🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423

Radius: 11.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.89 AU - 0.93 AU

Year: 599 Days

Day: 7.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,092,422 km

• M1: 148,102 km (0.071 R)
• M2: 883,675 km (0.056 R)
• M3: 1,644,978 km (0.085 R)
• M4: 2,196,546 km (0.073 R)
• M5: 2,600,759 km (0.102 R)
• M6: 3,307,609 km (0.105 R)
• M7: 4,449,938 km (0.103 R)
• M8: 4,962,012 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.7

Radius: 12.7

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.91 AU - 1.19 AU

Year: 743 Days

Day: 14.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,092,422 km

• M1: 157,975 km (0.116 R)
• M2: 747,092 km (0.113 R)
• M3: 1,314,816 km (0.112 R)
• M4: 2,164,083 km (0.088 R)
• M5: 2,665,086 km (0.112 R)
• M6: 3,243,431 km (0.026 R)
• M7: 3,678,761 km (0.076 R)
• M8: 4,310,962 km (0.098 R)
• M9: 4,839,491 km (0.098 R)
• M10: 5,462,267 km (0.094 R)
• M11: 6,230,751 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.8

Radius: 9.7

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.14 AU - 1.9 AU

Year: 1294 Days

Day: 12.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,092,422 km

• M1: 120,576 km (0.114 R)
• M2: 449,542 km (0.119 R)
• M3: 980,464 km (0.115 R)
• M4: 1,321,548 km (0.069 R)
• M5: 1,919,041 km (0.074 R)
• M6: 2,475,246 km (0.112 R)
• M7: 3,266,320 km (0.101 R)
• M8: 3,633,134 km (0.118 R)
• M9: 3,942,801 km (0.09 R)
• M10: 4,541,642 km (0.053 R)
• M11: 5,467,952 km (0.08 R)
• M12: 6,121,994 km (0.12 R)
• M13: 7,174,714 km (0.107 R)
• M14: 7,770,861 km (0.041 R)
• M15: 9,062,041 km (0.088 R)
• M16: 9,391,006 km (0.069 R)
• M17: 10,104,588 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.6

Radius: 9.9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.93 AU - 2.55 AU

Year: 2314 Days

Day: 10 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,092,422 km

• M1: 123,119 km (0.112 R)
• M2: 442,062 km (0.086 R)
• M3: 1,008,439 km (0.08 R)
• M4: 1,359,695 km (0.081 R)
• M5: 2,103,047 km (0.097 R)
• M6: 2,412,714 km (0.114 R)
• M7: 3,198,253 km (0.082 R)
• M8: 5,026,189 km (0.047 R)
• M9: 5,500,415 km (0.079 R)
• M10: 6,094,916 km (0.109 R)
• M11: 8,082,623 km (0.097 R)
• M12: 8,618,782 km (0.09 R)
• M13: 10,935,904 km (0.083 R)
• M14: 12,237,704 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.5

Radius: 12

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.48 AU - 2.82 AU

Year: 2978 Days

Day: 11.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,092,422 km

• M1: 149,747 km (0.12 R)
• M2: 533,017 km (0.071 R)
• M3: 1,694,645 km (0.034 R)
• M4: 2,088,386 km (0.098 R)
• M5: 3,832,249 km (0.105 R)
• M6: 6,146,378 km (0.05 R)
• M7: 7,001,928 km (0.096 R)
• M8: 7,774,003 km (0.036 R)
• M9: 9,859,098 km (0.12 R)
• M10: 10,829,390 km (0.059 R)
• M11: 11,358,667 km (0.053 R)
• M12: 12,249,822 km (0.05 R)
• M13: 14,219,726 km (0.097 R)
• M14: 16,129,044 km (0.076 R)
• M15: 16,551,957 km (0.11 R)
• M16: 17,585,828 km (0.106 R)
• M17: 19,423,937 km (0.116 R)
• M18: 20,450,927 km (0.045 R)
• M19: 21,009,076 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.9

Radius: 14.8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.88 AU - 2.96 AU

Year: 3444 Days

Day: 10.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,092,422 km

• M1: 184,005 km (0.094 R)
• M2: 869,164 km (0.12 R)
• M3: 2,022,264 km (0.108 R)
• M4: 2,809,598 km (0.036 R)
• M5: 4,758,708 km (0.071 R)
• M6: 5,324,787 km (0.118 R)
• M7: 7,720,297 km (0.105 R)
• M8: 8,364,915 km (0.114 R)
• M9: 8,826,424 km (0.11 R)
• M10: 9,305,137 km (0.081 R)
• M11: 10,929,920 km (0.097 R)
• M12: 11,569,451 km (0.047 R)
• M13: 12,598,385 km (0.114 R)
• M14: 13,206,500 km (0.081 R)
• M15: 14,431,258 km (0.118 R)
• M16: 15,676,959 km (0.116 R)
• M17: 16,271,461 km (0.115 R)
• M18: 17,390,752 km (0.084 R)
• M19: 18,028,039 km (0.074 R)
• M20: 18,801,161 km (0.104 R)
• M21: 19,658,357 km (0.069 R)
• M22: 21,057,995 km (0.113 R)
• M23: 23,490,157 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.4

Radius: 8.4

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.32 AU - 5.58 AU

Year: 8782 Days

Day: 6.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 44,092,422 km

• M1: 105,167 km (0.095 R)
• M2: 380,128 km (0.067 R)
• M3: 690,394 km (0.075 R)
• M4: 1,174,343 km (0.115 R)
• M5: 1,467,854 km (0.088 R)
• M6: 1,916,050 km (0.07 R)
• M7: 2,345,246 km (0.067 R)
• M8: 3,086,952 km (0.1 R)
• M9: 8,113,291 km (0.086 R)
• M10: 9,373,503 km (0.029 R)
• M11: 9,696,186 km (0.048 R)
• M12: 11,267,412 km (0.106 R)
• M13: 11,579,922 km (0.115 R)
• M14: 11,898,117 km (0.098 R)
• M15: 12,276,749 km (0.056 R)
• M16: 12,607,809 km (0.059 R)
• M17: 13,813,269 km (0.117 R)
• M18: 14,413,605 km (0.113 R)
• M19: 16,585,168 km (0.055 R)
• M20: 17,609,315 km (0.083 R)
• M21: 18,315,118 km (0.06 R)
• M22: 19,260,576 km (0.106 R)
• M23: 22,951,305 km (0.099 R)
• M24: 26,351,216 km (0.098 R)
• M25: 29,087,212 km (0.114 R)
• M26: 31,182,629 km (0.116 R)
• M27: 32,951,325 km (0.076 R)
• M28: 34,130,605 km (0.111 R)
• M29: 36,687,083 km (0.118 R)
• M30: 37,837,490 km (0.099 R)
• M31: 40,818,228 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.6

Radius: 3.5

Gravity: 60.54 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.4 AU - 6.44 AU

Year: 9942 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,092,422 km

• M1: 49,218 km (0.12 R)
• M2: 192,832 km (0.091 R)
• M3: 369,058 km (0.088 R)
• M4: 537,206 km (0.053 R)
• M5: 763,847 km (0.101 R)
• M6: 1,153,848 km (0.09 R)
• M7: 1,433,447 km (0.052 R)
• M8: 2,216,592 km (0.064 R)
• M9: 2,668,377 km (0.073 R)
• M10: 3,321,821 km (0.066 R)
• M11: 3,621,166 km (0.099 R)
• M12: 4,657,879 km (0.054 R)
• M13: 6,618,359 km (0.08 R)
• M14: 9,067,725 km (0.095 R)
• M15: 10,104,139 km (0.09 R)
• M16: 13,188,249 km (0.047 R)
• M17: 17,281,396 km (0.106 R)
• M18: 23,289,845 km (0.064 R)
• M19: 25,502,398 km (0.095 R)
• M20: 28,357,772 km (0.1 R)
• M21: 33,198,909 km (0.084 R)
• M22: 34,810,377 km (0.054 R)
• M23: 35,398,297 km (0.074 R)
• M24: 35,635,260 km (0.108 R)
• M25: 45,167,636 km (0.108 R)
• M26: 46,715,376 km (0.055 R)
• M27: 48,589,688 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.5

Radius: 5.3

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.28 AU - 9.02 AU

Year: 14605 Days

Day: 18.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 44,092,422 km

• M1: 83,326 km (0.09 R)
• M2: 289,771 km (0.096 R)
• M3: 1,216,081 km (0.114 R)
• M4: 1,449,753 km (0.105 R)
• M5: 1,621,940 km (0.095 R)
• M6: 1,824,047 km (0.108 R)
• M7: 2,223,024 km (0.08 R)
• M8: 2,574,280 km (0.04 R)
• M9: 2,741,830 km (0.049 R)
• M10: 3,719,003 km (0.064 R)
• M11: 4,242,745 km (0.119 R)
• M12: 4,972,932 km (0.063 R)
• M13: 5,401,830 km (0.081 R)
• M14: 6,718,291 km (0.082 R)
• M15: 6,997,141 km (0.076 R)
• M16: 8,012,013 km (0.119 R)
• M17: 9,414,044 km (0.109 R)
• M18: 12,395,231 km (0.067 R)
• M19: 14,588,485 km (0.11 R)
• M20: 15,396,314 km (0.108 R)
• M21: 17,846,727 km (0.055 R)
• M22: 18,770,344 km (0.08 R)
• M23: 19,563,811 km (0.099 R)
• M24: 21,904,569 km (0.025 R)
• M25: 22,694,895 km (0.08 R)
• M26: 23,686,429 km (0.093 R)
• M27: 25,466,644 km (0.069 R)
• M28: 25,659,176 km (0.036 R)
• M29: 29,714,475 km (0.063 R)
• M30: 32,681,001 km (0.079 R)
• M31: 43,435,443 km (0.064 R)
• M32: 44,961,042 km (0.088 R)
• M33: 47,243,456 km (0.089 R)
• M34: 49,751,764 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.8

Radius: 6.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.08 AU - 8.78 AU

Year: 16895 Days

Day: 15.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,092,422 km

• M1: 75,846 km (0.058 R)
• M2: 407,355 km (0.047 R)
• M3: 654,491 km (0.11 R)
• M4: 876,644 km (0.064 R)
• M5: 2,011,942 km (0.052 R)
• M6: 3,154,122 km (0.055 R)
• M7: 3,698,957 km (0.119 R)
• M8: 4,416,428 km (0.062 R)
• M9: 6,408,922 km (0.075 R)
• M10: 7,519,537 km (0.105 R)
• M11: 10,977,641 km (0.099 R)
• M12: 16,097,628 km (0.11 R)
• M13: 17,199,118 km (0.114 R)
• M14: 17,768,188 km (0.106 R)
• M15: 18,645,280 km (0.117 R)
• M16: 20,014,699 km (0.067 R)
• M17: 22,781,811 km (0.09 R)
• M18: 24,079,722 km (0.116 R)
• M19: 30,897,495 km (0.111 R)
• M20: 32,701,646 km (0.099 R)
• M21: 38,173,188 km (0.073 R)
• M22: 40,124,542 km (0.117 R)
• M23: 43,960,531 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 16,971 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit