🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.5

Radius: 10.6

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.51 AU - 0.83 AU

Year: 372 Days

Day: 11.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 168.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,003,108 km

• M1: 132,245 km (0.079 R)
• M2: 481,256 km (0.12 R)
• M3: 877,990 km (0.09 R)
• M4: 1,308,383 km (0.109 R)
• M5: 1,806,095 km (0.113 R)
• M6: 2,340,459 km (0.073 R)
• M7: 2,897,262 km (0.067 R)
• M8: 3,483,386 km (0.029 R)
• M9: 3,908,843 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.8

Radius: 14.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.64 AU - 0.82 AU

Year: 423 Days

Day: 6 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,003,108 km

• M1: 185,352 km (0.113 R)
• M2: 663,915 km (0.053 R)
• M3: 1,153,699 km (0.056 R)
• M4: 1,727,706 km (0.106 R)
• M5: 2,629,781 km (0.098 R)
• M6: 3,125,997 km (0.064 R)
• M7: 3,661,557 km (0.094 R)
• M8: 4,193,228 km (0.114 R)
• M9: 4,720,112 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.7

Radius: 14.3

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.03 AU - 1.15 AU

Year: 772 Days

Day: 14 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,003,108 km

• M1: 177,872 km (0.09 R)
• M2: 673,789 km (0.111 R)
• M3: 1,127,070 km (0.071 R)
• M4: 1,571,825 km (0.084 R)
• M5: 2,156,753 km (0.114 R)
• M6: 2,826,801 km (0.062 R)
• M7: 3,309,254 km (0.045 R)
• M8: 3,994,114 km (0.096 R)
• M9: 5,012,426 km (0.081 R)
• M10: 5,997,827 km (0.056 R)
• M11: 6,526,506 km (0.086 R)
• M12: 7,310,250 km (0.093 R)
• M13: 8,402,015 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.5

Radius: 13.7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.23 AU - 1.57 AU

Year: 1124 Days

Day: 14.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,003,108 km

• M1: 170,392 km (0.086 R)
• M2: 664,813 km (0.111 R)
• M3: 1,168,509 km (0.037 R)
• M4: 1,824,795 km (0.063 R)
• M5: 2,296,477 km (0.091 R)
• M6: 3,124,501 km (0.118 R)
• M7: 3,824,769 km (0.049 R)
• M8: 4,535,209 km (0.115 R)
• M9: 6,017,874 km (0.108 R)
• M10: 6,883,148 km (0.059 R)
• M11: 8,210,081 km (0.093 R)
• M12: 9,096,149 km (0.079 R)
• M13: 9,825,289 km (0.117 R)
• M14: 11,366,147 km (0.111 R)
• M15: 11,890,188 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.7

Radius: 14

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.74 AU - 2.86 AU

Year: 2366 Days

Day: 10.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,003,108 km

• M1: 174,282 km (0.106 R)
• M2: 681,867 km (0.055 R)
• M3: 1,145,471 km (0.089 R)
• M4: 2,014,485 km (0.064 R)
• M5: 3,101,613 km (0.094 R)
• M6: 3,724,688 km (0.059 R)
• M7: 5,493,533 km (0.107 R)
• M8: 6,642,145 km (0.081 R)
• M9: 7,149,731 km (0.107 R)
• M10: 12,354,690 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.6

Radius: 9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.53 AU - 2.93 AU

Year: 3059 Days

Day: 9.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,003,108 km

• M1: 111,899 km (0.103 R)
• M2: 397,332 km (0.111 R)
• M3: 862,731 km (0.098 R)
• M4: 1,207,255 km (0.047 R)
• M5: 1,742,965 km (0.111 R)
• M6: 2,326,696 km (0.11 R)
• M7: 2,609,136 km (0.072 R)
• M8: 3,187,332 km (0.11 R)
• M9: 4,280,743 km (0.099 R)
• M10: 4,856,545 km (0.091 R)
• M11: 5,143,923 km (0.108 R)
• M12: 7,410,181 km (0.119 R)
• M13: 7,766,224 km (0.066 R)
• M14: 8,818,346 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.3

Radius: 9.5

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.78 AU - 3.28 AU

Year: 3577 Days

Day: 6.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,003,108 km

• M1: 118,182 km (0.104 R)
• M2: 438,023 km (0.067 R)
• M3: 794,215 km (0.09 R)
• M4: 1,459,178 km (0.093 R)
• M5: 1,771,837 km (0.059 R)
• M6: 2,170,815 km (0.092 R)
• M7: 2,535,684 km (0.086 R)
• M8: 3,967,635 km (0.058 R)
• M9: 4,291,215 km (0.119 R)
• M10: 4,609,260 km (0.116 R)
• M11: 4,918,479 km (0.096 R)
• M12: 5,632,360 km (0.078 R)
• M13: 5,958,782 km (0.076 R)
• M14: 7,425,440 km (0.05 R)
• M15: 8,539,944 km (0.034 R)
• M16: 9,118,888 km (0.109 R)
• M17: 9,531,928 km (0.117 R)
• M18: 9,957,533 km (0.116 R)
• M19: 10,888,182 km (0.11 R)
• M20: 12,187,888 km (0.07 R)
• M21: 13,395,592 km (0.111 R)
• M22: 14,478,381 km (0.077 R)
• M23: 16,155,822 km (0.099 R)
• M24: 16,985,193 km (0.064 R)
• M25: 19,520,278 km (0.03 R)
• M26: 20,397,221 km (0.117 R)
• M27: 20,910,042 km (0.118 R)
• M28: 21,234,969 km (0.112 R)
• M29: 22,910,166 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.3

Radius: 6

Gravity: 22.93 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.73 AU - 6.61 AU

Year: 10395 Days

Day: 17.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,003,108 km

• M1: 74,649 km (0.03 R)
• M2: 384,467 km (0.099 R)
• M3: 752,926 km (0.066 R)
• M4: 1,149,660 km (0.112 R)
• M5: 1,755,232 km (0.09 R)
• M6: 2,315,476 km (0.059 R)
• M7: 2,808,700 km (0.069 R)
• M8: 3,320,175 km (0.071 R)
• M9: 3,650,338 km (0.084 R)
• M10: 4,347,015 km (0.099 R)
• M11: 5,295,615 km (0.116 R)
• M12: 6,223,421 km (0.074 R)
• M13: 7,811,552 km (0.078 R)
• M14: 8,722,603 km (0.102 R)
• M15: 9,009,233 km (0.086 R)
• M16: 10,537,824 km (0.038 R)
• M17: 10,753,993 km (0.095 R)
• M18: 15,237,291 km (0.1 R)
• M19: 16,005,775 km (0.11 R)
• M20: 17,318,497 km (0.113 R)
• M21: 22,926,622 km (0.091 R)
• M22: 24,027,812 km (0.062 R)
• M23: 29,208,535 km (0.074 R)
• M24: 48,515,786 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.9

Radius: 5.9

Gravity: 27.95 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.68 AU - 7.86 AU

Year: 13295 Days

Day: 24.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,003,108 km

• M1: 73,303 km (0.05 R)
• M2: 306,376 km (0.11 R)
• M3: 693,386 km (0.072 R)
• M4: 2,541,817 km (0.109 R)
• M5: 3,084,110 km (0.063 R)
• M6: 5,466,755 km (0.073 R)
• M7: 6,003,063 km (0.071 R)
• M8: 7,180,249 km (0.047 R)
• M9: 7,965,937 km (0.116 R)
• M10: 8,654,686 km (0.115 R)
• M11: 10,549,343 km (0.03 R)
• M12: 15,808,157 km (0.091 R)
• M13: 16,656,526 km (0.07 R)
• M14: 18,527,547 km (0.081 R)
• M15: 19,383,097 km (0.104 R)
• M16: 19,732,558 km (0.115 R)
• M17: 24,973,869 km (0.09 R)
• M18: 26,764,405 km (0.095 R)
• M19: 28,413,722 km (0.034 R)
• M20: 33,141,314 km (0.092 R)
• M21: 34,655,693 km (0.104 R)
• M22: 35,300,011 km (0.102 R)
• M23: 36,083,754 km (0.096 R)
• M24: 40,888,389 km (0.12 R)
• M25: 41,607,805 km (0.085 R)
• M26: 43,071,770 km (0.106 R)
• M27: 45,947,640 km (0.111 R)
• M28: 47,195,735 km (0.081 R)
• M29: 48,146,728 km (0.093 R)
• M30: 50,579,638 km (0.063 R)
• M31: 52,246,308 km (0.118 R)
• M32: 55,163,317 km (0.057 R)
• M33: 58,186,989 km (0.075 R)
• M34: 63,788,981 km (0.106 R)
• M35: 64,562,103 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.6

Radius: 3.9

Gravity: 27.46 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.56 AU - 12.04 AU

Year: 24073 Days

Day: 16.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,003,108 km

• M1: 48,470 km (0.11 R)
• M2: 197,918 km (0.11 R)
• M3: 325,525 km (0.101 R)
• M4: 541,095 km (0.12 R)
• M5: 783,743 km (0.095 R)
• M6: 1,032,076 km (0.114 R)
• M7: 1,599,052 km (0.112 R)
• M8: 2,037,972 km (0.096 R)
• M9: 2,180,090 km (0.102 R)
• M10: 2,742,428 km (0.068 R)
• M11: 4,613,299 km (0.111 R)
• M12: 4,752,724 km (0.111 R)
• M13: 5,609,471 km (0.052 R)
• M14: 5,768,344 km (0.114 R)
• M15: 6,564,355 km (0.079 R)
• M16: 6,696,449 km (0.097 R)
• M17: 6,875,369 km (0.11 R)
• M18: 7,289,455 km (0.096 R)
• M19: 8,016,202 km (0.096 R)
• M20: 10,665,730 km (0.079 R)
• M21: 12,929,295 km (0.036 R)
• M22: 19,173,062 km (0.101 R)
• M23: 19,353,028 km (0.117 R)
• M24: 26,715,337 km (0.11 R)
• M25: 28,196,506 km (0.036 R)
• M26: 30,703,317 km (0.108 R)
• M27: 32,200,343 km (0.047 R)
• M28: 39,833,425 km (0.101 R)
• M29: 40,420,746 km (0.074 R)
• M30: 43,753,936 km (0.045 R)
• M31: 50,104,815 km (0.092 R)
• M32: 56,857,364 km (0.086 R)
• M33: 71,914,240 km (0.106 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: 440 - 17,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit