🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.9

Radius: 9.6

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.81 AU - 0.87 AU

Year: 513 Days

Day: 12.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,888,568 km

• M1: 119,379 km (0.105 R)
• M2: 498,161 km (0.077 R)
• M3: 988,992 km (0.074 R)
• M4: 1,392,158 km (0.066 R)
• M5: 1,698,385 km (0.07 R)
• M6: 2,236,189 km (0.039 R)
• M7: 2,697,549 km (0.118 R)
• M8: 3,170,278 km (0.114 R)
• M9: 3,607,553 km (0.111 R)
• M10: 3,964,493 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.4

Radius: 9.2

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.87 AU - 1.11 AU

Year: 657 Days

Day: 14.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,888,568 km

• M1: 115,340 km (0.077 R)
• M2: 418,425 km (0.085 R)
• M3: 709,244 km (0.077 R)
• M4: 1,089,820 km (0.054 R)
• M5: 2,074,773 km (0.062 R)
• M6: 2,450,712 km (0.099 R)
• M7: 3,445,837 km (0.051 R)
• M8: 3,961,501 km (0.028 R)
• M9: 4,400,870 km (0.096 R)
• M10: 4,788,927 km (0.07 R)
• M11: 5,486,352 km (0.099 R)
• M12: 5,802,752 km (0.109 R)
• M13: 6,931,917 km (0.082 R)
• M14: 7,594,037 km (0.076 R)
• M15: 7,917,318 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765

Radius: 13.4

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.2 AU - 1.54 AU

Year: 1069 Days

Day: 7.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,888,568 km

• M1: 166,951 km (0.09 R)
• M2: 589,116 km (0.086 R)
• M3: 1,145,770 km (0.105 R)
• M4: 1,819,110 km (0.103 R)
• M5: 2,468,215 km (0.112 R)
• M6: 2,887,239 km (0.068 R)
• M7: 3,311,050 km (0.099 R)
• M8: 3,808,163 km (0.081 R)
• M9: 4,621,078 km (0.116 R)
• M10: 5,344,085 km (0.054 R)
• M11: 6,296,724 km (0.066 R)
• M12: 6,755,241 km (0.088 R)
• M13: 7,895,177 km (0.099 R)
• M14: 8,511,371 km (0.066 R)
• M15: 10,054,174 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.3

Radius: 12.1

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.94 AU - 2.06 AU

Year: 1886 Days

Day: 14.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,888,568 km

• M1: 150,495 km (0.038 R)
• M2: 537,056 km (0.119 R)
• M3: 1,597,406 km (0.102 R)
• M4: 2,398,503 km (0.082 R)
• M5: 3,366,850 km (0.045 R)
• M6: 4,861,183 km (0.066 R)
• M7: 5,382,083 km (0.115 R)
• M8: 5,878,448 km (0.081 R)
• M9: 8,515,111 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.8

Radius: 8.7

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.27 AU - 2.65 AU

Year: 2573 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 63.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,888,568 km

• M1: 108,309 km (0.094 R)
• M2: 491,279 km (0.069 R)
• M3: 975,677 km (0.11 R)
• M4: 1,549,086 km (0.115 R)
• M5: 2,065,797 km (0.099 R)
• M6: 2,425,580 km (0.117 R)
• M7: 2,903,246 km (0.12 R)
• M8: 3,255,549 km (0.102 R)
• M9: 3,547,265 km (0.061 R)
• M10: 3,950,730 km (0.071 R)
• M11: 5,072,265 km (0.108 R)
• M12: 6,209,957 km (0.061 R)
• M13: 6,825,104 km (0.062 R)
• M14: 8,270,518 km (0.12 R)
• M15: 8,948,645 km (0.103 R)
• M16: 9,352,410 km (0.067 R)
• M17: 10,088,282 km (0.082 R)
• M18: 11,955,114 km (0.081 R)
• M19: 12,280,489 km (0.062 R)
• M20: 17,271,224 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.3

Radius: 12.2

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.38 AU - 3.62 AU

Year: 3465 Days

Day: 13.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,888,568 km

• M1: 151,692 km (0.114 R)
• M2: 581,188 km (0.042 R)
• M3: 1,028,635 km (0.111 R)
• M4: 2,395,212 km (0.104 R)
• M5: 2,874,373 km (0.054 R)
• M6: 3,380,463 km (0.105 R)
• M7: 4,757,661 km (0.091 R)
• M8: 5,625,329 km (0.075 R)
• M9: 8,003,486 km (0.062 R)
• M10: 9,452,491 km (0.118 R)
• M11: 10,063,000 km (0.03 R)
• M12: 10,618,606 km (0.087 R)
• M13: 12,009,717 km (0.111 R)
• M14: 13,951,497 km (0.115 R)
• M15: 15,461,239 km (0.106 R)
• M16: 16,526,376 km (0.062 R)
• M17: 22,131,509 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.1

Radius: 7.2

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.24 AU - 8.84 AU

Year: 13807 Days

Day: 23.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 37,888,568 km

• M1: 90,507 km (0.115 R)
• M2: 647,609 km (0.078 R)
• M3: 948,301 km (0.104 R)
• M4: 1,434,943 km (0.117 R)
• M5: 1,743,264 km (0.033 R)
• M6: 2,494,096 km (0.099 R)
• M7: 2,965,329 km (0.117 R)
• M8: 3,808,313 km (0.111 R)
• M9: 4,169,741 km (0.109 R)
• M10: 4,614,945 km (0.09 R)
• M11: 6,068,438 km (0.109 R)
• M12: 6,446,023 km (0.081 R)
• M13: 7,716,557 km (0.106 R)
• M14: 8,250,622 km (0.057 R)
• M15: 9,000,556 km (0.119 R)
• M16: 11,296,883 km (0.072 R)
• M17: 12,762,045 km (0.034 R)
• M18: 13,131,701 km (0.091 R)
• M19: 14,349,577 km (0.079 R)
• M20: 14,952,158 km (0.086 R)
• M21: 16,207,433 km (0.117 R)
• M22: 20,814,150 km (0.115 R)
• M23: 23,368,983 km (0.107 R)
• M24: 23,736,993 km (0.084 R)
• M25: 25,055,699 km (0.118 R)
• M26: 25,732,928 km (0.113 R)
• M27: 28,669,684 km (0.084 R)
• M28: 32,845,858 km (0.113 R)
• M29: 33,540,441 km (0.11 R)
• M30: 35,440,184 km (0.108 R)
• M31: 36,170,671 km (0.074 R)
• M32: 36,663,147 km (0.085 R)
• M33: 37,410,388 km (0.094 R)
• M34: 42,516,912 km (0.087 R)
• M35: 46,601,831 km (0.038 R)
• M36: 47,625,679 km (0.11 R)
• M37: 50,021,938 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.6

Radius: 7.3

Gravity: 15.62 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.01 AU - 10.05 AU

Year: 18095 Days

Day: 17.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 37,888,568 km

• M1: 91,554 km (0.079 R)
• M2: 322,084 km (0.06 R)
• M3: 611,107 km (0.1 R)
• M4: 855,401 km (0.082 R)
• M5: 1,304,942 km (0.091 R)
• M6: 2,484,821 km (0.119 R)
• M7: 4,028,072 km (0.117 R)
• M8: 4,696,027 km (0.094 R)
• M9: 5,671,854 km (0.107 R)
• M10: 5,997,678 km (0.063 R)
• M11: 8,273,361 km (0.05 R)
• M12: 9,292,870 km (0.088 R)
• M13: 9,861,940 km (0.09 R)
• M14: 11,195,306 km (0.118 R)
• M15: 12,782,689 km (0.088 R)
• M16: 15,358,166 km (0.116 R)
• M17: 15,831,943 km (0.114 R)
• M18: 18,260,365 km (0.111 R)
• M19: 19,793,743 km (0.115 R)
• M20: 21,022,839 km (0.095 R)
• M21: 27,245,512 km (0.113 R)
• M22: 30,959,878 km (0.112 R)
• M23: 31,589,086 km (0.047 R)
• M24: 31,843,104 km (0.107 R)
• M25: 32,613,383 km (0.06 R)
• M26: 34,057,601 km (0.052 R)
• M27: 34,458,822 km (0.058 R)
• M28: 43,944,375 km (0.071 R)
• M29: 44,898,809 km (0.104 R)
• M30: 48,855,224 km (0.119 R)
• M31: 56,513,588 km (0.048 R)
• M32: 64,934,601 km (0.066 R)
• M33: 67,215,670 km (0.114 R)
• M34: 67,636,189 km (0.057 R)
• M35: 75,280,042 km (0.19 R)
• M36: 75,733,473 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.8

Radius: 3.5

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.64 AU - 11.5 AU

Year: 19742 Days

Day: 16.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,888,568 km

• M1: 43,533 km (0.106 R)
• M2: 295,007 km (0.09 R)
• M3: 498,011 km (0.05 R)
• M4: 966,552 km (0.066 R)
• M5: 1,853,667 km (0.07 R)
• M6: 3,094,582 km (0.111 R)
• M7: 3,333,639 km (0.091 R)
• M8: 4,255,162 km (0.076 R)
• M9: 4,605,819 km (0.12 R)
• M10: 6,271,592 km (0.106 R)
• M11: 6,869,385 km (0.112 R)
• M12: 7,504,128 km (0.12 R)
• M13: 8,889,554 km (0.114 R)
• M14: 10,436,695 km (0.09 R)
• M15: 11,528,162 km (0.079 R)
• M16: 11,682,696 km (0.08 R)
• M17: 20,986,487 km (0.051 R)
• M18: 21,294,060 km (0.048 R)
• M19: 24,878,724 km (0.074 R)
• M20: 34,158,131 km (0.092 R)
• M21: 37,662,012 km (0.104 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 17,629 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit