🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.9

Radius: 8.5

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.5 AU - 0.68 AU

Year: 313 Days

Day: 14.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 89,633,374 km

• M1: 105,766 km (0.112 R)
• M2: 402,717 km (0.119 R)
• M3: 749,635 km (0.115 R)
• M4: 1,221,616 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 8.3

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.58 AU - 0.62 AU

Year: 321 Days

Day: 13.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,633,374 km

• M1: 112,647 km (0.097 R)
• M2: 519,404 km (0.041 R)
• M3: 1,130,661 km (0.085 R)
• M4: 1,407,566 km (0.119 R)
• M5: 1,694,944 km (0.059 R)
• M6: 1,998,179 km (0.085 R)
• M7: 2,426,328 km (0.115 R)
• M8: 2,744,822 km (0.08 R)
• M9: 3,038,482 km (0.117 R)
• M10: 3,330,647 km (0.111 R)
• M11: 3,629,843 km (0.075 R)
• M12: 4,750,032 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.1

Radius: 15

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.13 AU - 1.67 AU

Year: 1143 Days

Day: 12.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,633,374 km

• M1: 186,549 km (0.1 R)
• M2: 683,064 km (0.081 R)
• M3: 1,331,271 km (0.039 R)
• M4: 1,989,203 km (0.119 R)
• M5: 2,465,822 km (0.084 R)
• M6: 3,534,549 km (0.093 R)
• M7: 4,158,821 km (0.098 R)
• M8: 4,762,598 km (0.054 R)
• M9: 5,384,027 km (0.075 R)
• M10: 6,259,325 km (0.112 R)
• M11: 7,352,287 km (0.079 R)
• M12: 7,892,185 km (0.045 R)
• M13: 9,109,613 km (0.107 R)
• M14: 11,033,441 km (0.089 R)
• M15: 11,571,246 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.9

Radius: 10.7

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.38 AU - 1.64 AU

Year: 1281 Days

Day: 14.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,633,374 km

• M1: 133,142 km (0.107 R)
• M2: 489,035 km (0.078 R)
• M3: 919,578 km (0.051 R)
• M4: 1,265,000 km (0.106 R)
• M5: 1,731,446 km (0.093 R)
• M6: 2,251,598 km (0.063 R)
• M7: 2,647,284 km (0.118 R)
• M8: 3,040,577 km (0.101 R)
• M9: 3,380,613 km (0.097 R)
• M10: 3,760,142 km (0.109 R)
• M11: 4,541,343 km (0.092 R)
• M12: 5,039,354 km (0.109 R)
• M13: 7,053,689 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.8

Radius: 10

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.16 AU - 2.42 AU

Year: 2392 Days

Day: 14.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,633,374 km

• M1: 124,316 km (0.065 R)
• M2: 445,652 km (0.072 R)
• M3: 774,169 km (0.096 R)
• M4: 1,204,562 km (0.058 R)
• M5: 1,629,270 km (0.087 R)
• M6: 2,533,141 km (0.102 R)
• M7: 3,154,720 km (0.107 R)
• M8: 3,704,043 km (0.097 R)
• M9: 4,051,410 km (0.118 R)
• M10: 4,399,524 km (0.105 R)
• M11: 5,203,463 km (0.118 R)
• M12: 5,715,835 km (0.066 R)
• M13: 7,517,891 km (0.081 R)
• M14: 9,491,985 km (0.1 R)
• M15: 10,333,174 km (0.065 R)
• M16: 11,383,201 km (0.095 R)
• M17: 11,748,519 km (0.083 R)
• M18: 12,079,729 km (0.088 R)
• M19: 12,804,531 km (0.051 R)
• M20: 13,603,383 km (0.063 R)
• M21: 15,202,285 km (0.103 R)
• M22: 16,610,300 km (0.063 R)
• M23: 17,399,429 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.3

Radius: 8.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.75 AU - 3.89 AU

Year: 4176 Days

Day: 7.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,633,374 km

• M1: 109,655 km (0.069 R)
• M2: 387,608 km (0.107 R)
• M3: 884,572 km (0.091 R)
• M4: 1,275,920 km (0.079 R)
• M5: 1,595,461 km (0.027 R)
• M6: 2,080,158 km (0.032 R)
• M7: 2,660,149 km (0.047 R)
• M8: 3,103,857 km (0.071 R)
• M9: 4,539,547 km (0.116 R)
• M10: 4,827,523 km (0.08 R)
• M11: 5,868,276 km (0.039 R)
• M12: 7,348,696 km (0.097 R)
• M13: 8,159,367 km (0.045 R)
• M14: 9,884,231 km (0.104 R)
• M15: 11,388,736 km (0.053 R)
• M16: 13,173,588 km (0.117 R)
• M17: 13,624,626 km (0.097 R)
• M18: 16,291,657 km (0.06 R)
• M19: 17,666,013 km (0.105 R)
• M20: 18,048,834 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.7

Radius: 5.6

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.32 AU - 8.42 AU

Year: 13811 Days

Day: 18.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,633,374 km

• M1: 70,909 km (0.077 R)
• M2: 452,234 km (0.081 R)
• M3: 756,217 km (0.117 R)
• M4: 973,433 km (0.114 R)
• M5: 1,243,009 km (0.091 R)
• M6: 1,511,088 km (0.094 R)
• M7: 1,888,823 km (0.108 R)
• M8: 2,179,641 km (0.103 R)
• M9: 2,499,780 km (0.104 R)
• M10: 2,850,887 km (0.104 R)
• M11: 4,645,762 km (0.106 R)
• M12: 5,205,557 km (0.094 R)
• M13: 6,324,848 km (0.067 R)
• M14: 6,627,934 km (0.108 R)
• M15: 8,212,175 km (0.095 R)
• M16: 10,679,343 km (0.028 R)
• M17: 11,550,900 km (0.073 R)
• M18: 14,916,404 km (0.034 R)
• M19: 16,127,847 km (0.091 R)
• M20: 17,468,843 km (0.11 R)
• M21: 20,443,746 km (0.099 R)
• M22: 20,884,012 km (0.104 R)
• M23: 22,165,617 km (0.094 R)
• M24: 29,647,156 km (0.076 R)
• M25: 31,946,027 km (0.1 R)
• M26: 32,241,483 km (0.056 R)
• M27: 32,737,848 km (0.09 R)
• M28: 34,360,836 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.6

Radius: 6.9

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.15 AU - 11.45 AU

Year: 19577 Days

Day: 21.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,633,374 km

• M1: 89,011 km (0.06 R)
• M2: 354,397 km (0.049 R)
• M3: 596,896 km (0.118 R)
• M4: 921,822 km (0.066 R)
• M5: 1,213,837 km (0.111 R)
• M6: 1,629,719 km (0.117 R)
• M7: 1,845,140 km (0.087 R)
• M8: 2,194,900 km (0.085 R)
• M9: 3,821,029 km (0.105 R)
• M10: 4,582,183 km (0.072 R)
• M11: 6,320,510 km (0.114 R)
• M12: 7,292,298 km (0.061 R)
• M13: 8,956,724 km (0.063 R)
• M14: 9,528,188 km (0.052 R)
• M15: 10,123,886 km (0.077 R)
• M16: 10,572,381 km (0.088 R)
• M17: 11,630,187 km (0.077 R)
• M18: 13,147,858 km (0.074 R)
• M19: 13,749,540 km (0.078 R)
• M20: 14,299,761 km (0.083 R)
• M21: 14,721,926 km (0.081 R)
• M22: 16,494,212 km (0.07 R)
• M23: 16,802,833 km (0.113 R)
• M24: 17,352,156 km (0.067 R)
• M25: 18,652,760 km (0.083 R)
• M26: 24,208,675 km (0.103 R)
• M27: 28,175,263 km (0.106 R)
• M28: 32,796,940 km (0.041 R)
• M29: 35,799,219 km (0.091 R)
• M30: 36,186,827 km (0.112 R)
• M31: 43,653,706 km (0.111 R)
• M32: 44,840,466 km (0.117 R)
• M33: 56,157,096 km (0.055 R)
• M34: 56,680,539 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.1

Radius: 4.5

Gravity: 40.45 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.37 AU - 12.57 AU

Year: 23385 Days

Day: 19 Hours

Environment

Temp: -242 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,633,374 km

• M1: 56,099 km (0.037 R)
• M2: 422,913 km (0.035 R)
• M3: 680,072 km (0.035 R)
• M4: 897,438 km (0.076 R)
• M5: 1,103,733 km (0.075 R)
• M6: 1,422,227 km (0.085 R)
• M7: 2,001,320 km (0.093 R)
• M8: 2,332,380 km (0.098 R)
• M9: 2,647,882 km (0.075 R)
• M10: 4,447,694 km (0.119 R)
• M11: 4,593,253 km (0.116 R)
• M12: 5,534,822 km (0.108 R)
• M13: 5,832,073 km (0.108 R)
• M14: 7,029,903 km (0.117 R)
• M15: 9,716,830 km (0.107 R)
• M16: 9,900,686 km (0.083 R)
• M17: 16,557,941 km (0.111 R)
• M18: 20,589,005 km (0.094 R)
• M19: 21,404,763 km (0.085 R)
• M20: 21,925,513 km (0.101 R)
• M21: 22,668,565 km (0.074 R)
• M22: 30,127,366 km (0.035 R)
• M23: 31,846,544 km (0.102 R)
• M24: 36,207,921 km (0.086 R)
• M25: 37,846,466 km (0.098 R)
• M26: 40,159,548 km (0.038 R)
• M27: 41,752,915 km (0.046 R)
• M28: 46,784,939 km (0.093 R)
• M29: 63,845,978 km (0.036 R)
• M30: 64,060,501 km (0.103 R)
• M31: 75,172,182 km (0.092 R)
• M32: 77,100,199 km (0.111 R)
• M33: 77,587,290 km (0.109 R)
• M34: 83,337,383 km (0.106 R)
• M35: 86,709,768 km (0.179 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 13,062 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit