🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.7

Radius: 15

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.63 AU - 0.89 AU

Year: 457 Days

Day: 11.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,939,813 km

• M1: 186,698 km (0.051 R)
• M2: 1,023,549 km (0.045 R)
• M3: 1,491,491 km (0.091 R)
• M4: 2,090,780 km (0.059 R)
• M5: 2,776,686 km (0.111 R)
• M6: 3,414,123 km (0.113 R)
• M7: 4,203,850 km (0.067 R)
• M8: 5,388,515 km (0.056 R)
• M9: 5,864,685 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.8

Radius: 14.5

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.68 AU - 1.08 AU

Year: 570 Days

Day: 12.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 46,939,813 km

• M1: 180,565 km (0.083 R)
• M2: 818,151 km (0.109 R)
• M3: 1,720,974 km (0.119 R)
• M4: 2,968,620 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.9

Radius: 15

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.89 AU - 1.15 AU

Year: 711 Days

Day: 7.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,939,813 km

• M1: 186,549 km (0.119 R)
• M2: 724,353 km (0.073 R)
• M3: 1,203,066 km (0.064 R)
• M4: 1,815,370 km (0.078 R)
• M5: 4,030,017 km (0.111 R)
• M6: 4,862,978 km (0.113 R)
• M7: 5,512,532 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.3

Radius: 11.5

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.86 AU - 1.34 AU

Year: 796 Days

Day: 7.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,939,813 km

• M1: 143,016 km (0.058 R)
• M2: 509,530 km (0.097 R)
• M3: 1,075,309 km (0.06 R)
• M4: 1,944,473 km (0.101 R)
• M5: 2,589,240 km (0.106 R)
• M6: 5,229,942 km (0.112 R)
• M7: 6,560,016 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.7

Radius: 9.9

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.31 AU - 1.47 AU

Year: 1131 Days

Day: 8 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,939,813 km

• M1: 123,418 km (0.088 R)
• M2: 467,942 km (0.05 R)
• M3: 790,026 km (0.079 R)
• M4: 1,664,276 km (0.105 R)
• M5: 1,983,967 km (0.096 R)
• M6: 2,523,417 km (0.11 R)
• M7: 2,949,023 km (0.034 R)
• M8: 3,879,522 km (0.09 R)
• M9: 5,152,749 km (0.061 R)
• M10: 5,841,498 km (0.109 R)
• M11: 7,351,090 km (0.087 R)
• M12: 8,445,548 km (0.063 R)
• M13: 9,164,366 km (0.108 R)
• M14: 10,366,235 km (0.079 R)
• M15: 11,325,905 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672

Radius: 9.2

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.94 AU - 3.44 AU

Year: 3933 Days

Day: 10.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,939,813 km

• M1: 114,442 km (0.034 R)
• M2: 526,585 km (0.095 R)
• M3: 980,016 km (0.112 R)
• M4: 1,403,527 km (0.083 R)
• M5: 2,054,428 km (0.114 R)
• M6: 2,357,214 km (0.067 R)
• M7: 2,964,431 km (0.116 R)
• M8: 3,530,360 km (0.116 R)
• M9: 3,882,065 km (0.092 R)
• M10: 4,189,189 km (0.103 R)
• M11: 5,667,067 km (0.084 R)
• M12: 6,121,694 km (0.094 R)
• M13: 8,439,115 km (0.116 R)
• M14: 9,032,570 km (0.106 R)
• M15: 9,934,196 km (0.087 R)
• M16: 10,765,960 km (0.077 R)
• M17: 11,331,141 km (0.108 R)
• M18: 12,758,454 km (0.072 R)
• M19: 13,590,219 km (0.099 R)
• M20: 14,044,996 km (0.081 R)
• M21: 16,758,851 km (0.107 R)
• M22: 18,483,415 km (0.108 R)
• M23: 22,421,579 km (0.095 R)
• M24: 22,773,134 km (0.062 R)
• M25: 24,734,961 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.1

Radius: 10.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.74 AU - 4.24 AU

Year: 4500 Days

Day: 8.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,939,813 km

• M1: 129,402 km (0.073 R)
• M2: 2,013,887 km (0.064 R)
• M3: 2,424,682 km (0.112 R)
• M4: 4,345,220 km (0.051 R)
• M5: 4,835,302 km (0.084 R)
• M6: 5,627,274 km (0.073 R)
• M7: 8,363,568 km (0.11 R)
• M8: 11,402,649 km (0.081 R)
• M9: 12,758,903 km (0.062 R)
• M10: 14,450,706 km (0.097 R)
• M11: 17,366,218 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.6

Radius: 7

Gravity: 16.56 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.47 AU - 8.61 AU

Year: 12893 Days

Day: 23.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,939,813 km

• M1: 87,066 km (0.038 R)
• M2: 779,555 km (0.088 R)
• M3: 1,024,446 km (0.088 R)
• M4: 2,403,888 km (0.065 R)
• M5: 3,379,266 km (0.097 R)
• M6: 5,128,514 km (0.106 R)
• M7: 5,888,920 km (0.08 R)
• M8: 6,598,612 km (0.071 R)
• M9: 7,408,236 km (0.058 R)
• M10: 7,631,885 km (0.108 R)
• M11: 10,680,091 km (0.119 R)
• M12: 11,433,765 km (0.076 R)
• M13: 11,975,908 km (0.07 R)
• M14: 13,571,818 km (0.115 R)
• M15: 14,946,922 km (0.089 R)
• M16: 15,815,038 km (0.12 R)
• M17: 18,375,555 km (0.054 R)
• M18: 18,786,201 km (0.095 R)
• M19: 26,217,176 km (0.11 R)
• M20: 27,159,045 km (0.055 R)
• M21: 28,559,131 km (0.097 R)
• M22: 31,268,947 km (0.117 R)
• M23: 32,447,030 km (0.062 R)
• M24: 33,654,285 km (0.101 R)
• M25: 34,766,246 km (0.103 R)
• M26: 37,850,954 km (0.062 R)
• M27: 38,382,176 km (0.095 R)
• M28: 41,253,258 km (0.064 R)
• M29: 45,002,181 km (0.114 R)
• M30: 46,654,340 km (0.114 R)
• M31: 50,880,480 km (0.079 R)
• M32: 55,014,767 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.6

Radius: 4.8

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.78 AU - 10.98 AU

Year: 19830 Days

Day: 15.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,939,813 km

• M1: 61,934 km (0.101 R)
• M2: 351,705 km (0.116 R)
• M3: 558,898 km (0.101 R)
• M4: 1,191,248 km (0.069 R)
• M5: 1,456,335 km (0.07 R)
• M6: 1,729,202 km (0.034 R)
• M7: 4,417,625 km (0.098 R)
• M8: 5,507,894 km (0.09 R)
• M9: 5,919,737 km (0.056 R)
• M10: 7,238,443 km (0.12 R)
• M11: 9,065,332 km (0.066 R)
• M12: 9,541,801 km (0.053 R)
• M13: 11,286,711 km (0.116 R)
• M14: 12,120,120 km (0.1 R)
• M15: 18,222,068 km (0.099 R)
• M16: 19,444,282 km (0.106 R)
• M17: 19,758,288 km (0.109 R)
• M18: 21,966,203 km (0.108 R)
• M19: 23,173,458 km (0.085 R)
• M20: 24,062,369 km (0.058 R)
• M21: 28,445,437 km (0.114 R)
• M22: 28,748,522 km (0.114 R)
• M23: 30,824,043 km (0.08 R)
• M24: 32,997,401 km (0.11 R)
• M25: 38,997,622 km (0.118 R)
• M26: 43,510,989 km (0.046 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: 483 - 14,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit