🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.9

Radius: 11

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.61 AU - 0.87 AU

Year: 424 Days

Day: 9.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,173,952 km

• M1: 137,630 km (0.06 R)
• M2: 591,660 km (0.085 R)
• M3: 1,166,863 km (0.095 R)
• M4: 1,634,058 km (0.114 R)
• M5: 2,638,458 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.9

Radius: 9.7

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.11 AU - 1.75 AU

Year: 1140 Days

Day: 13.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,173,952 km

• M1: 121,773 km (0.051 R)
• M2: 440,267 km (0.101 R)
• M3: 993,928 km (0.092 R)
• M4: 1,451,399 km (0.108 R)
• M5: 1,792,332 km (0.104 R)
• M6: 2,729,413 km (0.033 R)
• M7: 3,344,410 km (0.091 R)
• M8: 3,947,289 km (0.067 R)
• M9: 4,293,010 km (0.11 R)
• M10: 5,453,291 km (0.107 R)
• M11: 6,405,182 km (0.085 R)
• M12: 6,786,507 km (0.082 R)
• M13: 8,437,470 km (0.106 R)
• M14: 8,896,286 km (0.118 R)
• M15: 9,432,146 km (0.111 R)
• M16: 10,084,542 km (0.115 R)
• M17: 10,470,505 km (0.079 R)
• M18: 10,799,769 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.2

Radius: 14.8

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.39 AU - 1.69 AU

Year: 1274 Days

Day: 9.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,173,952 km

• M1: 194,776 km (0.053 R)
• M2: 902,674 km (0.094 R)
• M3: 1,374,505 km (0.115 R)
• M4: 1,894,208 km (0.077 R)
• M5: 2,509,205 km (0.063 R)
• M6: 3,168,184 km (0.043 R)
• M7: 3,757,300 km (0.1 R)
• M8: 4,419,121 km (0.11 R)
• M9: 4,935,982 km (0.114 R)
• M10: 5,843,293 km (0.1 R)
• M11: 6,325,447 km (0.117 R)
• M12: 7,086,152 km (0.063 R)
• M13: 8,101,173 km (0.072 R)
• M14: 8,761,498 km (0.049 R)
• M15: 9,333,710 km (0.063 R)
• M16: 9,803,148 km (0.061 R)
• M17: 11,625,550 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.9

Radius: 14.4

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.18 AU - 2.58 AU

Year: 2448 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,173,952 km

• M1: 179,069 km (0.088 R)
• M2: 697,276 km (0.114 R)
• M3: 1,187,508 km (0.091 R)
• M4: 2,268,801 km (0.093 R)
• M5: 3,034,443 km (0.09 R)
• M6: 3,898,521 km (0.117 R)
• M7: 4,549,271 km (0.087 R)
• M8: 5,084,233 km (0.081 R)
• M9: 6,234,192 km (0.104 R)
• M10: 6,820,466 km (0.094 R)
• M11: 8,596,043 km (0.081 R)
• M12: 9,230,787 km (0.058 R)
• M13: 10,869,033 km (0.111 R)
• M14: 13,478,170 km (0.09 R)

Asteroid Belt

Center: 2.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.7

Radius: 14.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.95 AU - 4.23 AU

Year: 4536 Days

Day: 13.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,173,952 km

• M1: 184,005 km (0.096 R)
• M2: 887,714 km (0.067 R)
• M3: 1,608,177 km (0.087 R)
• M4: 2,976,848 km (0.112 R)
• M5: 3,624,008 km (0.027 R)
• M6: 5,073,313 km (0.083 R)
• M7: 6,599,360 km (0.082 R)
• M8: 9,397,888 km (0.11 R)
• M9: 10,081,700 km (0.091 R)
• M10: 11,960,799 km (0.096 R)
• M11: 13,056,902 km (0.027 R)
• M12: 16,575,594 km (0.062 R)
• M13: 19,181,888 km (0.05 R)
• M14: 19,890,234 km (0.119 R)
• M15: 25,966,899 km (0.067 R)
• M16: 26,437,534 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.1

Radius: 8.1

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.32 AU - 5.44 AU

Year: 6113 Days

Day: 14 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,173,952 km

• M1: 100,679 km (0.098 R)
• M2: 520,301 km (0.032 R)
• M3: 1,124,527 km (0.069 R)
• M4: 1,662,332 km (0.1 R)
• M5: 2,731,956 km (0.073 R)
• M6: 3,413,524 km (0.076 R)
• M7: 4,080,432 km (0.11 R)
• M8: 5,110,562 km (0.07 R)
• M9: 10,755,189 km (0.035 R)
• M10: 13,614,753 km (0.114 R)
• M11: 14,982,227 km (0.06 R)
• M12: 17,855,254 km (0.119 R)
• M13: 21,824,235 km (0.117 R)
• M14: 23,136,657 km (0.113 R)
• M15: 24,013,301 km (0.076 R)
• M16: 24,337,629 km (0.075 R)
• M17: 25,411,592 km (0.049 R)
• M18: 25,917,682 km (0.057 R)
• M19: 28,640,961 km (0.037 R)
• M20: 30,495,676 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.7

Radius: 6.3

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.87 AU - 6.89 AU

Year: 10746 Days

Day: 19.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,173,952 km

• M1: 78,688 km (0.111 R)
• M2: 303,085 km (0.118 R)
• M3: 503,696 km (0.108 R)
• M4: 708,795 km (0.104 R)
• M5: 1,955,095 km (0.063 R)
• M6: 2,294,532 km (0.077 R)
• M7: 2,753,199 km (0.103 R)
• M8: 2,961,439 km (0.048 R)
• M9: 3,386,597 km (0.116 R)
• M10: 3,626,252 km (0.074 R)
• M11: 5,342,290 km (0.088 R)
• M12: 7,065,358 km (0.032 R)
• M13: 8,901,672 km (0.055 R)
• M14: 9,499,914 km (0.064 R)
• M15: 10,725,120 km (0.042 R)
• M16: 11,562,569 km (0.114 R)
• M17: 15,611,884 km (0.068 R)
• M18: 23,314,529 km (0.031 R)
• M19: 23,573,034 km (0.099 R)
• M20: 29,053,851 km (0.061 R)
• M21: 30,059,897 km (0.073 R)
• M22: 30,674,445 km (0.058 R)
• M23: 31,506,957 km (0.119 R)
• M24: 32,676,214 km (0.076 R)
• M25: 34,205,703 km (0.061 R)
• M26: 35,554,178 km (0.089 R)
• M27: 36,820,973 km (0.095 R)
• M28: 37,761,046 km (0.095 R)
• M29: 40,677,157 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.8

Radius: 5.7

Gravity: 14.49 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.68 AU - 7.78 AU

Year: 14332 Days

Day: 16.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,173,952 km

• M1: 72,555 km (0.068 R)
• M2: 368,609 km (0.064 R)
• M3: 1,047,783 km (0.053 R)
• M4: 1,275,172 km (0.107 R)
• M5: 2,334,026 km (0.059 R)
• M6: 2,994,351 km (0.086 R)
• M7: 3,380,463 km (0.11 R)
• M8: 3,585,562 km (0.087 R)
• M9: 4,193,228 km (0.107 R)
• M10: 4,614,197 km (0.104 R)
• M11: 6,945,829 km (0.044 R)
• M12: 7,448,628 km (0.116 R)
• M13: 11,497,045 km (0.104 R)
• M14: 11,786,517 km (0.115 R)
• M15: 13,370,908 km (0.098 R)
• M16: 15,934,268 km (0.108 R)
• M17: 19,864,802 km (0.11 R)
• M18: 20,704,645 km (0.1 R)
• M19: 21,480,459 km (0.109 R)
• M20: 26,246,647 km (0.067 R)
• M21: 26,951,403 km (0.095 R)
• M22: 35,432,555 km (0.102 R)
• M23: 38,183,510 km (0.085 R)
• M24: 38,957,829 km (0.118 R)
• M25: 47,285,045 km (0.104 R)
• M26: 51,703,717 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.6

Radius: 3.4

Gravity: 70.55 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.52 AU - 9.64 AU

Year: 15316 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,173,952 km

• M1: 44,730 km (0.076 R)
• M2: 170,841 km (0.075 R)
• M3: 542,442 km (0.092 R)
• M4: 722,109 km (0.095 R)
• M5: 895,642 km (0.099 R)
• M6: 1,297,762 km (0.091 R)
• M7: 1,863,690 km (0.037 R)
• M8: 2,130,872 km (0.049 R)
• M9: 2,252,794 km (0.089 R)
• M10: 2,488,710 km (0.059 R)
• M11: 3,431,775 km (0.06 R)
• M12: 3,628,347 km (0.076 R)
• M13: 4,044,079 km (0.108 R)
• M14: 4,794,612 km (0.084 R)
• M15: 5,987,056 km (0.056 R)
• M16: 6,438,842 km (0.031 R)
• M17: 6,913,067 km (0.074 R)
• M18: 8,475,019 km (0.085 R)
• M19: 9,804,196 km (0.079 R)
• M20: 11,023,119 km (0.087 R)
• M21: 14,686,921 km (0.113 R)
• M22: 15,279,478 km (0.106 R)
• M23: 15,810,999 km (0.093 R)
• M24: 16,512,314 km (0.055 R)
• M25: 16,750,623 km (0.109 R)
• M26: 20,974,818 km (0.053 R)
• M27: 28,049,601 km (0.079 R)
• M28: 33,683,756 km (0.073 R)
• M29: 33,938,820 km (0.112 R)
• M30: 35,103,140 km (0.067 R)
• M31: 41,325,963 km (0.105 R)
• M32: 43,402,082 km (0.118 R)
• M33: 45,081,318 km (0.071 R)
• M34: 50,711,733 km (0.055 R)
• M35: 54,832,108 km (0.113 R)
• M36: 65,698,448 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.7

Radius: 3.6

Gravity: 55.69 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.79 AU - 11.95 AU

Year: 22269 Days

Day: 18.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,173,952 km

• M1: 44,730 km (0.074 R)
• M2: 354,397 km (0.087 R)
• M3: 740,210 km (0.055 R)
• M4: 859,440 km (0.099 R)
• M5: 1,359,246 km (0.098 R)
• M6: 2,200,734 km (0.061 R)
• M7: 2,667,928 km (0.101 R)
• M8: 3,142,154 km (0.117 R)
• M9: 4,825,728 km (0.1 R)
• M10: 5,943,374 km (0.041 R)
• M11: 6,471,454 km (0.12 R)
• M12: 7,569,503 km (0.064 R)
• M13: 8,083,521 km (0.081 R)
• M14: 9,765,151 km (0.026 R)
• M15: 12,350,800 km (0.119 R)
• M16: 15,520,929 km (0.086 R)
• M17: 20,339,925 km (0.073 R)
• M18: 26,764,106 km (0.095 R)
• M19: 29,422,012 km (0.089 R)
• M20: 29,797,652 km (0.085 R)
• M21: 35,396,203 km (0.116 R)
• M22: 36,392,674 km (0.109 R)
• M23: 36,825,311 km (0.11 R)
• M24: 39,040,407 km (0.105 R)
• M25: 48,615,269 km (0.081 R)
• M26: 48,789,700 km (0.116 R)
• M27: 53,104,252 km (0.106 R)
• M28: 54,785,583 km (0.071 R)
• M29: 55,163,916 km (0.046 R)
• M30: 57,082,060 km (0.078 R)
• M31: 57,471,014 km (0.116 R)
• M32: 60,848,186 km (0.077 R)
• M33: 66,265,274 km (0.076 R)
• M34: 71,768,681 km (0.104 R)
• M35: 75,914,487 km (0.094 R)
• M36: 76,856,953 km (0.105 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 12,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit