🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.7

Radius: 14.8

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.8 AU - 0.86 AU

Year: 522 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,872,428 km

• M1: 184,155 km (0.089 R)
• M2: 650,601 km (0.114 R)
• M3: 1,127,070 km (0.103 R)
• M4: 1,766,152 km (0.083 R)
• M5: 2,736,145 km (0.092 R)
• M6: 3,247,321 km (0.104 R)
• M7: 3,875,931 km (0.108 R)
• M8: 4,465,945 km (0.095 R)
• M9: 5,148,112 km (0.082 R)
• M10: 5,971,049 km (0.113 R)
• M11: 6,452,605 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.3

Radius: 9.3

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.35 AU - 1.59 AU

Year: 1230 Days

Day: 14.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,872,428 km

• M1: 116,238 km (0.084 R)
• M2: 438,172 km (0.077 R)
• M3: 757,564 km (0.062 R)
• M4: 1,104,780 km (0.099 R)
• M5: 1,625,979 km (0.096 R)
• M6: 2,769,954 km (0.092 R)
• M7: 3,844,067 km (0.12 R)
• M8: 4,196,819 km (0.089 R)
• M9: 5,098,894 km (0.11 R)
• M10: 5,565,789 km (0.102 R)
• M11: 6,254,089 km (0.034 R)
• M12: 6,789,499 km (0.065 R)
• M13: 8,080,379 km (0.027 R)
• M14: 8,634,639 km (0.112 R)
• M15: 9,819,155 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723

Radius: 9.6

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.7 AU - 2.66 AU

Year: 2222 Days

Day: 5.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,872,428 km

• M1: 119,379 km (0.073 R)
• M2: 566,677 km (0.08 R)
• M3: 984,055 km (0.115 R)
• M4: 1,513,631 km (0.071 R)
• M5: 1,850,376 km (0.067 R)
• M6: 2,173,358 km (0.101 R)
• M7: 2,648,780 km (0.038 R)
• M8: 3,865,310 km (0.066 R)
• M9: 4,316,647 km (0.114 R)
• M10: 5,588,528 km (0.091 R)
• M11: 6,297,771 km (0.098 R)
• M12: 6,896,163 km (0.056 R)
• M13: 9,996,279 km (0.059 R)
• M14: 10,509,699 km (0.047 R)
• M15: 10,925,132 km (0.047 R)
• M16: 12,238,003 km (0.108 R)
• M17: 13,476,075 km (0.106 R)
• M18: 14,193,846 km (0.109 R)
• M19: 14,608,681 km (0.073 R)
• M20: 17,584,332 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.4

Radius: 14.4

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.04 AU - 2.36 AU

Year: 2252 Days

Day: 8 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,872,428 km

• M1: 179,069 km (0.09 R)
• M2: 751,430 km (0.101 R)
• M3: 2,542,865 km (0.101 R)
• M4: 2,995,997 km (0.108 R)
• M5: 3,973,469 km (0.096 R)
• M6: 5,020,056 km (0.035 R)
• M7: 5,572,820 km (0.112 R)
• M8: 6,373,168 km (0.029 R)
• M9: 6,966,922 km (0.07 R)
• M10: 7,421,850 km (0.068 R)
• M11: 7,896,673 km (0.082 R)
• M12: 8,486,837 km (0.103 R)
• M13: 8,973,479 km (0.1 R)
• M14: 9,756,025 km (0.072 R)
• M15: 10,769,700 km (0.091 R)
• M16: 11,418,656 km (0.11 R)
• M17: 12,837,292 km (0.035 R)
• M18: 13,523,648 km (0.079 R)
• M19: 14,054,421 km (0.117 R)
• M20: 15,827,754 km (0.078 R)
• M21: 17,433,238 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.4

Radius: 12.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.16 AU - 2.48 AU

Year: 2439 Days

Day: 8.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,872,428 km

• M1: 160,668 km (0.115 R)
• M2: 709,842 km (0.038 R)
• M3: 2,096,614 km (0.111 R)
• M4: 2,503,072 km (0.114 R)
• M5: 3,010,059 km (0.101 R)
• M6: 3,639,716 km (0.106 R)
• M7: 4,153,286 km (0.113 R)
• M8: 6,385,136 km (0.062 R)
• M9: 7,851,943 km (0.087 R)
• M10: 9,185,608 km (0.079 R)
• M11: 10,589,584 km (0.093 R)
• M12: 11,323,212 km (0.107 R)
• M13: 12,381,917 km (0.112 R)
• M14: 15,560,273 km (0.051 R)
• M15: 16,356,732 km (0.064 R)
• M16: 17,127,909 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.7

Radius: 8.5

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.12 AU - 3.42 AU

Year: 3182 Days

Day: 10.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,872,428 km

• M1: 105,915 km (0.118 R)
• M2: 435,629 km (0.092 R)
• M3: 994,826 km (0.092 R)
• M4: 1,425,369 km (0.113 R)
• M5: 1,886,280 km (0.115 R)
• M6: 2,294,682 km (0.063 R)
• M7: 3,124,352 km (0.088 R)
• M8: 3,403,202 km (0.104 R)
• M9: 4,501,550 km (0.104 R)
• M10: 5,208,549 km (0.09 R)
• M11: 5,931,406 km (0.12 R)
• M12: 7,218,546 km (0.101 R)
• M13: 7,675,119 km (0.092 R)
• M14: 8,116,283 km (0.083 R)
• M15: 8,754,916 km (0.083 R)
• M16: 9,465,057 km (0.045 R)
• M17: 10,212,897 km (0.051 R)
• M18: 11,042,118 km (0.076 R)
• M19: 11,692,869 km (0.099 R)
• M20: 12,323,125 km (0.047 R)
• M21: 12,600,030 km (0.112 R)
• M22: 13,997,873 km (0.057 R)
• M23: 14,502,915 km (0.073 R)
• M24: 14,915,805 km (0.071 R)
• M25: 16,702,004 km (0.11 R)
• M26: 17,910,306 km (0.085 R)
• M27: 23,399,800 km (0.073 R)
• M28: 23,967,823 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.9

Radius: 11.7

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.55 AU - 4.11 AU

Year: 5174 Days

Day: 9.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,872,428 km

• M1: 156,779 km (0.069 R)
• M2: 680,371 km (0.093 R)
• M3: 1,351,318 km (0.088 R)
• M4: 2,513,394 km (0.079 R)
• M5: 5,980,474 km (0.083 R)
• M6: 9,878,546 km (0.12 R)
• M7: 10,317,017 km (0.087 R)
• M8: 13,173,588 km (0.091 R)
• M9: 13,813,269 km (0.087 R)
• M10: 14,925,529 km (0.047 R)
• M11: 22,357,252 km (0.098 R)
• M12: 24,600,023 km (0.075 R)
• M13: 25,817,002 km (0.05 R)
• M14: 26,734,785 km (0.061 R)
• M15: 29,981,807 km (0.062 R)
• M16: 30,717,080 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.3

Radius: 6.4

Gravity: 15.1 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.82 AU - 6.44 AU

Year: 9221 Days

Day: 24.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,872,428 km

• M1: 80,334 km (0.107 R)
• M2: 655,388 km (0.057 R)
• M3: 913,445 km (0.117 R)
• M4: 1,322,445 km (0.036 R)
• M5: 1,847,235 km (0.074 R)
• M6: 2,560,068 km (0.096 R)
• M7: 2,841,312 km (0.071 R)
• M8: 3,098,770 km (0.068 R)
• M9: 3,348,300 km (0.026 R)
• M10: 3,710,326 km (0.044 R)
• M11: 4,044,827 km (0.111 R)
• M12: 4,598,639 km (0.107 R)
• M13: 5,856,308 km (0.107 R)
• M14: 7,731,368 km (0.107 R)
• M15: 7,938,561 km (0.115 R)
• M16: 8,149,494 km (0.115 R)
• M17: 10,368,928 km (0.106 R)
• M18: 13,020,101 km (0.047 R)
• M19: 13,611,910 km (0.095 R)
• M20: 14,221,372 km (0.083 R)
• M21: 14,658,647 km (0.118 R)
• M22: 16,361,968 km (0.048 R)
• M23: 25,950,743 km (0.083 R)
• M24: 26,603,737 km (0.065 R)
• M25: 28,431,225 km (0.111 R)
• M26: 34,637,442 km (0.101 R)
• M27: 38,473,880 km (0.078 R)
• M28: 39,444,770 km (0.114 R)
• M29: 41,435,469 km (0.081 R)
• M30: 41,688,887 km (0.111 R)
• M31: 43,231,541 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502.7

Radius: 4.2

Gravity: 28.5 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.8 AU - 8.46 AU

Year: 13142 Days

Day: 23 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,872,428 km

• M1: 52,210 km (0.051 R)
• M2: 191,336 km (0.107 R)
• M3: 364,570 km (0.064 R)
• M4: 560,094 km (0.102 R)
• M5: 861,983 km (0.103 R)
• M6: 1,214,286 km (0.086 R)
• M7: 1,687,464 km (0.043 R)
• M8: 1,914,554 km (0.111 R)
• M9: 2,088,985 km (0.075 R)
• M10: 2,236,189 km (0.085 R)
• M11: 2,390,275 km (0.077 R)
• M12: 3,836,886 km (0.12 R)
• M13: 4,143,562 km (0.115 R)
• M14: 4,618,685 km (0.085 R)
• M15: 5,747,401 km (0.099 R)
• M16: 7,422,897 km (0.111 R)
• M17: 7,593,738 km (0.119 R)
• M18: 7,943,049 km (0.102 R)
• M19: 9,750,340 km (0.067 R)
• M20: 10,006,901 km (0.12 R)
• M21: 13,258,111 km (0.102 R)
• M22: 16,781,291 km (0.03 R)
• M23: 17,750,535 km (0.097 R)
• M24: 25,023,834 km (0.066 R)
• M25: 26,484,807 km (0.118 R)
• M26: 29,255,958 km (0.107 R)
• M27: 30,221,014 km (0.095 R)
• M28: 32,101,459 km (0.069 R)
• M29: 34,058,498 km (0.115 R)
• M30: 39,489,948 km (0.093 R)
• M31: 42,546,083 km (0.113 R)
• M32: 45,045,116 km (0.077 R)
• M33: 48,675,856 km (0.104 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: 459 - 17,897 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit