🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.3

Radius: 8.1

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.93 AU - 1.51 AU

Year: 899 Days

Day: 7 Hours

Environment

Temp: -190 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,845,843 km

• M1: 100,829 km (0.084 R)
• M2: 721,810 km (0.101 R)
• M3: 1,055,413 km (0.116 R)
• M4: 1,381,237 km (0.105 R)
• M5: 1,810,583 km (0.107 R)
• M6: 2,134,163 km (0.078 R)
• M7: 2,542,715 km (0.095 R)
• M8: 2,809,747 km (0.063 R)
• M9: 3,245,675 km (0.087 R)
• M10: 4,320,387 km (0.114 R)
• M11: 4,792,667 km (0.109 R)
• M12: 5,475,581 km (0.061 R)
• M13: 6,092,822 km (0.116 R)
• M14: 6,641,846 km (0.101 R)
• M15: 7,514,451 km (0.114 R)
• M16: 9,630,363 km (0.073 R)
• M17: 9,923,874 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.4

Radius: 10.9

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.05 AU - 1.46 AU

Year: 932 Days

Day: 13.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,845,843 km

• M1: 141,968 km (0.105 R)
• M2: 486,193 km (0.108 R)
• M3: 1,140,983 km (0.11 R)
• M4: 1,783,506 km (0.082 R)
• M5: 2,132,817 km (0.077 R)
• M6: 2,595,523 km (0.08 R)
• M7: 3,202,890 km (0.075 R)
• M8: 3,613,686 km (0.086 R)
• M9: 4,099,430 km (0.09 R)
• M10: 5,426,064 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.6

Radius: 14.2

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.42 AU - 1.88 AU

Year: 1413 Days

Day: 5.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,845,843 km

• M1: 176,525 km (0.097 R)
• M2: 657,034 km (0.079 R)
• M3: 1,171,501 km (0.114 R)
• M4: 2,173,956 km (0.106 R)
• M5: 2,819,920 km (0.117 R)
• M6: 3,559,083 km (0.103 R)
• M7: 4,145,507 km (0.08 R)
• M8: 4,716,222 km (0.116 R)
• M9: 5,492,336 km (0.082 R)
• M10: 6,158,944 km (0.102 R)
• M11: 6,649,775 km (0.087 R)
• M12: 7,516,994 km (0.052 R)
• M13: 8,310,910 km (0.059 R)
• M14: 9,736,129 km (0.047 R)
• M15: 10,438,640 km (0.108 R)
• M16: 10,890,276 km (0.114 R)
• M17: 12,324,321 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.9

Radius: 13.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.92 AU - 2.12 AU

Year: 1915 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,845,843 km

• M1: 162,912 km (0.078 R)
• M2: 1,074,262 km (0.096 R)
• M3: 1,584,989 km (0.103 R)
• M4: 2,922,245 km (0.071 R)
• M5: 3,748,324 km (0.069 R)
• M6: 5,057,455 km (0.06 R)
• M7: 5,817,263 km (0.12 R)
• M8: 7,125,197 km (0.088 R)
• M9: 7,734,360 km (0.083 R)
• M10: 9,248,589 km (0.077 R)
• M11: 11,502,131 km (0.087 R)
• M12: 14,928,671 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.7

Radius: 12.5

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.63 AU - 3.43 AU

Year: 3517 Days

Day: 10.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,845,843 km

• M1: 155,432 km (0.043 R)
• M2: 606,021 km (0.075 R)
• M3: 1,115,402 km (0.12 R)
• M4: 1,540,409 km (0.045 R)
• M5: 1,945,072 km (0.116 R)
• M6: 2,792,543 km (0.104 R)
• M7: 4,322,630 km (0.093 R)
• M8: 4,829,767 km (0.1 R)
• M9: 5,352,911 km (0.053 R)
• M10: 7,533,450 km (0.095 R)
• M11: 8,494,616 km (0.09 R)
• M12: 9,889,466 km (0.08 R)
• M13: 11,952,571 km (0.096 R)
• M14: 12,364,114 km (0.087 R)
• M15: 15,418,604 km (0.118 R)
• M16: 17,276,460 km (0.084 R)
• M17: 17,909,857 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.7

Radius: 9.5

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.98 AU - 6.28 AU

Year: 7748 Days

Day: 5.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,845,843 km

• M1: 118,182 km (0.067 R)
• M2: 1,082,191 km (0.101 R)
• M3: 2,440,240 km (0.118 R)
• M4: 3,504,480 km (0.045 R)
• M5: 5,033,819 km (0.104 R)
• M6: 5,959,381 km (0.107 R)
• M7: 7,434,565 km (0.112 R)
• M8: 9,036,160 km (0.104 R)
• M9: 11,011,450 km (0.102 R)
• M10: 15,060,915 km (0.119 R)
• M11: 16,197,261 km (0.111 R)
• M12: 16,708,736 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.6

Radius: 6.1

Gravity: 26.27 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.66 AU - 10.16 AU

Year: 16264 Days

Day: 18.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 45,845,843 km

• M1: 76,594 km (0.115 R)
• M2: 271,819 km (0.075 R)
• M3: 1,527,095 km (0.094 R)
• M4: 1,783,655 km (0.077 R)
• M5: 4,498,558 km (0.06 R)
• M6: 4,992,231 km (0.029 R)
• M7: 6,735,046 km (0.108 R)
• M8: 8,687,448 km (0.064 R)
• M9: 10,319,261 km (0.06 R)
• M10: 13,452,140 km (0.11 R)
• M11: 14,029,438 km (0.076 R)
• M12: 14,324,295 km (0.091 R)
• M13: 15,002,572 km (0.111 R)
• M14: 15,544,864 km (0.116 R)
• M15: 16,019,987 km (0.114 R)
• M16: 16,261,139 km (0.106 R)
• M17: 21,316,949 km (0.118 R)
• M18: 22,600,947 km (0.072 R)
• M19: 23,623,000 km (0.117 R)
• M20: 24,462,693 km (0.043 R)
• M21: 24,997,505 km (0.118 R)
• M22: 26,761,264 km (0.05 R)
• M23: 32,419,205 km (0.1 R)
• M24: 33,586,667 km (0.102 R)
• M25: 37,964,349 km (0.092 R)
• M26: 39,846,290 km (0.115 R)
• M27: 41,486,631 km (0.101 R)
• M28: 42,400,076 km (0.096 R)
• M29: 43,326,835 km (0.092 R)
• M30: 43,638,746 km (0.068 R)
• M31: 44,583,457 km (0.118 R)
• M32: 56,076,014 km (0.088 R)
• M33: 57,567,654 km (0.052 R)
• M34: 59,277,109 km (0.108 R)
• M35: 60,435,296 km (0.104 R)
• M36: 63,196,424 km (0.072 R)
• M37: 73,521,669 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.4

Radius: 6.7

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.52 AU - 9.56 AU

Year: 16642 Days

Day: 24.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,845,843 km

• M1: 86,468 km (0.036 R)
• M2: 304,282 km (0.098 R)
• M3: 604,525 km (0.027 R)
• M4: 896,989 km (0.117 R)
• M5: 1,187,957 km (0.105 R)
• M6: 1,962,425 km (0.082 R)
• M7: 2,594,476 km (0.083 R)
• M8: 3,283,673 km (0.115 R)
• M9: 4,744,197 km (0.069 R)
• M10: 5,368,918 km (0.093 R)
• M11: 6,443,928 km (0.106 R)
• M12: 7,864,360 km (0.109 R)
• M13: 9,058,450 km (0.098 R)
• M14: 13,601,887 km (0.069 R)
• M15: 18,552,380 km (0.093 R)
• M16: 20,975,417 km (0.097 R)
• M17: 22,904,032 km (0.062 R)
• M18: 26,917,444 km (0.119 R)
• M19: 28,187,231 km (0.083 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 17,544 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit