,669,512 km (0.11 R)
• M5: 2,615,270 km (0.096 R)
• M6: 2,896,065 km (0.034 R)
• M7: 3,231,912 km (0.054 R)
• M8: 3,726,483 km (0.1 R)
• M9: 4,821,390 km (0.044 R)
• M10: 5,773,730 km (0.085 R)
• M11: 6,253,341 km (0.111 R)
• M12: 7,141,802 km (0.103 R)
• M13: 7,507,420 km (0.095 R)
• M14: 8,210,230 km (0.083 R)
• M15: 9,345,977 km (0.08 R)
• M16: 9,858,051 km (0.091 R)
• M17: 10,661,391 km (0.103 R)
• M18: 11,715,608 km (0.104 R)
• M19: 13,379,286 km (0.093 R)
• M20: 17,114,744 km (0.09 R)
• M21: 17,937,383 km (0.095 R)
• M22: 18,330,077 km (0.068 R)
• M23: 19,602,108 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.5

Radius: 11.1

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.58 AU - 3.86 AU

Year: 3790 Days

Day: 6.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,881,562 km

• M1: 138,079 km (0.11 R)
• M2: 635,641 km (0.081 R)
• M3: 1,159,234 km (0.071 R)
• M4: 1,922,632 km (0.098 R)
• M5: 2,522,669 km (0.057 R)
• M6: 3,117,620 km (0.108 R)
• M7: 4,405,807 km (0.112 R)
• M8: 5,169,953 km (0.112 R)
• M9: 6,104,640 km (0.079 R)
• M10: 6,479,233 km (0.104 R)
• M11: 6,992,354 km (0.109 R)
• M12: 8,307,170 km (0.101 R)
• M13: 9,060,245 km (0.064 R)
• M14: 9,702,619 km (0.1 R)
• M15: 10,868,585 km (0.066 R)
• M16: 11,463,685 km (0.068 R)
• M17: 13,476,973 km (0.094 R)
• M18: 14,164,226 km (0.042 R)
• M19: 16,257,100 km (0.099 R)
• M20: 17,839,546 km (0.117 R)
• M21: 18,250,791 km (0.064 R)
• M22: 19,771,303 km (0.059 R)
• M23: 22,309,381 km (0.032 R)
• M24: 22,855,563 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.2

Radius: 11.7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.25 AU - 6.29 AU

Year: 7936 Days

Day: 6 Hours

Environment

Temp: -225 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,881,562 km

• M1: 145,858 km (0.11 R)
• M2: 760,406 km (0.078 R)
• M3: 1,323,492 km (0.087 R)
• M4: 2,305,752 km (0.057 R)
• M5: 2,863,602 km (0.119 R)
• M6: 4,069,810 km (0.072 R)
• M7: 5,005,844 km (0.079 R)
• M8: 5,913,155 km (0.056 R)
• M9: 6,600,408 km (0.113 R)
• M10: 10,226,810 km (0.106 R)
• M11: 11,948,681 km (0.102 R)
• M12: 13,974,386 km (0.099 R)
• M13: 14,636,656 km (0.104 R)
• M14: 16,285,224 km (0.103 R)
• M15: 16,749,426 km (0.081 R)
• M16: 17,635,046 km (0.105 R)
• M17: 20,403,354 km (0.115 R)
• M18: 21,334,601 km (0.077 R)
• M19: 24,041,724 km (0.11 R)
• M20: 27,155,005 km (0.109 R)
• M21: 28,760,041 km (0.049 R)
• M22: 30,029,529 km (0.085 R)
• M23: 30,627,770 km (0.028 R)
• M24: 32,262,277 km (0.082 R)
• M25: 32,995,306 km (0.089 R)
• M26: 34,603,633 km (0.119 R)
• M27: 38,675,687 km (0.093 R)
• M28: 39,981,078 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.8

Radius: 10.9

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.3 AU - 6.52 AU

Year: 8255 Days

Day: 7.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,881,562 km

• M1: 135,536 km (0.056 R)
• M2: 610,060 km (0.057 R)
• M3: 998,715 km (0.065 R)
• M4: 1,610,720 km (0.084 R)
• M5: 2,262,069 km (0.077 R)
• M6: 2,768,159 km (0.079 R)
• M7: 3,536,045 km (0.112 R)
• M8: 4,872,552 km (0.116 R)
• M9: 5,301,150 km (0.067 R)
• M10: 5,922,879 km (0.047 R)
• M11: 6,340,257 km (0.11 R)
• M12: 7,391,182 km (0.101 R)
• M13: 10,877,860 km (0.037 R)
• M14: 13,180,470 km (0.105 R)
• M15: 14,015,525 km (0.062 R)
• M16: 15,269,006 km (0.045 R)
• M17: 16,664,006 km (0.102 R)
• M18: 17,217,219 km (0.112 R)
• M19: 18,727,858 km (0.09 R)
• M20: 20,560,283 km (0.092 R)
• M21: 22,259,266 km (0.106 R)
• M22: 23,356,865 km (0.092 R)
• M23: 25,205,596 km (0.113 R)
• M24: 29,092,597 km (0.105 R)
• M25: 31,230,351 km (0.094 R)
• M26: 31,965,774 km (0.068 R)
• M27: 34,910,458 km (0.027 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.3

Radius: 3.1

Gravity: 34.47 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.45 AU - 6.45 AU

Year: 9521 Days

Day: 16.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,881,562 km

• M1: 39,045 km (0.086 R)
• M2: 156,479 km (0.096 R)
• M3: 272,567 km (0.119 R)
• M4: 385,215 km (0.117 R)
• M5: 2,601,058 km (0.105 R)
• M6: 3,986,484 km (0.104 R)
• M7: 4,558,247 km (0.119 R)
• M8: 5,123,727 km (0.077 R)
• M9: 5,894,605 km (0.099 R)
• M10: 6,599,211 km (0.081 R)
• M11: 6,989,961 km (0.066 R)
• M12: 7,662,253 km (0.036 R)
• M13: 8,624,168 km (0.075 R)
• M14: 9,396,392 km (0.103 R)
• M15: 10,307,293 km (0.1 R)
• M16: 11,679,106 km (0.113 R)
• M17: 14,719,084 km (0.032 R)
• M18: 17,500,408 km (0.075 R)
• M19: 19,369,932 km (0.093 R)
• M20: 23,418,200 km (0.116 R)
• M21: 29,203,000 km (0.051 R)
• M22: 32,523,774 km (0.085 R)
• M23: 35,226,708 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.2

Radius: 5.1

Gravity: 33.38 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.4 AU - 7.32 AU

Year: 11787 Days

Day: 18.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,881,562 km

• M1: 65,673 km (0.086 R)
• M2: 295,905 km (0.069 R)
• M3: 622,178 km (0.072 R)
• M4: 1,239,867 km (0.044 R)
• M5: 1,593,517 km (0.065 R)
• M6: 1,957,937 km (0.079 R)
• M7: 2,760,978 km (0.111 R)
• M8: 3,440,601 km (0.052 R)
• M9: 5,367,272 km (0.118 R)
• M10: 7,334,185 km (0.087 R)
• M11: 7,643,254 km (0.066 R)
• M12: 8,287,273 km (0.12 R)
• M13: 9,371,559 km (0.108 R)
• M14: 11,579,474 km (0.111 R)
• M15: 15,007,958 km (0.102 R)
• M16: 15,722,886 km (0.098 R)
• M17: 17,609,165 km (0.089 R)
• M18: 21,824,235 km (0.096 R)
• M19: 22,371,314 km (0.094 R)
• M20: 23,303,309 km (0.114 R)
• M21: 26,254,127 km (0.106 R)
• M22: 28,139,210 km (0.073 R)
• M23: 28,354,032 km (0.103 R)
• M24: 30,563,294 km (0.053 R)
• M25: 31,593,874 km (0.118 R)
• M26: 42,072,456 km (0.097 R)
• M27: 43,061,448 km (0.079 R)
• M28: 44,939,051 km (0.088 R)
• M29: 47,475,782 km (0.114 R)
• M30: 52,995,794 km (0.115 R)
• M31: 53,817,834 km (0.077 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 17,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit