🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.8

Radius: 14.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.95 AU - 1.37 AU

Year: 862 Days

Day: 9.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,494,841 km

• M1: 181,612 km (0.061 R)
• M2: 717,172 km (0.089 R)
• M3: 1,345,184 km (0.083 R)
• M4: 1,945,670 km (0.088 R)
• M5: 2,529,550 km (0.085 R)
• M6: 3,192,568 km (0.104 R)
• M7: 4,071,904 km (0.115 R)
• M8: 4,690,043 km (0.041 R)
• M9: 5,159,481 km (0.119 R)
• M10: 6,057,667 km (0.117 R)
• M11: 6,740,431 km (0.086 R)
• M12: 7,209,271 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.9

Radius: 14.8

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.05 AU - 1.33 AU

Year: 896 Days

Day: 6.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,494,841 km

• M1: 184,604 km (0.112 R)
• M2: 809,025 km (0.059 R)
• M3: 1,309,580 km (0.106 R)
• M4: 2,123,392 km (0.069 R)
• M5: 2,684,983 km (0.11 R)
• M6: 3,580,326 km (0.028 R)
• M7: 4,128,303 km (0.075 R)
• M8: 4,996,569 km (0.062 R)
• M9: 5,739,472 km (0.078 R)
• M10: 6,514,538 km (0.119 R)
• M11: 7,012,400 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.2

Radius: 10.1

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.37 AU - 1.39 AU

Year: 1119 Days

Day: 13.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,494,841 km

• M1: 127,009 km (0.066 R)
• M2: 544,387 km (0.09 R)
• M3: 1,029,084 km (0.062 R)
• M4: 1,439,281 km (0.039 R)
• M5: 2,167,823 km (0.103 R)
• M6: 3,356,079 km (0.107 R)
• M7: 4,522,643 km (0.097 R)
• M8: 5,208,848 km (0.073 R)
• M9: 6,050,935 km (0.119 R)
• M10: 6,598,164 km (0.103 R)
• M11: 7,079,270 km (0.113 R)
• M12: 7,661,206 km (0.055 R)
• M13: 8,440,162 km (0.07 R)
• M14: 9,600,144 km (0.093 R)
• M15: 10,187,017 km (0.047 R)
• M16: 11,128,735 km (0.073 R)

Asteroid Belt

Center: 1.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.5

Radius: 13

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.98 AU - 2.34 AU

Year: 2191 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,494,841 km

• M1: 161,715 km (0.081 R)
• M2: 814,112 km (0.119 R)
• M3: 2,677,503 km (0.102 R)
• M4: 5,099,941 km (0.072 R)
• M5: 6,615,816 km (0.116 R)
• M6: 7,633,082 km (0.092 R)
• M7: 9,637,992 km (0.038 R)
• M8: 10,134,508 km (0.1 R)
• M9: 11,246,469 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.6

Radius: 12.8

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.55 AU - 2.71 AU

Year: 2944 Days

Day: 6.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,494,841 km

• M1: 159,172 km (0.112 R)
• M2: 707,000 km (0.064 R)
• M3: 1,212,491 km (0.03 R)
• M4: 1,616,255 km (0.036 R)
• M5: 2,415,407 km (0.097 R)
• M6: 3,338,875 km (0.066 R)
• M7: 3,942,801 km (0.099 R)
• M8: 5,015,568 km (0.094 R)
• M9: 5,720,473 km (0.099 R)
• M10: 7,355,129 km (0.08 R)
• M11: 8,151,887 km (0.062 R)
• M12: 8,914,537 km (0.089 R)
• M13: 9,438,429 km (0.101 R)
• M14: 10,179,986 km (0.065 R)
• M15: 10,718,538 km (0.092 R)
• M16: 11,346,998 km (0.068 R)
• M17: 11,889,440 km (0.087 R)
• M18: 12,601,377 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.6

Radius: 15

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.61 AU - 3.17 AU

Year: 3391 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,494,841 km

• M1: 187,147 km (0.11 R)
• M2: 709,094 km (0.08 R)
• M3: 1,797,867 km (0.045 R)
• M4: 2,351,828 km (0.112 R)
• M5: 3,276,193 km (0.113 R)
• M6: 4,303,183 km (0.087 R)
• M7: 5,535,570 km (0.062 R)
• M8: 6,084,893 km (0.114 R)
• M9: 7,447,880 km (0.12 R)
• M10: 8,285,029 km (0.1 R)
• M11: 9,328,026 km (0.112 R)
• M12: 9,881,538 km (0.115 R)
• M13: 12,406,451 km (0.043 R)
• M14: 13,490,736 km (0.112 R)
• M15: 15,847,950 km (0.034 R)
• M16: 18,239,571 km (0.102 R)
• M17: 18,990,103 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.7

Radius: 14.1

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.44 AU - 3.94 AU

Year: 3933 Days

Day: 8.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,494,841 km

• M1: 176,525 km (0.089 R)
• M2: 632,500 km (0.08 R)
• M3: 1,277,715 km (0.067 R)
• M4: 2,121,447 km (0.1 R)
• M5: 2,581,461 km (0.084 R)
• M6: 3,090,542 km (0.084 R)
• M7: 3,749,072 km (0.095 R)
• M8: 4,269,224 km (0.057 R)
• M9: 5,375,949 km (0.107 R)
• M10: 6,127,080 km (0.092 R)
• M11: 7,805,269 km (0.097 R)
• M12: 8,622,073 km (0.053 R)
• M13: 10,979,287 km (0.03 R)
• M14: 12,613,344 km (0.045 R)
• M15: 14,094,513 km (0.044 R)
• M16: 17,223,951 km (0.109 R)
• M17: 17,997,821 km (0.109 R)
• M18: 18,485,510 km (0.064 R)
• M19: 22,081,394 km (0.102 R)
• M20: 25,199,612 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323

Radius: 11.6

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.83 AU - 6.33 AU

Year: 7903 Days

Day: 11.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,494,841 km

• M1: 151,842 km (0.047 R)
• M2: 735,124 km (0.084 R)
• M3: 1,858,903 km (0.084 R)
• M4: 2,413,313 km (0.074 R)
• M5: 3,254,651 km (0.07 R)
• M6: 4,531,320 km (0.119 R)
• M7: 5,283,498 km (0.107 R)
• M8: 6,565,551 km (0.11 R)
• M9: 6,967,371 km (0.077 R)
• M10: 7,421,401 km (0.113 R)
• M11: 8,044,775 km (0.09 R)
• M12: 10,438,042 km (0.077 R)
• M13: 12,393,286 km (0.092 R)
• M14: 17,078,691 km (0.101 R)
• M15: 17,584,781 km (0.053 R)
• M16: 21,339,538 km (0.115 R)
• M17: 25,598,140 km (0.09 R)
• M18: 26,681,678 km (0.108 R)
• M19: 27,106,536 km (0.091 R)
• M20: 28,851,146 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.4

Radius: 3.2

Gravity: 59.12 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.54 AU - 6.86 AU

Year: 9393 Days

Day: 15.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,494,841 km

• M1: 39,793 km (0.071 R)
• M2: 220,358 km (0.119 R)
• M3: 576,101 km (0.09 R)
• M4: 770,728 km (0.078 R)
• M5: 956,529 km (0.087 R)
• M6: 1,378,544 km (0.068 R)
• M7: 1,567,038 km (0.036 R)
• M8: 2,254,590 km (0.114 R)
• M9: 2,496,938 km (0.09 R)
• M10: 2,735,846 km (0.11 R)
• M11: 2,946,330 km (0.118 R)
• M12: 4,302,435 km (0.113 R)
• M13: 4,674,933 km (0.061 R)
• M14: 5,451,197 km (0.05 R)
• M15: 6,025,653 km (0.119 R)
• M16: 6,237,782 km (0.05 R)
• M17: 6,528,301 km (0.108 R)
• M18: 7,373,529 km (0.114 R)
• M19: 9,995,980 km (0.118 R)
• M20: 10,393,462 km (0.119 R)
• M21: 10,749,953 km (0.109 R)
• M22: 14,145,975 km (0.092 R)
• M23: 14,837,566 km (0.118 R)
• M24: 17,117,288 km (0.088 R)
• M25: 17,328,969 km (0.032 R)
• M26: 18,120,192 km (0.1 R)
• M27: 18,860,103 km (0.046 R)
• M28: 20,877,729 km (0.077 R)
• M29: 26,166,164 km (0.09 R)
• M30: 31,853,875 km (0.067 R)
• M31: 32,388,837 km (0.116 R)
• M32: 32,712,566 km (0.114 R)
• M33: 36,535,241 km (0.086 R)
• M34: 37,832,853 km (0.053 R)
• M35: 37,952,381 km (0.074 R)
• M36: 40,146,085 km (0.118 R)
• M37: 41,909,694 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.9

Radius: 6.9

Gravity: 18.17 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.86 AU - 9.46 AU

Year: 17591 Days

Day: 21.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,494,841 km

• M1: 86,168 km (0.117 R)
• M2: 424,559 km (0.088 R)
• M3: 671,096 km (0.089 R)
• M4: 991,385 km (0.086 R)
• M5: 1,380,788 km (0.101 R)
• M6: 2,081,355 km (0.118 R)
• M7: 2,533,739 km (0.056 R)
• M8: 6,553,284 km (0.033 R)
• M9: 7,236,049 km (0.04 R)
• M10: 7,473,760 km (0.114 R)
• M11: 7,915,074 km (0.107 R)
• M12: 10,088,880 km (0.084 R)
• M13: 13,904,524 km (0.108 R)
• M14: 15,494,599 km (0.111 R)
• M15: 17,118,185 km (0.114 R)
• M16: 17,541,098 km (0.118 R)
• M17: 17,971,043 km (0.11 R)
• M18: 18,941,634 km (0.066 R)
• M19: 20,320,776 km (0.057 R)
• M20: 20,604,414 km (0.027 R)
• M21: 26,062,043 km (0.112 R)
• M22: 27,998,139 km (0.072 R)
• M23: 28,941,653 km (0.081 R)
• M24: 30,150,553 km (0.114 R)
• M25: 32,026,361 km (0.094 R)
• M26: 34,111,755 km (0.097 R)
• M27: 34,916,442 km (0.025 R)
• M28: 42,275,311 km (0.098 R)
• M29: 43,830,082 km (0.075 R)
• M30: 47,882,987 km (0.102 R)
• M31: 48,891,576 km (0.044 R)
• M32: 49,401,256 km (0.087 R)
• M33: 55,242,455 km (0.102 R)
• M34: 63,320,889 km (0.085 R)
• M35: 66,594,689 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 13,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit