🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.7

Radius: 12.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.4 AU - 0.64 AU

Year: 250 Days

Day: 14 Hours

Environment

Temp: -138 °C

Axial Tilt: 143.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 62,035,523 km

• M1: 165,754 km (0.1 R)
• M2: 599,439 km (0.105 R)
• M3: 1,109,567 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.3

Radius: 9.2

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.49 AU - 0.61 AU

Year: 272 Days

Day: 7.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,035,523 km

• M1: 114,442 km (0.101 R)
• M2: 539,749 km (0.098 R)
• M3: 1,079,797 km (0.09 R)
• M4: 1,369,120 km (0.116 R)
• M5: 1,758,673 km (0.105 R)
• M6: 2,410,321 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525

Radius: 9.7

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.81 AU - 1.01 AU

Year: 579 Days

Day: 9.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,035,523 km

• M1: 121,174 km (0.04 R)
• M2: 452,384 km (0.103 R)
• M3: 874,100 km (0.12 R)
• M4: 1,240,166 km (0.103 R)
• M5: 1,724,115 km (0.072 R)
• M6: 2,321,310 km (0.1 R)
• M7: 2,648,032 km (0.094 R)
• M8: 3,532,305 km (0.11 R)
• M9: 4,378,430 km (0.119 R)
• M10: 5,768,195 km (0.107 R)
• M11: 6,166,723 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 9

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.44 AU - 2.64 AU

Year: 2699 Days

Day: 6.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,035,523 km

• M1: 111,899 km (0.107 R)
• M2: 401,221 km (0.093 R)
• M3: 692,339 km (0.097 R)
• M4: 1,141,133 km (0.093 R)
• M5: 1,579,903 km (0.113 R)
• M6: 1,940,733 km (0.081 R)
• M7: 2,315,027 km (0.103 R)
• M8: 3,261,682 km (0.052 R)
• M9: 4,091,203 km (0.077 R)
• M10: 4,425,404 km (0.09 R)
• M11: 4,732,977 km (0.092 R)
• M12: 6,189,313 km (0.109 R)
• M13: 6,744,919 km (0.057 R)
• M14: 7,765,326 km (0.075 R)
• M15: 9,448,003 km (0.064 R)
• M16: 9,959,777 km (0.072 R)
• M17: 10,451,506 km (0.088 R)
• M18: 12,193,872 km (0.098 R)
• M19: 13,981,118 km (0.074 R)
• M20: 14,839,810 km (0.116 R)
• M21: 16,038,837 km (0.111 R)
• M22: 16,979,508 km (0.041 R)
• M23: 17,956,532 km (0.095 R)
• M24: 18,799,067 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.7

Radius: 11.5

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.59 AU - 3.39 AU

Year: 3448 Days

Day: 13.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,035,523 km

• M1: 179,368 km (0.102 R)
• M2: 1,252,134 km (0.076 R)
• M3: 2,137,903 km (0.054 R)
• M4: 3,209,024 km (0.084 R)
• M5: 4,705,601 km (0.114 R)
• M6: 5,322,393 km (0.093 R)
• M7: 6,500,177 km (0.087 R)
• M8: 7,266,118 km (0.103 R)
• M9: 7,636,822 km (0.104 R)
• M10: 8,787,828 km (0.11 R)
• M11: 10,943,533 km (0.086 R)
• M12: 12,027,370 km (0.065 R)
• M13: 14,619,302 km (0.058 R)
• M14: 15,048,798 km (0.072 R)
• M15: 16,560,634 km (0.101 R)
• M16: 19,949,774 km (0.069 R)
• M17: 21,289,123 km (0.093 R)
• M18: 22,403,029 km (0.106 R)
• M19: 23,482,378 km (0.115 R)
• M20: 24,445,339 km (0.058 R)
• M21: 26,688,559 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57

Radius: 13.1

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.37 AU - 4.71 AU

Year: 5415 Days

Day: 11.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,035,523 km

• M1: 163,959 km (0.044 R)
• M2: 592,408 km (0.101 R)
• M3: 1,691,952 km (0.045 R)
• M4: 2,255,038 km (0.069 R)
• M5: 2,802,267 km (0.083 R)
• M6: 3,235,802 km (0.113 R)
• M7: 4,936,431 km (0.094 R)
• M8: 5,420,529 km (0.088 R)
• M9: 5,844,190 km (0.062 R)
• M10: 8,394,086 km (0.108 R)
• M11: 9,055,458 km (0.118 R)
• M12: 11,611,338 km (0.036 R)
• M13: 12,586,716 km (0.03 R)
• M14: 13,173,888 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.7

Radius: 9.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.15 AU - 5.15 AU

Year: 5638 Days

Day: 7.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,035,523 km

• M1: 123,269 km (0.048 R)
• M2: 435,779 km (0.103 R)
• M3: 1,146,817 km (0.094 R)
• M4: 1,657,096 km (0.076 R)
• M5: 1,994,738 km (0.032 R)
• M6: 2,738,688 km (0.034 R)
• M7: 3,134,973 km (0.073 R)
• M8: 4,081,927 km (0.12 R)
• M9: 4,898,582 km (0.047 R)
• M10: 5,322,991 km (0.076 R)
• M11: 6,505,563 km (0.085 R)
• M12: 7,271,803 km (0.112 R)
• M13: 8,005,730 km (0.072 R)
• M14: 8,723,800 km (0.112 R)
• M15: 10,216,487 km (0.105 R)
• M16: 11,365,848 km (0.033 R)
• M17: 13,269,630 km (0.087 R)
• M18: 15,236,394 km (0.036 R)
• M19: 15,804,865 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.3

Radius: 8.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.72 AU - 5.22 AU

Year: 7389 Days

Day: 6.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,035,523 km

• M1: 106,962 km (0.095 R)
• M2: 561,890 km (0.068 R)
• M3: 838,047 km (0.086 R)
• M4: 2,177,995 km (0.091 R)
• M5: 2,781,174 km (0.097 R)
• M6: 3,308,357 km (0.077 R)
• M7: 4,013,561 km (0.12 R)
• M8: 4,763,944 km (0.084 R)
• M9: 5,159,032 km (0.067 R)
• M10: 5,895,951 km (0.112 R)
• M11: 6,258,876 km (0.102 R)
• M12: 7,232,010 km (0.089 R)
• M13: 7,542,725 km (0.047 R)
• M14: 8,080,529 km (0.104 R)
• M15: 8,798,150 km (0.093 R)
• M16: 9,974,438 km (0.09 R)
• M17: 10,799,919 km (0.075 R)
• M18: 11,069,794 km (0.098 R)
• M19: 11,390,382 km (0.098 R)
• M20: 14,290,636 km (0.073 R)
• M21: 14,616,310 km (0.108 R)
• M22: 15,508,961 km (0.116 R)
• M23: 16,556,146 km (0.094 R)
• M24: 20,387,497 km (0.044 R)
• M25: 21,857,296 km (0.076 R)
• M26: 22,435,342 km (0.083 R)
• M27: 23,546,555 km (0.116 R)
• M28: 24,461,645 km (0.047 R)
• M29: 28,445,586 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.3

Radius: 5.3

Gravity: 34.58 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.46 AU - 7.84 AU

Year: 11436 Days

Day: 24.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 77.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,035,523 km

• M1: 65,973 km (0.102 R)
• M2: 2,048,144 km (0.081 R)
• M3: 2,460,436 km (0.119 R)
• M4: 3,118,517 km (0.095 R)
• M5: 4,841,286 km (0.073 R)
• M6: 5,534,074 km (0.099 R)
• M7: 6,735,195 km (0.09 R)
• M8: 7,731,816 km (0.094 R)
• M9: 10,176,246 km (0.108 R)
• M10: 12,899,076 km (0.103 R)
• M11: 13,949,702 km (0.119 R)
• M12: 14,634,711 km (0.117 R)
• M13: 17,054,157 km (0.063 R)
• M14: 19,558,126 km (0.112 R)
• M15: 21,657,433 km (0.115 R)
• M16: 25,180,613 km (0.078 R)
• M17: 25,684,159 km (0.109 R)
• M18: 27,025,005 km (0.05 R)
• M19: 31,210,903 km (0.065 R)
• M20: 33,457,265 km (0.116 R)
• M21: 40,015,186 km (0.036 R)
• M22: 47,839,454 km (0.112 R)
• M23: 52,108,230 km (0.092 R)
• M24: 53,751,562 km (0.085 R)
• M25: 58,888,304 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.6

Radius: 6.4

Gravity: 17.79 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.86 AU - 8.56 AU

Year: 14276 Days

Day: 24.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,035,523 km

• M1: 79,586 km (0.094 R)
• M2: 288,724 km (0.08 R)
• M3: 504,594 km (0.071 R)
• M4: 914,791 km (0.113 R)
• M5: 1,326,335 km (0.096 R)
• M6: 2,053,231 km (0.098 R)
• M7: 2,408,825 km (0.084 R)
• M8: 2,623,797 km (0.101 R)
• M9: 4,225,841 km (0.094 R)
• M10: 5,249,988 km (0.109 R)
• M11: 6,070,831 km (0.084 R)
• M12: 7,413,322 km (0.111 R)
• M13: 9,251,282 km (0.081 R)
• M14: 10,671,265 km (0.084 R)
• M15: 11,858,025 km (0.073 R)
• M16: 12,933,933 km (0.098 R)
• M17: 15,645,394 km (0.05 R)
• M18: 17,489,936 km (0.106 R)
• M19: 18,135,600 km (0.06 R)
• M20: 22,631,166 km (0.116 R)
• M21: 23,885,544 km (0.052 R)
• M22: 24,780,738 km (0.098 R)
• M23: 25,185,550 km (0.087 R)
• M24: 26,532,230 km (0.117 R)
• M25: 35,505,259 km (0.113 R)
• M26: 36,539,430 km (0.044 R)
• M27: 46,767,735 km (0.105 R)
• M28: 54,723,051 km (0.056 R)
• M29: 58,035,746 km (0.056 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 15,261 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit