🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.19 AU - 1.45 AU

Year: 533 Days

Day: 17.5 Hours

Environment

Temp: 8 °C

Axial Tilt: 23.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.5

Radius: 13.7

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.54 AU - 6.08 AU

Year: 4922 Days

Day: 11.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,518,487 km

• M1: 174,880 km (0.06 R)
• M2: 740,659 km (0.058 R)
• M3: 1,220,270 km (0.077 R)
• M4: 1,656,048 km (0.1 R)
• M5: 2,415,407 km (0.093 R)
• M6: 3,563,571 km (0.113 R)
• M7: 4,455,773 km (0.116 R)
• M8: 4,915,487 km (0.065 R)
• M9: 6,052,131 km (0.075 R)
• M10: 7,150,329 km (0.102 R)
• M11: 7,747,375 km (0.066 R)
• M12: 9,284,193 km (0.075 R)
• M13: 12,549,466 km (0.105 R)
• M14: 14,004,305 km (0.073 R)
• M15: 16,513,959 km (0.069 R)
• M16: 17,000,601 km (0.119 R)
• M17: 18,002,608 km (0.072 R)
• M18: 18,453,346 km (0.083 R)
• M19: 19,714,456 km (0.098 R)
• M20: 21,245,740 km (0.1 R)
• M21: 23,156,254 km (0.107 R)
• M22: 25,500,004 km (0.1 R)
• M23: 27,316,422 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.7

Radius: 15

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.59 AU - 11.07 AU

Year: 10016 Days

Day: 9.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,518,487 km

• M1: 188,194 km (0.114 R)
• M2: 1,171,052 km (0.04 R)
• M3: 4,684,957 km (0.091 R)
• M4: 5,639,092 km (0.067 R)
• M5: 9,242,755 km (0.08 R)
• M6: 11,944,044 km (0.11 R)
• M7: 12,576,843 km (0.089 R)
• M8: 14,545,999 km (0.104 R)
• M9: 16,784,582 km (0.101 R)
• M10: 17,726,600 km (0.119 R)
• M11: 19,322,510 km (0.106 R)
• M12: 21,345,073 km (0.099 R)
• M13: 25,618,635 km (0.106 R)
• M14: 29,073,299 km (0.116 R)
• M15: 30,114,799 km (0.062 R)
• M16: 32,382,703 km (0.107 R)
• M17: 35,698,989 km (0.043 R)
• M18: 40,636,167 km (0.114 R)
• M19: 47,998,776 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.8

Radius: 13.7

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 9.22 AU - 14.48 AU

Year: 14337 Days

Day: 14 Hours

Environment

Temp: -186 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,518,487 km

• M1: 170,392 km (0.103 R)
• M2: 651,798 km (0.08 R)
• M3: 1,416,692 km (0.115 R)
• M4: 2,005,659 km (0.081 R)
• M5: 3,052,993 km (0.062 R)
• M6: 5,717,481 km (0.095 R)
• M7: 6,285,654 km (0.071 R)
• M8: 8,126,605 km (0.03 R)
• M9: 8,748,184 km (0.098 R)
• M10: 9,713,689 km (0.114 R)
• M11: 12,407,049 km (0.1 R)
• M12: 13,493,728 km (0.107 R)
• M13: 15,277,084 km (0.037 R)
• M14: 18,974,545 km (0.118 R)
• M15: 20,070,499 km (0.06 R)
• M16: 20,590,352 km (0.094 R)
• M17: 22,573,870 km (0.073 R)
• M18: 25,178,668 km (0.044 R)
• M19: 26,813,623 km (0.037 R)
• M20: 30,978,727 km (0.083 R)
• M21: 31,440,835 km (0.1 R)
• M22: 35,430,909 km (0.097 R)
• M23: 36,832,641 km (0.091 R)
• M24: 45,136,520 km (0.087 R)
• M25: 48,314,727 km (0.064 R)
• M26: 52,616,713 km (0.083 R)
• M27: 53,772,356 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819

Radius: 5.1

Gravity: 31.49 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 11.91 AU - 16.75 AU

Year: 19065 Days

Day: 22.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 45,518,487 km

• M1: 65,374 km (0.085 R)
• M2: 260,001 km (0.069 R)
• M3: 519,254 km (0.057 R)
• M4: 2,090,481 km (0.037 R)
• M5: 2,553,187 km (0.072 R)
• M6: 3,081,417 km (0.065 R)
• M7: 4,593,552 km (0.09 R)
• M8: 5,065,533 km (0.118 R)
• M9: 6,321,108 km (0.052 R)
• M10: 7,921,806 km (0.075 R)
• M11: 14,386,079 km (0.11 R)
• M12: 20,360,719 km (0.102 R)
• M13: 21,626,915 km (0.105 R)
• M14: 22,944,723 km (0.085 R)
• M15: 26,871,817 km (0.07 R)
• M16: 28,155,666 km (0.097 R)
• M17: 31,351,525 km (0.085 R)
• M18: 31,607,038 km (0.091 R)
• M19: 32,904,949 km (0.118 R)
• M20: 33,168,690 km (0.115 R)
• M21: 34,508,788 km (0.081 R)
• M22: 37,439,859 km (0.115 R)
• M23: 38,016,260 km (0.076 R)
• M24: 38,306,779 km (0.076 R)
• M25: 39,930,813 km (0.112 R)
• M26: 40,532,496 km (0.109 R)
• M27: 43,632,313 km (0.06 R)
• M28: 43,950,807 km (0.11 R)
• M29: 45,729,825 km (0.066 R)
• M30: 49,950,430 km (0.069 R)
• M31: 54,792,315 km (0.055 R)
• M32: 56,473,196 km (0.059 R)
• M33: 66,863,367 km (0.087 R)
• M34: 67,498,858 km (0.115 R)
• M35: 68,781,959 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78

Radius: 4.3

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 18.04 AU - 18.48 AU

Year: 27424 Days

Day: 22.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,518,487 km

• M1: 59,091 km (0.065 R)
• M2: 511,625 km (0.064 R)
• M3: 807,380 km (0.115 R)
• M4: 948,301 km (0.097 R)
• M5: 2,174,704 km (0.115 R)
• M6: 3,118,667 km (0.029 R)
• M7: 3,543,674 km (0.091 R)
• M8: 5,634,903 km (0.087 R)
• M9: 6,783,964 km (0.116 R)
• M10: 9,062,639 km (0.04 R)
• M11: 10,784,510 km (0.118 R)
• M12: 12,083,918 km (0.075 R)
• M13: 13,065,130 km (0.098 R)
• M14: 14,286,148 km (0.028 R)
• M15: 18,253,783 km (0.051 R)
• M16: 25,029,818 km (0.113 R)
• M17: 28,172,271 km (0.114 R)
• M18: 28,370,787 km (0.106 R)
• M19: 34,427,706 km (0.078 R)

Kuiper Belt

Range: 31.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 16,466 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit