🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.9

Radius: 14.2

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.54 AU - 0.88 AU

Year: 392 Days

Day: 7.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 72,540,733 km

• M1: 176,525 km (0.056 R)
• M2: 910,303 km (0.093 R)
• M3: 1,400,685 km (0.12 R)
• M4: 2,232,599 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.7

Radius: 9.1

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.76 AU - 0.8 AU

Year: 452 Days

Day: 12.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,540,733 km

• M1: 113,246 km (0.042 R)
• M2: 410,197 km (0.111 R)
• M3: 701,165 km (0.09 R)
• M4: 1,481,468 km (0.111 R)
• M5: 1,805,796 km (0.037 R)
• M6: 2,106,188 km (0.117 R)
• M7: 2,714,154 km (0.066 R)
• M8: 3,122,856 km (0.046 R)
• M9: 3,675,171 km (0.097 R)
• M10: 3,968,233 km (0.077 R)
• M11: 4,305,726 km (0.1 R)
• M12: 4,631,849 km (0.1 R)
• M13: 5,070,919 km (0.077 R)
• M14: 5,367,572 km (0.058 R)
• M15: 5,658,539 km (0.084 R)
• M16: 6,234,790 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.8

Radius: 13.8

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.78 AU - 0.94 AU

Year: 523 Days

Day: 12.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,540,733 km

• M1: 171,589 km (0.089 R)
• M2: 818,001 km (0.046 R)
• M3: 1,542,055 km (0.094 R)
• M4: 1,991,447 km (0.036 R)
• M5: 2,976,698 km (0.101 R)
• M6: 4,241,100 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.4

Radius: 11.2

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.48 AU - 1.7 AU

Year: 1315 Days

Day: 6 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,540,733 km

• M1: 139,276 km (0.045 R)
• M2: 616,194 km (0.064 R)
• M3: 1,195,287 km (0.051 R)
• M4: 1,580,801 km (0.05 R)
• M5: 2,021,965 km (0.046 R)
• M6: 2,403,439 km (0.073 R)
• M7: 2,881,554 km (0.08 R)
• M8: 3,477,403 km (0.071 R)
• M9: 3,909,142 km (0.081 R)
• M10: 4,425,404 km (0.111 R)
• M11: 5,075,856 km (0.077 R)
• M12: 5,575,961 km (0.072 R)
• M13: 6,149,520 km (0.098 R)
• M14: 7,531,654 km (0.063 R)
• M15: 8,358,631 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.6

Radius: 11.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.04 AU - 2.8 AU

Year: 2470 Days

Day: 11.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,540,733 km

• M1: 149,299 km (0.044 R)
• M2: 539,450 km (0.099 R)
• M3: 1,045,689 km (0.083 R)
• M4: 1,500,915 km (0.101 R)
• M5: 2,052,184 km (0.062 R)
• M6: 2,932,866 km (0.103 R)
• M7: 4,431,538 km (0.116 R)
• M8: 5,479,920 km (0.047 R)
• M9: 10,903,590 km (0.092 R)
• M10: 11,928,635 km (0.096 R)
• M11: 12,930,791 km (0.075 R)
• M12: 14,631,270 km (0.097 R)
• M13: 15,342,010 km (0.109 R)
• M14: 15,877,570 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.6

Radius: 10.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.6 AU - 4.92 AU

Year: 6813 Days

Day: 5.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,540,733 km

• M1: 132,993 km (0.094 R)
• M2: 536,009 km (0.1 R)
• M3: 1,020,557 km (0.034 R)
• M4: 1,947,914 km (0.05 R)
• M5: 2,324,452 km (0.072 R)
• M6: 3,055,836 km (0.082 R)
• M7: 3,485,930 km (0.095 R)
• M8: 4,348,511 km (0.116 R)
• M9: 4,817,500 km (0.103 R)
• M10: 5,184,613 km (0.092 R)
• M11: 5,655,398 km (0.115 R)
• M12: 6,184,825 km (0.091 R)
• M13: 7,140,606 km (0.118 R)
• M14: 7,866,305 km (0.037 R)
• M15: 8,716,769 km (0.071 R)
• M16: 9,303,641 km (0.093 R)
• M17: 9,874,955 km (0.067 R)
• M18: 13,343,382 km (0.109 R)
• M19: 17,245,343 km (0.059 R)
• M20: 19,653,570 km (0.079 R)
• M21: 23,079,062 km (0.105 R)
• M22: 24,278,687 km (0.058 R)
• M23: 24,893,834 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.2

Radius: 14

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.38 AU - 6.12 AU

Year: 9045 Days

Day: 14.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,540,733 km

• M1: 174,880 km (0.099 R)
• M2: 668,254 km (0.112 R)
• M3: 1,156,840 km (0.069 R)
• M4: 1,693,298 km (0.056 R)
• M5: 2,326,396 km (0.109 R)
• M6: 3,799,636 km (0.117 R)
• M7: 4,527,879 km (0.094 R)
• M8: 5,347,825 km (0.045 R)
• M9: 6,264,560 km (0.098 R)
• M10: 7,633,979 km (0.044 R)
• M11: 8,538,149 km (0.097 R)
• M12: 9,790,881 km (0.04 R)
• M13: 11,009,805 km (0.116 R)
• M14: 11,841,719 km (0.104 R)
• M15: 12,771,021 km (0.082 R)
• M16: 14,468,059 km (0.042 R)
• M17: 15,530,353 km (0.073 R)
• M18: 17,049,370 km (0.113 R)
• M19: 21,238,858 km (0.069 R)
• M20: 22,858,555 km (0.115 R)
• M21: 27,736,044 km (0.086 R)
• M22: 32,210,965 km (0.083 R)
• M23: 33,373,789 km (0.098 R)
• M24: 35,783,511 km (0.09 R)
• M25: 40,947,032 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.6

Radius: 6.8

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.28 AU - 7.84 AU

Year: 12306 Days

Day: 23.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,540,733 km

• M1: 87,066 km (0.062 R)
• M2: 354,397 km (0.106 R)
• M3: 739,761 km (0.037 R)
• M4: 2,610,184 km (0.062 R)
• M5: 4,779,802 km (0.071 R)
• M6: 5,516,721 km (0.116 R)
• M7: 12,695,324 km (0.081 R)
• M8: 14,404,779 km (0.064 R)
• M9: 15,669,479 km (0.07 R)
• M10: 18,782,611 km (0.12 R)
• M11: 20,135,574 km (0.045 R)
• M12: 22,284,996 km (0.081 R)
• M13: 23,542,965 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.9

Radius: 6.9

Gravity: 18.29 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.19 AU - 11.77 AU

Year: 19148 Days

Day: 17.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,540,733 km

• M1: 88,263 km (0.071 R)
• M2: 419,622 km (0.093 R)
• M3: 725,699 km (0.092 R)
• M4: 1,009,038 km (0.104 R)
• M5: 1,396,496 km (0.069 R)
• M6: 2,585,799 km (0.095 R)
• M7: 3,092,936 km (0.053 R)
• M8: 3,398,864 km (0.111 R)
• M9: 4,270,122 km (0.034 R)
• M10: 5,638,942 km (0.095 R)
• M11: 6,715,149 km (0.09 R)
• M12: 8,550,117 km (0.077 R)
• M13: 10,264,957 km (0.094 R)
• M14: 12,402,711 km (0.097 R)
• M15: 13,248,687 km (0.077 R)
• M16: 13,759,563 km (0.093 R)
• M17: 14,435,596 km (0.081 R)
• M18: 15,054,931 km (0.111 R)
• M19: 16,596,687 km (0.116 R)
• M20: 17,104,721 km (0.091 R)
• M21: 22,768,946 km (0.06 R)
• M22: 26,361,538 km (0.108 R)
• M23: 28,834,391 km (0.085 R)
• M24: 30,440,324 km (0.08 R)
• M25: 39,521,513 km (0.118 R)
• M26: 39,821,756 km (0.103 R)
• M27: 41,966,391 km (0.112 R)
• M28: 42,279,051 km (0.083 R)
• M29: 46,651,647 km (0.089 R)
• M30: 50,783,391 km (0.052 R)
• M31: 64,630,020 km (0.083 R)
• M32: 71,739,659 km (0.058 R)
• M33: 71,962,859 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.4

Radius: 6.8

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.67 AU - 9.95 AU

Year: 20156 Days

Day: 22.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,540,733 km

• M1: 84,523 km (0.12 R)
• M2: 440,566 km (0.106 R)
• M3: 708,795 km (0.098 R)
• M4: 1,542,653 km (0.094 R)
• M5: 2,100,205 km (0.109 R)
• M6: 2,688,423 km (0.109 R)
• M7: 2,907,285 km (0.108 R)
• M8: 3,465,135 km (0.098 R)
• M9: 5,568,482 km (0.043 R)
• M10: 6,469,510 km (0.053 R)
• M11: 6,820,017 km (0.107 R)
• M12: 8,401,865 km (0.1 R)
• M13: 9,923,874 km (0.098 R)
• M14: 11,055,881 km (0.103 R)
• M15: 11,685,090 km (0.041 R)
• M16: 12,008,371 km (0.115 R)
• M17: 12,877,385 km (0.1 R)
• M18: 14,003,408 km (0.073 R)
• M19: 15,117,314 km (0.079 R)
• M20: 16,369,448 km (0.115 R)
• M21: 17,520,603 km (0.104 R)
• M22: 22,566,839 km (0.091 R)
• M23: 23,475,496 km (0.117 R)
• M24: 26,680,481 km (0.081 R)
• M25: 31,020,315 km (0.104 R)
• M26: 32,523,026 km (0.076 R)
• M27: 34,601,240 km (0.089 R)
• M28: 38,733,581 km (0.097 R)
• M29: 42,876,395 km (0.091 R)
• M30: 48,292,437 km (0.072 R)
• M31: 48,958,147 km (0.108 R)
• M32: 53,790,308 km (0.032 R)
• M33: 65,398,654 km (0.048 R)
• M34: 65,805,111 km (0.105 R)
• M35: 71,890,603 km (0.089 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 13,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit