🌌 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 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.59 AU - 0.69 AU

Year: 326 Days

Day: 47.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.7

Radius: 12.2

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.56 AU - 0.94 AU

Year: 413 Days

Day: 12.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,090,751 km

• M1: 153,338 km (0.12 R)
• M2: 767,736 km (0.116 R)
• M3: 1,238,072 km (0.118 R)
• M4: 1,648,419 km (0.049 R)
• M5: 2,057,719 km (0.077 R)
• M6: 2,535,684 km (0.05 R)
• M7: 3,097,723 km (0.073 R)
• M8: 3,558,634 km (0.119 R)
• M9: 4,227,935 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.4

Radius: 8.2

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.89 AU - 1.17 AU

Year: 665 Days

Day: 14.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 70.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,090,751 km

• M1: 102,026 km (0.041 R)
• M2: 361,279 km (0.116 R)
• M3: 652,546 km (0.089 R)
• M4: 921,672 km (0.065 R)
• M5: 1,242,111 km (0.102 R)
• M6: 1,736,083 km (0.115 R)
• M7: 2,086,292 km (0.07 R)
• M8: 2,443,382 km (0.088 R)
• M9: 2,808,102 km (0.118 R)
• M10: 3,184,939 km (0.041 R)
• M11: 3,530,809 km (0.114 R)
• M12: 3,998,452 km (0.087 R)
• M13: 4,298,396 km (0.108 R)
• M14: 4,911,597 km (0.118 R)
• M15: 5,289,930 km (0.091 R)
• M16: 5,722,867 km (0.11 R)
• M17: 6,368,830 km (0.117 R)
• M18: 6,679,844 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.8

Radius: 11.5

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.51 AU - 1.89 AU

Year: 1409 Days

Day: 7.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,090,751 km

• M1: 143,016 km (0.095 R)
• M2: 501,901 km (0.117 R)
• M3: 1,354,310 km (0.066 R)
• M4: 1,838,707 km (0.041 R)
• M5: 2,522,220 km (0.072 R)
• M6: 3,475,009 km (0.078 R)
• M7: 3,894,481 km (0.116 R)
• M8: 4,921,172 km (0.12 R)
• M9: 5,361,139 km (0.11 R)
• M10: 6,041,061 km (0.064 R)
• M11: 7,079,719 km (0.06 R)
• M12: 7,688,134 km (0.11 R)
• M13: 8,064,821 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 14.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.65 AU - 1.99 AU

Year: 1561 Days

Day: 5.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,090,751 km

• M1: 182,809 km (0.085 R)
• M2: 664,514 km (0.049 R)
• M3: 1,833,322 km (0.08 R)
• M4: 4,070,109 km (0.076 R)
• M5: 5,078,100 km (0.099 R)
• M6: 5,567,434 km (0.038 R)
• M7: 6,246,459 km (0.108 R)
• M8: 6,737,439 km (0.057 R)
• M9: 7,432,471 km (0.069 R)
• M10: 9,112,754 km (0.059 R)
• M11: 11,615,078 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.5

Radius: 11.1

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.88 AU - 2.98 AU

Year: 2408 Days

Day: 8.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,090,751 km

• M1: 138,228 km (0.046 R)
• M2: 535,411 km (0.099 R)
• M3: 910,752 km (0.105 R)
• M4: 1,257,669 km (0.051 R)
• M5: 1,761,216 km (0.102 R)
• M6: 2,260,873 km (0.103 R)
• M7: 2,625,742 km (0.108 R)
• M8: 3,316,884 km (0.069 R)
• M9: 4,331,307 km (0.075 R)
• M10: 5,467,353 km (0.101 R)
• M11: 5,895,802 km (0.044 R)
• M12: 7,776,546 km (0.107 R)
• M13: 9,199,222 km (0.096 R)
• M14: 10,866,490 km (0.069 R)
• M15: 11,505,273 km (0.098 R)
• M16: 12,424,253 km (0.069 R)
• M17: 14,266,551 km (0.112 R)
• M18: 15,826,108 km (0.072 R)
• M19: 17,068,070 km (0.119 R)
• M20: 17,931,549 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.8

Radius: 9.4

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.91 AU - 4.25 AU

Year: 4307 Days

Day: 8.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,090,751 km

• M1: 117,285 km (0.112 R)
• M2: 446,400 km (0.065 R)
• M3: 984,952 km (0.084 R)
• M4: 1,646,325 km (0.083 R)
• M5: 1,975,889 km (0.114 R)
• M6: 2,545,557 km (0.109 R)
• M7: 2,860,461 km (0.059 R)
• M8: 3,260,934 km (0.115 R)
• M9: 4,011,766 km (0.105 R)
• M10: 4,342,677 km (0.109 R)
• M11: 5,032,921 km (0.113 R)
• M12: 6,761,525 km (0.074 R)
• M13: 8,893,444 km (0.079 R)
• M14: 10,133,610 km (0.102 R)
• M15: 12,650,744 km (0.099 R)
• M16: 13,839,598 km (0.064 R)
• M17: 15,964,486 km (0.069 R)
• M18: 16,438,113 km (0.054 R)
• M19: 16,738,805 km (0.061 R)
• M20: 18,556,269 km (0.066 R)
• M21: 19,816,183 km (0.117 R)
• M22: 20,294,447 km (0.09 R)
• M23: 22,876,506 km (0.07 R)
• M24: 24,793,454 km (0.099 R)
• M25: 26,156,589 km (0.112 R)
• M26: 27,316,272 km (0.103 R)
• M27: 29,471,678 km (0.037 R)
• M28: 29,826,823 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.3

Radius: 11.3

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.55 AU - 5.49 AU

Year: 6110 Days

Day: 13.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,090,751 km

• M1: 140,772 km (0.111 R)
• M2: 782,846 km (0.119 R)
• M3: 1,841,101 km (0.081 R)
• M4: 2,275,683 km (0.061 R)
• M5: 2,650,725 km (0.091 R)
• M6: 3,147,689 km (0.07 R)
• M7: 3,660,959 km (0.114 R)
• M8: 6,427,024 km (0.109 R)
• M9: 7,256,544 km (0.054 R)
• M10: 8,155,926 km (0.075 R)
• M11: 8,795,756 km (0.108 R)
• M12: 9,512,031 km (0.054 R)
• M13: 15,719,595 km (0.106 R)
• M14: 17,546,933 km (0.099 R)
• M15: 22,767,150 km (0.089 R)
• M16: 23,237,336 km (0.089 R)
• M17: 23,954,957 km (0.08 R)
• M18: 24,523,280 km (0.07 R)
• M19: 25,940,720 km (0.063 R)
• M20: 28,123,652 km (0.08 R)
• M21: 29,305,924 km (0.057 R)
• M22: 30,710,797 km (0.073 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.4

Radius: 11

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.02 AU - 5.86 AU

Year: 8067 Days

Day: 7.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,090,751 km

• M1: 136,732 km (0.059 R)
• M2: 528,380 km (0.083 R)
• M3: 910,752 km (0.08 R)
• M4: 1,297,014 km (0.084 R)
• M5: 1,779,467 km (0.071 R)
• M6: 3,001,232 km (0.111 R)
• M7: 4,201,606 km (0.076 R)
• M8: 4,804,635 km (0.119 R)
• M9: 5,663,925 km (0.106 R)
• M10: 9,466,703 km (0.1 R)
• M11: 12,172,330 km (0.118 R)
• M12: 13,338,146 km (0.109 R)
• M13: 13,886,422 km (0.068 R)
• M14: 14,898,302 km (0.113 R)
• M15: 16,507,377 km (0.089 R)
• M16: 17,497,865 km (0.088 R)
• M17: 19,364,397 km (0.116 R)
• M18: 20,626,554 km (0.114 R)
• M19: 24,560,380 km (0.116 R)
• M20: 25,016,055 km (0.091 R)
• M21: 25,663,365 km (0.106 R)
• M22: 30,512,131 km (0.09 R)
• M23: 33,540,291 km (0.083 R)
• M24: 35,242,266 km (0.05 R)
• M25: 38,084,177 km (0.096 R)
• M26: 43,951,854 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.7

Radius: 6.3

Gravity: 18.84 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.12 AU - 7.64 AU

Year: 11474 Days

Day: 23.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,090,751 km

• M1: 78,389 km (0.118 R)
• M2: 523,593 km (0.108 R)
• M3: 744,100 km (0.037 R)
• M4: 942,766 km (0.101 R)
• M5: 1,368,521 km (0.071 R)
• M6: 1,932,505 km (0.089 R)
• M7: 2,335,073 km (0.074 R)
• M8: 2,577,422 km (0.039 R)
• M9: 3,535,147 km (0.112 R)
• M10: 4,402,815 km (0.099 R)
• M11: 5,033,071 km (0.119 R)
• M12: 6,164,330 km (0.086 R)
• M13: 6,669,223 km (0.115 R)
• M14: 7,455,958 km (0.108 R)
• M15: 7,716,857 km (0.052 R)
• M16: 12,703,402 km (0.025 R)
• M17: 15,048,798 km (0.066 R)
• M18: 16,323,222 km (0.046 R)
• M19: 17,287,380 km (0.084 R)
• M20: 17,976,578 km (0.099 R)
• M21: 18,288,788 km (0.056 R)
• M22: 19,738,541 km (0.108 R)
• M23: 23,694,956 km (0.115 R)
• M24: 27,013,037 km (0.082 R)
• M25: 27,732,752 km (0.054 R)
• M26: 36,138,507 km (0.09 R)
• M27: 36,511,156 km (0.11 R)
• M28: 37,137,821 km (0.112 R)
• M29: 46,533,614 km (0.117 R)
• M30: 51,539,458 km (0.097 R)
• M31: 53,445,186 km (0.052 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 16,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit