🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.8

Radius: 9.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.58 AU - 0.7 AU

Year: 353 Days

Day: 8.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,862,390 km

• M1: 121,922 km (0.116 R)
• M2: 451,786 km (0.113 R)
• M3: 931,845 km (0.103 R)
• M4: 1,432,998 km (0.092 R)
• M5: 2,070,734 km (0.06 R)
• M6: 2,630,978 km (0.103 R)
• M7: 3,151,429 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.9

Radius: 12.7

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.61 AU - 0.77 AU

Year: 396 Days

Day: 10 Hours

Environment

Temp: -159 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,862,390 km

• M1: 158,873 km (0.034 R)
• M2: 556,354 km (0.105 R)
• M3: 1,053,917 km (0.111 R)
• M4: 1,479,373 km (0.1 R)
• M5: 2,140,297 km (0.072 R)
• M6: 2,624,545 km (0.079 R)
• M7: 3,239,542 km (0.088 R)
• M8: 4,363,022 km (0.1 R)
• M9: 5,509,839 km (0.084 R)
• M10: 6,100,152 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.2

Radius: 11.7

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.56 AU - 1.68 AU

Year: 1423 Days

Day: 8.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,862,390 km

• M1: 145,559 km (0.084 R)
• M2: 537,804 km (0.065 R)
• M3: 907,161 km (0.115 R)
• M4: 1,482,515 km (0.05 R)
• M5: 2,425,879 km (0.088 R)
• M6: 2,944,236 km (0.069 R)
• M7: 3,955,517 km (0.119 R)
• M8: 5,617,400 km (0.088 R)
• M9: 6,830,190 km (0.111 R)
• M10: 7,566,511 km (0.061 R)
• M11: 8,530,819 km (0.112 R)
• M12: 11,015,938 km (0.11 R)
• M13: 13,261,253 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.9

Radius: 14.8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.2 AU - 4 AU

Year: 4715 Days

Day: 6.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,862,390 km

• M1: 184,005 km (0.09 R)
• M2: 740,509 km (0.088 R)
• M3: 1,379,442 km (0.109 R)
• M4: 2,109,629 km (0.104 R)
• M5: 2,661,795 km (0.095 R)
• M6: 4,423,759 km (0.079 R)
• M7: 5,183,267 km (0.089 R)
• M8: 6,932,365 km (0.066 R)
• M9: 10,566,995 km (0.113 R)
• M10: 12,296,646 km (0.076 R)
• M11: 14,994,195 km (0.054 R)
• M12: 15,975,108 km (0.053 R)
• M13: 17,231,730 km (0.048 R)
• M14: 20,594,989 km (0.066 R)
• M15: 23,066,496 km (0.069 R)
• M16: 24,005,671 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.5

Radius: 14.8

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.56 AU - 5.14 AU

Year: 6262 Days

Day: 13.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,862,390 km

• M1: 184,155 km (0.111 R)
• M2: 695,481 km (0.081 R)
• M3: 1,592,619 km (0.11 R)
• M4: 2,112,771 km (0.092 R)
• M5: 2,766,364 km (0.086 R)
• M6: 3,575,539 km (0.063 R)
• M7: 4,538,201 km (0.09 R)
• M8: 5,154,095 km (0.118 R)
• M9: 5,825,341 km (0.026 R)
• M10: 7,684,992 km (0.084 R)
• M11: 9,027,334 km (0.095 R)
• M12: 9,642,032 km (0.077 R)
• M13: 10,425,924 km (0.059 R)
• M14: 11,861,166 km (0.068 R)
• M15: 13,537,261 km (0.107 R)
• M16: 14,699,487 km (0.055 R)
• M17: 18,308,087 km (0.096 R)
• M18: 19,439,047 km (0.068 R)
• M19: 21,375,591 km (0.051 R)
• M20: 24,015,096 km (0.06 R)
• M21: 25,978,717 km (0.083 R)
• M22: 27,044,752 km (0.101 R)
• M23: 27,588,540 km (0.05 R)
• M24: 29,645,361 km (0.111 R)
• M25: 32,205,878 km (0.109 R)
• M26: 33,748,382 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.2

Radius: 12

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.26 AU - 4.62 AU

Year: 6458 Days

Day: 7.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,862,390 km

• M1: 149,299 km (0.077 R)
• M2: 594,502 km (0.118 R)
• M3: 1,485,806 km (0.119 R)
• M4: 2,513,843 km (0.083 R)
• M5: 3,380,912 km (0.055 R)
• M6: 3,826,115 km (0.101 R)
• M7: 4,515,462 km (0.11 R)
• M8: 5,199,424 km (0.093 R)
• M9: 6,469,510 km (0.114 R)
• M10: 8,933,835 km (0.064 R)
• M11: 10,607,087 km (0.035 R)
• M12: 11,224,927 km (0.087 R)
• M13: 11,617,023 km (0.108 R)
• M14: 14,278,518 km (0.116 R)
• M15: 15,508,961 km (0.084 R)
• M16: 18,180,180 km (0.116 R)
• M17: 19,343,902 km (0.079 R)
• M18: 20,194,815 km (0.081 R)
• M19: 21,517,709 km (0.044 R)
• M20: 22,200,474 km (0.068 R)
• M21: 22,663,479 km (0.095 R)
• M22: 26,259,513 km (0.09 R)
• M23: 27,039,366 km (0.118 R)
• M24: 29,102,321 km (0.103 R)
• M25: 30,503,006 km (0.074 R)
• M26: 33,640,672 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.1

Radius: 4.5

Gravity: 25.14 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.39 AU - 7.81 AU

Year: 11704 Days

Day: 21.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,862,390 km

• M1: 55,950 km (0.054 R)
• M2: 205,847 km (0.062 R)
• M3: 673,041 km (0.12 R)
• M4: 1,057,657 km (0.065 R)
• M5: 1,343,389 km (0.109 R)
• M6: 2,192,656 km (0.088 R)
• M7: 2,340,758 km (0.072 R)
• M8: 2,657,307 km (0.095 R)
• M9: 2,847,595 km (0.104 R)
• M10: 3,138,414 km (0.1 R)
• M11: 3,327,057 km (0.073 R)
• M12: 3,473,513 km (0.105 R)
• M13: 3,675,470 km (0.109 R)
• M14: 4,562,885 km (0.107 R)
• M15: 7,145,542 km (0.115 R)
• M16: 7,724,486 km (0.092 R)
• M17: 8,881,925 km (0.091 R)
• M18: 10,563,704 km (0.102 R)
• M19: 10,721,530 km (0.079 R)
• M20: 13,282,795 km (0.059 R)
• M21: 18,258,570 km (0.082 R)
• M22: 20,701,802 km (0.026 R)
• M23: 21,618,687 km (0.042 R)
• M24: 23,354,472 km (0.091 R)
• M25: 23,622,551 km (0.097 R)
• M26: 25,087,413 km (0.071 R)
• M27: 26,321,446 km (0.057 R)
• M28: 27,995,297 km (0.066 R)
• M29: 28,704,690 km (0.091 R)
• M30: 31,553,482 km (0.09 R)
• M31: 32,878,022 km (0.11 R)
• M32: 40,187,673 km (0.116 R)
• M33: 43,202,818 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.4

Radius: 3.3

Gravity: 19.5 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.15 AU - 9.85 AU

Year: 20211 Days

Day: 23.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,862,390 km

• M1: 74,051 km (0.051 R)
• M2: 300,093 km (0.102 R)
• M3: 1,166,415 km (0.063 R)
• M4: 1,540,409 km (0.09 R)
• M5: 2,795,685 km (0.062 R)
• M6: 5,421,277 km (0.117 R)
• M7: 5,736,330 km (0.094 R)
• M8: 7,539,733 km (0.119 R)
• M9: 9,688,556 km (0.113 R)
• M10: 14,404,181 km (0.091 R)
• M11: 15,418,604 km (0.09 R)
• M12: 20,533,654 km (0.118 R)
• M13: 21,468,790 km (0.082 R)
• M14: 21,903,223 km (0.089 R)
• M15: 22,432,051 km (0.101 R)
• M16: 26,673,151 km (0.086 R)
• M17: 40,262,322 km (0.106 R)
• M18: 41,858,531 km (0.093 R)
• M19: 44,752,502 km (0.094 R)
• M20: 50,019,095 km (0.064 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: 511 - 17,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit