🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.4

Radius: 11.5

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.27 AU - 1.89 AU

Year: 1347 Days

Day: 6.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 120.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,301,792 km

• M1: 143,913 km (0.065 R)
• M2: 553,662 km (0.099 R)
• M3: 1,004,998 km (0.106 R)
• M4: 1,496,876 km (0.081 R)
• M5: 2,130,722 km (0.108 R)
• M6: 3,094,731 km (0.027 R)
• M7: 3,897,922 km (0.092 R)
• M8: 4,410,594 km (0.106 R)
• M9: 4,864,324 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.1

Radius: 13

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.68 AU - 1.88 AU

Year: 1611 Days

Day: 15 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,301,792 km

• M1: 162,014 km (0.064 R)
• M2: 650,751 km (0.097 R)
• M3: 1,118,693 km (0.026 R)
• M4: 1,666,071 km (0.026 R)
• M5: 2,573,682 km (0.059 R)
• M6: 3,271,406 km (0.075 R)
• M7: 4,179,615 km (0.101 R)
• M8: 4,655,486 km (0.119 R)
• M9: 5,629,966 km (0.078 R)
• M10: 6,662,790 km (0.114 R)
• M11: 7,818,134 km (0.058 R)
• M12: 9,623,182 km (0.076 R)
• M13: 10,098,903 km (0.11 R)
• M14: 10,590,183 km (0.081 R)
• M15: 11,063,062 km (0.07 R)
• M16: 12,197,313 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.3

Radius: 10.7

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.72 AU - 2.74 AU

Year: 2259 Days

Day: 13.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,301,792 km

• M1: 134,189 km (0.086 R)
• M2: 487,839 km (0.103 R)
• M3: 927,956 km (0.052 R)
• M4: 1,512,434 km (0.036 R)
• M5: 2,001,171 km (0.028 R)
• M6: 2,622,451 km (0.104 R)
• M7: 3,561,776 km (0.116 R)
• M8: 4,518,604 km (0.109 R)
• M9: 5,939,634 km (0.084 R)
• M10: 9,818,407 km (0.113 R)
• M11: 11,325,307 km (0.072 R)
• M12: 12,010,315 km (0.066 R)
• M13: 12,980,757 km (0.071 R)
• M14: 14,094,214 km (0.083 R)
• M15: 14,697,692 km (0.104 R)
• M16: 15,125,691 km (0.107 R)
• M17: 18,357,604 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357

Radius: 9.7

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.98 AU - 2.68 AU

Year: 2412 Days

Day: 8.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,301,792 km

• M1: 121,025 km (0.114 R)
• M2: 460,313 km (0.06 R)
• M3: 865,573 km (0.115 R)
• M4: 1,266,944 km (0.104 R)
• M5: 1,582,745 km (0.1 R)
• M6: 2,229,607 km (0.104 R)
• M7: 2,682,888 km (0.087 R)
• M8: 3,043,569 km (0.073 R)
• M9: 3,935,022 km (0.117 R)
• M10: 5,495,029 km (0.081 R)
• M11: 7,129,835 km (0.117 R)
• M12: 7,458,800 km (0.066 R)
• M13: 8,690,888 km (0.103 R)
• M14: 10,893,567 km (0.094 R)
• M15: 11,441,844 km (0.118 R)
• M16: 12,833,104 km (0.087 R)
• M17: 13,778,861 km (0.072 R)
• M18: 14,161,383 km (0.1 R)
• M19: 14,947,819 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.8

Radius: 8.7

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.31 AU - 3.15 AU

Year: 3059 Days

Day: 6.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,301,792 km

• M1: 108,159 km (0.068 R)
• M2: 417,378 km (0.067 R)
• M3: 992,582 km (0.12 R)
• M4: 1,611,019 km (0.118 R)
• M5: 2,343,750 km (0.105 R)
• M6: 2,885,743 km (0.068 R)
• M7: 3,366,251 km (0.119 R)
• M8: 4,731,481 km (0.104 R)
• M9: 5,323,440 km (0.099 R)
• M10: 5,637,446 km (0.102 R)
• M11: 6,216,839 km (0.101 R)
• M12: 6,767,060 km (0.09 R)
• M13: 8,041,185 km (0.119 R)
• M14: 8,614,294 km (0.12 R)
• M15: 9,354,804 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 8.8

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.22 AU - 3.46 AU

Year: 3246 Days

Day: 14.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,301,792 km

• M1: 109,506 km (0.096 R)
• M2: 396,285 km (0.065 R)
• M3: 890,257 km (0.04 R)
• M4: 1,365,978 km (0.109 R)
• M5: 1,771,837 km (0.107 R)
• M6: 2,268,801 km (0.092 R)
• M7: 3,640,315 km (0.115 R)
• M8: 3,913,929 km (0.119 R)
• M9: 4,294,207 km (0.071 R)
• M10: 5,171,150 km (0.063 R)
• M11: 5,518,067 km (0.082 R)
• M12: 6,020,566 km (0.057 R)
• M13: 6,578,267 km (0.1 R)
• M14: 6,856,818 km (0.099 R)
• M15: 8,224,442 km (0.094 R)
• M16: 9,929,559 km (0.088 R)
• M17: 11,201,440 km (0.075 R)
• M18: 12,773,115 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.8

Radius: 10.3

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.82 AU - 4.4 AU

Year: 4652 Days

Day: 8.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,301,792 km

• M1: 128,205 km (0.064 R)
• M2: 495,917 km (0.074 R)
• M3: 1,122,134 km (0.069 R)
• M4: 1,475,185 km (0.09 R)
• M5: 1,835,117 km (0.062 R)
• M6: 2,223,324 km (0.054 R)
• M7: 2,648,780 km (0.037 R)
• M8: 3,247,022 km (0.1 R)
• M9: 3,600,222 km (0.12 R)
• M10: 4,534,162 km (0.109 R)
• M11: 5,363,383 km (0.114 R)
• M12: 5,889,369 km (0.095 R)
• M13: 7,286,314 km (0.102 R)
• M14: 11,042,417 km (0.057 R)
• M15: 14,054,421 km (0.088 R)
• M16: 16,645,157 km (0.086 R)
• M17: 17,261,350 km (0.11 R)
• M18: 17,828,925 km (0.08 R)
• M19: 18,474,140 km (0.08 R)
• M20: 18,934,902 km (0.093 R)
• M21: 20,017,093 km (0.084 R)
• M22: 23,053,481 km (0.064 R)
• M23: 25,889,856 km (0.099 R)
• M24: 27,819,070 km (0.098 R)
• M25: 30,568,530 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.5

Radius: 15

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.34 AU - 4.28 AU

Year: 5044 Days

Day: 11.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,301,792 km

• M1: 187,745 km (0.097 R)
• M2: 1,129,015 km (0.118 R)
• M3: 1,745,508 km (0.096 R)
• M4: 2,254,290 km (0.116 R)
• M5: 4,510,825 km (0.093 R)
• M6: 5,147,513 km (0.06 R)
• M7: 5,677,688 km (0.106 R)
• M8: 7,262,229 km (0.085 R)
• M9: 8,140,219 km (0.097 R)
• M10: 11,159,552 km (0.049 R)
• M11: 14,754,838 km (0.108 R)
• M12: 15,996,650 km (0.095 R)
• M13: 16,728,931 km (0.094 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.7

Radius: 11

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.42 AU - 6.08 AU

Year: 8159 Days

Day: 5 Hours

Environment

Temp: -216 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,301,792 km

• M1: 136,882 km (0.118 R)
• M2: 578,794 km (0.118 R)
• M3: 1,090,868 km (0.119 R)
• M4: 1,865,037 km (0.109 R)
• M5: 2,300,815 km (0.073 R)
• M6: 2,742,727 km (0.035 R)
• M7: 4,114,839 km (0.075 R)
• M8: 4,681,067 km (0.059 R)
• M9: 5,728,551 km (0.091 R)
• M10: 8,023,383 km (0.048 R)
• M11: 8,908,703 km (0.076 R)
• M12: 9,327,876 km (0.114 R)
• M13: 11,624,652 km (0.119 R)
• M14: 12,295,898 km (0.089 R)
• M15: 14,980,132 km (0.056 R)
• M16: 16,458,907 km (0.04 R)
• M17: 17,885,622 km (0.094 R)
• M18: 20,578,384 km (0.08 R)
• M19: 20,983,944 km (0.109 R)
• M20: 23,354,771 km (0.11 R)
• M21: 25,804,735 km (0.077 R)
• M22: 28,521,582 km (0.086 R)
• M23: 30,997,427 km (0.084 R)
• M24: 32,945,939 km (0.109 R)
• M25: 35,785,905 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.4

Radius: 6.7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.38 AU - 9.16 AU

Year: 14690 Days

Day: 16.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,301,792 km

• M1: 85,121 km (0.06 R)
• M2: 657,782 km (0.117 R)
• M3: 901,178 km (0.097 R)
• M4: 1,365,230 km (0.066 R)
• M5: 2,797,331 km (0.076 R)
• M6: 3,644,803 km (0.112 R)
• M7: 5,478,124 km (0.066 R)
• M8: 5,895,203 km (0.08 R)
• M9: 9,388,912 km (0.066 R)
• M10: 10,294,278 km (0.081 R)
• M11: 11,638,714 km (0.043 R)
• M12: 12,580,583 km (0.036 R)
• M13: 13,787,538 km (0.109 R)
• M14: 20,009,314 km (0.042 R)
• M15: 26,764,854 km (0.043 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 16,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit