🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.9

Radius: 11.1

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.44 AU - 0.68 AU

Year: 284 Days

Day: 7.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,569,622 km

• M1: 138,079 km (0.101 R)
• M2: 483,650 km (0.085 R)
• M3: 871,856 km (0.062 R)
• M4: 1,354,609 km (0.111 R)
• M5: 1,938,190 km (0.094 R)
• M6: 2,398,802 km (0.055 R)
• M7: 2,902,498 km (0.113 R)
• M8: 3,554,296 km (0.1 R)
• M9: 4,470,583 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.3

Radius: 13.8

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.46 AU - 0.76 AU

Year: 323 Days

Day: 13.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,569,622 km

• M1: 171,738 km (0.094 R)
• M2: 708,645 km (0.095 R)
• M3: 1,154,746 km (0.034 R)
• M4: 1,608,925 km (0.042 R)
• M5: 2,098,858 km (0.08 R)
• M6: 2,547,801 km (0.103 R)
• M7: 2,997,044 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470

Radius: 15

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.61 AU - 0.79 AU

Year: 397 Days

Day: 6 Hours

Environment

Temp: -168 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,569,622 km

• M1: 186,549 km (0.116 R)
• M2: 747,092 km (0.099 R)
• M3: 1,404,724 km (0.093 R)
• M4: 2,021,067 km (0.087 R)
• M5: 2,601,956 km (0.059 R)
• M6: 3,261,982 km (0.03 R)
• M7: 3,778,543 km (0.081 R)
• M8: 4,246,485 km (0.107 R)
• M9: 4,893,496 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906

Radius: 11.6

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.74 AU - 0.74 AU

Year: 432 Days

Day: 5.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,569,622 km

• M1: 144,212 km (0.046 R)
• M2: 505,491 km (0.11 R)
• M3: 969,394 km (0.094 R)
• M4: 1,386,024 km (0.1 R)
• M5: 1,765,404 km (0.115 R)
• M6: 2,353,324 km (0.069 R)
• M7: 2,730,610 km (0.118 R)
• M8: 3,206,930 km (0.109 R)
• M9: 3,686,391 km (0.097 R)
• M10: 4,652,793 km (0.057 R)
• M11: 5,236,823 km (0.092 R)
• M12: 6,084,893 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240

Radius: 10

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.72 AU - 0.9 AU

Year: 494 Days

Day: 7.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 54.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,569,622 km

• M1: 124,615 km (0.112 R)
• M2: 473,926 km (0.039 R)
• M3: 845,078 km (0.081 R)
• M4: 1,279,660 km (0.107 R)
• M5: 1,729,351 km (0.064 R)
• M6: 2,366,040 km (0.103 R)
• M7: 3,561,028 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.8

Radius: 3

Gravity: 108.98 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.76 AU - 6.86 AU

Year: 12053 Days

Day: 15.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,569,622 km

• M1: 37,250 km (0.044 R)
• M2: 137,780 km (0.096 R)
• M3: 239,656 km (0.106 R)
• M4: 406,009 km (0.082 R)
• M5: 893,249 km (0.043 R)
• M6: 1,051,224 km (0.098 R)
• M7: 1,559,857 km (0.051 R)
• M8: 2,275,084 km (0.114 R)
• M9: 2,526,708 km (0.119 R)
• M10: 2,636,812 km (0.082 R)
• M11: 2,914,167 km (0.093 R)
• M12: 3,392,880 km (0.095 R)
• M13: 3,499,842 km (0.11 R)
• M14: 4,967,397 km (0.118 R)
• M15: 7,499,192 km (0.062 R)
• M16: 8,196,916 km (0.085 R)
• M17: 9,192,939 km (0.09 R)
• M18: 11,184,236 km (0.104 R)
• M19: 13,578,999 km (0.047 R)
• M20: 13,781,405 km (0.094 R)
• M21: 14,400,889 km (0.107 R)
• M22: 16,143,106 km (0.108 R)
• M23: 20,126,150 km (0.111 R)
• M24: 23,244,517 km (0.089 R)
• M25: 27,093,820 km (0.081 R)
• M26: 28,173,019 km (0.092 R)
• M27: 31,464,322 km (0.111 R)
• M28: 38,797,460 km (0.118 R)
• M29: 42,712,735 km (0.102 R)
• M30: 42,857,247 km (0.113 R)
• M31: 54,649,000 km (0.092 R)
• M32: 59,192,885 km (0.114 R)
• M33: 61,005,413 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.3

Radius: 8

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.08 AU - 8.22 AU

Year: 12967 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,569,622 km

• M1: 99,483 km (0.099 R)
• M2: 393,143 km (0.055 R)
• M3: 1,358,199 km (0.038 R)
• M4: 2,562,013 km (0.102 R)
• M5: 4,503,345 km (0.088 R)
• M6: 5,917,194 km (0.045 R)
• M7: 12,136,426 km (0.07 R)
• M8: 14,291,234 km (0.09 R)
• M9: 16,806,872 km (0.037 R)
• M10: 19,407,781 km (0.111 R)
• M11: 22,123,580 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.2

Radius: 5.9

Gravity: 21.92 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6 AU - 8.9 AU

Year: 13792 Days

Day: 21.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,569,622 km

• M1: 73,602 km (0.092 R)
• M2: 391,797 km (0.059 R)
• M3: 802,293 km (0.093 R)
• M4: 1,081,144 km (0.102 R)
• M5: 1,511,986 km (0.08 R)
• M6: 1,835,416 km (0.101 R)
• M7: 2,895,018 km (0.084 R)
• M8: 3,163,097 km (0.071 R)
• M9: 5,031,276 km (0.053 R)
• M10: 6,581,110 km (0.03 R)
• M11: 7,397,316 km (0.105 R)
• M12: 7,993,313 km (0.069 R)
• M13: 9,332,813 km (0.107 R)
• M14: 9,919,087 km (0.108 R)
• M15: 14,238,875 km (0.116 R)
• M16: 14,517,875 km (0.104 R)
• M17: 21,805,685 km (0.113 R)
• M18: 23,605,347 km (0.058 R)
• M19: 25,913,493 km (0.081 R)
• M20: 27,713,155 km (0.101 R)
• M21: 29,821,288 km (0.045 R)
• M22: 30,856,356 km (0.109 R)
• M23: 37,177,165 km (0.106 R)
• M24: 42,555,358 km (0.055 R)
• M25: 43,719,230 km (0.062 R)
• M26: 49,061,220 km (0.111 R)
• M27: 50,825,877 km (0.094 R)
• M28: 57,247,365 km (0.104 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 17,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit