🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.3

Radius: 13.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.74 AU - 0.98 AU

Year: 523 Days

Day: 11.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,427,439 km

• M1: 162,912 km (0.057 R)
• M2: 718,070 km (0.081 R)
• M3: 1,188,555 km (0.096 R)
• M4: 2,517,583 km (0.104 R)
• M5: 3,106,250 km (0.065 R)
• M6: 3,514,204 km (0.098 R)
• M7: 3,933,078 km (0.111 R)
• M8: 4,426,003 km (0.111 R)
• M9: 4,945,406 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.7

Radius: 13.2

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.92 AU - 1.14 AU

Year: 686 Days

Day: 13.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 95.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,427,439 km

• M1: 164,258 km (0.098 R)
• M2: 589,116 km (0.04 R)
• M3: 1,122,283 km (0.041 R)
• M4: 1,591,123 km (0.102 R)
• M5: 2,048,593 km (0.092 R)
• M6: 2,461,783 km (0.083 R)
• M7: 3,046,411 km (0.107 R)
• M8: 3,551,005 km (0.116 R)
• M9: 4,025,828 km (0.102 R)
• M10: 4,778,156 km (0.066 R)
• M11: 5,463,314 km (0.047 R)
• M12: 5,986,757 km (0.104 R)
• M13: 6,865,645 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.2

Radius: 8.6

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.57 AU - 2.87 AU

Year: 2943 Days

Day: 11.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,427,439 km

• M1: 109,057 km (0.051 R)
• M2: 432,787 km (0.091 R)
• M3: 794,065 km (0.086 R)
• M4: 1,163,123 km (0.103 R)
• M5: 1,558,062 km (0.107 R)
• M6: 1,841,550 km (0.051 R)
• M7: 2,146,281 km (0.108 R)
• M8: 2,425,879 km (0.109 R)
• M9: 2,714,154 km (0.076 R)
• M10: 3,042,521 km (0.096 R)
• M11: 4,126,807 km (0.05 R)
• M12: 4,450,836 km (0.099 R)
• M13: 4,815,107 km (0.032 R)
• M14: 5,248,641 km (0.073 R)
• M15: 5,577,906 km (0.111 R)
• M16: 6,002,016 km (0.098 R)
• M17: 6,855,023 km (0.085 R)
• M18: 8,419,069 km (0.064 R)
• M19: 9,375,897 km (0.102 R)
• M20: 10,091,424 km (0.033 R)
• M21: 12,017,795 km (0.105 R)
• M22: 13,508,688 km (0.066 R)
• M23: 14,967,716 km (0.093 R)
• M24: 15,271,699 km (0.118 R)
• M25: 17,182,961 km (0.049 R)
• M26: 17,967,452 km (0.116 R)
• M27: 18,951,956 km (0.083 R)
• M28: 19,547,655 km (0.109 R)
• M29: 20,902,114 km (0.113 R)
• M30: 21,345,821 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809

Radius: 11

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.39 AU - 3.07 AU

Year: 2959 Days

Day: 13.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,427,439 km

• M1: 138,079 km (0.077 R)
• M2: 498,909 km (0.096 R)
• M3: 925,861 km (0.11 R)
• M4: 1,514,978 km (0.087 R)
• M5: 2,488,261 km (0.112 R)
• M6: 2,982,682 km (0.084 R)
• M7: 3,503,732 km (0.096 R)
• M8: 3,877,577 km (0.072 R)
• M9: 4,567,971 km (0.05 R)
• M10: 5,835,514 km (0.093 R)
• M11: 6,420,741 km (0.117 R)
• M12: 7,355,877 km (0.089 R)
• M13: 8,106,559 km (0.098 R)
• M14: 8,979,762 km (0.048 R)
• M15: 9,346,127 km (0.095 R)
• M16: 11,246,020 km (0.059 R)
• M17: 11,889,141 km (0.086 R)
• M18: 12,286,772 km (0.084 R)
• M19: 12,923,012 km (0.07 R)
• M20: 13,918,287 km (0.115 R)
• M21: 14,409,865 km (0.092 R)
• M22: 16,877,183 km (0.053 R)
• M23: 19,128,182 km (0.11 R)
• M24: 19,674,813 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 8.5

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.18 AU - 3.54 AU

Year: 3173 Days

Day: 6.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,427,439 km

• M1: 105,766 km (0.111 R)
• M2: 377,286 km (0.099 R)
• M3: 716,723 km (0.108 R)
• M4: 1,225,356 km (0.11 R)
• M5: 1,671,457 km (0.12 R)
• M6: 1,996,533 km (0.095 R)
• M7: 2,727,768 km (0.066 R)
• M8: 3,607,253 km (0.056 R)
• M9: 4,133,688 km (0.04 R)
• M10: 4,922,069 km (0.026 R)
• M11: 5,364,879 km (0.109 R)
• M12: 7,281,826 km (0.12 R)
• M13: 8,636,435 km (0.047 R)
• M14: 9,135,344 km (0.06 R)
• M15: 10,073,921 km (0.05 R)
• M16: 11,283,419 km (0.081 R)
• M17: 12,813,656 km (0.104 R)
• M18: 15,284,115 km (0.086 R)
• M19: 16,014,302 km (0.105 R)
• M20: 16,334,143 km (0.099 R)
• M21: 17,319,693 km (0.086 R)
• M22: 18,518,870 km (0.076 R)
• M23: 19,590,140 km (0.105 R)
• M24: 21,145,659 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.1

Radius: 10.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.01 AU - 3.61 AU

Year: 3950 Days

Day: 6.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,427,439 km

• M1: 128,205 km (0.108 R)
• M2: 609,462 km (0.034 R)
• M3: 1,014,573 km (0.049 R)
• M4: 1,684,472 km (0.076 R)
• M5: 2,453,854 km (0.06 R)
• M6: 2,950,968 km (0.048 R)
• M7: 3,284,272 km (0.112 R)
• M8: 5,086,028 km (0.075 R)
• M9: 13,112,702 km (0.053 R)
• M10: 14,347,932 km (0.109 R)
• M11: 15,066,899 km (0.032 R)
• M12: 16,369,597 km (0.073 R)
• M13: 17,368,163 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.3

Radius: 10.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.65 AU - 5.45 AU

Year: 7445 Days

Day: 9.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,427,439 km

• M1: 130,599 km (0.087 R)
• M2: 613,950 km (0.116 R)
• M3: 1,451,847 km (0.043 R)
• M4: 2,006,107 km (0.116 R)
• M5: 2,474,349 km (0.097 R)
• M6: 3,539,336 km (0.087 R)
• M7: 4,047,520 km (0.089 R)
• M8: 4,800,296 km (0.078 R)
• M9: 5,240,563 km (0.118 R)
• M10: 7,053,390 km (0.1 R)
• M11: 7,584,762 km (0.1 R)
• M12: 10,122,839 km (0.101 R)
• M13: 10,948,320 km (0.103 R)
• M14: 11,301,072 km (0.111 R)
• M15: 11,923,399 km (0.088 R)
• M16: 12,296,945 km (0.096 R)
• M17: 15,321,216 km (0.057 R)
• M18: 16,083,865 km (0.115 R)
• M19: 17,005,239 km (0.05 R)
• M20: 17,961,468 km (0.057 R)
• M21: 18,382,138 km (0.077 R)
• M22: 24,040,677 km (0.107 R)
• M23: 26,488,248 km (0.106 R)
• M24: 28,052,742 km (0.069 R)
• M25: 31,062,651 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.6

Radius: 13.7

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.95 AU - 5.25 AU

Year: 7556 Days

Day: 13.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,427,439 km

• M1: 171,290 km (0.111 R)
• M2: 751,281 km (0.102 R)
• M3: 1,375,702 km (0.06 R)
• M4: 2,114,416 km (0.098 R)
• M5: 2,673,015 km (0.119 R)
• M6: 3,194,214 km (0.061 R)
• M7: 4,557,050 km (0.111 R)
• M8: 5,466,157 km (0.115 R)
• M9: 6,033,133 km (0.109 R)
• M10: 6,787,555 km (0.071 R)
• M11: 7,324,910 km (0.081 R)
• M12: 9,621,836 km (0.117 R)
• M13: 10,301,309 km (0.06 R)
• M14: 14,067,286 km (0.047 R)
• M15: 16,666,848 km (0.1 R)
• M16: 17,363,825 km (0.086 R)
• M17: 19,115,915 km (0.107 R)
• M18: 19,648,484 km (0.111 R)
• M19: 21,305,878 km (0.05 R)
• M20: 23,571,688 km (0.111 R)
• M21: 24,272,703 km (0.072 R)
• M22: 28,974,265 km (0.076 R)
• M23: 32,821,623 km (0.077 R)
• M24: 33,475,964 km (0.118 R)
• M25: 35,835,422 km (0.106 R)
• M26: 41,261,038 km (0.107 R)
• M27: 41,895,781 km (0.1 R)
• M28: 44,367,437 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.5

Radius: 5.4

Gravity: 26.18 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.99 AU - 8.95 AU

Year: 14760 Days

Day: 15.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,427,439 km

• M1: 67,469 km (0.092 R)
• M2: 377,884 km (0.108 R)
• M3: 582,085 km (0.089 R)
• M4: 800,199 km (0.115 R)
• M5: 2,040,665 km (0.111 R)
• M6: 3,069,898 km (0.046 R)
• M7: 5,292,025 km (0.107 R)
• M8: 5,662,579 km (0.117 R)
• M9: 8,705,399 km (0.062 R)
• M10: 9,274,320 km (0.052 R)
• M11: 13,556,110 km (0.11 R)
• M12: 14,819,913 km (0.117 R)
• M13: 15,331,987 km (0.11 R)
• M14: 17,660,627 km (0.059 R)
• M15: 19,860,913 km (0.112 R)
• M16: 21,860,138 km (0.072 R)
• M17: 22,142,729 km (0.099 R)
• M18: 23,790,400 km (0.061 R)
• M19: 24,089,446 km (0.103 R)
• M20: 25,726,795 km (0.117 R)
• M21: 27,876,067 km (0.063 R)
• M22: 30,492,085 km (0.09 R)
• M23: 32,405,592 km (0.114 R)
• M24: 34,397,637 km (0.118 R)
• M25: 40,435,407 km (0.084 R)
• M26: 43,183,520 km (0.1 R)
• M27: 45,439,156 km (0.061 R)
• M28: 50,020,442 km (0.108 R)
• M29: 56,653,910 km (0.075 R)
• M30: 58,263,733 km (0.115 R)
• M31: 59,720,068 km (0.093 R)
• M32: 64,234,483 km (0.054 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 13,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit