🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.1

Radius: 14.3

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.59 AU - 0.97 AU

Year: 467 Days

Day: 7.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,033,635 km

• M1: 177,872 km (0.08 R)
• M2: 676,781 km (0.104 R)
• M3: 1,135,149 km (0.094 R)
• M4: 1,920,388 km (0.047 R)
• M5: 2,372,622 km (0.097 R)
• M6: 3,273,800 km (0.108 R)
• M7: 4,435,876 km (0.086 R)
• M8: 5,018,560 km (0.052 R)
• M9: 5,719,875 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.3

Radius: 12

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.97 AU - 1.37 AU

Year: 858 Days

Day: 8.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,033,635 km

• M1: 344,524 km (0.036 R)
• M2: 722,857 km (0.058 R)
• M3: 1,481,617 km (0.06 R)
• M4: 2,016,430 km (0.051 R)
• M5: 2,688,423 km (0.064 R)
• M6: 3,356,228 km (0.116 R)
• M7: 4,959,169 km (0.116 R)
• M8: 5,733,189 km (0.085 R)
• M9: 6,412,962 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.7

Radius: 8.5

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.26 AU - 1.32 AU

Year: 994 Days

Day: 9.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,033,635 km

• M1: 107,262 km (0.092 R)
• M2: 377,585 km (0.071 R)
• M3: 715,826 km (0.109 R)
• M4: 1,005,298 km (0.091 R)
• M5: 1,381,836 km (0.066 R)
• M6: 2,837,572 km (0.102 R)
• M7: 3,148,437 km (0.11 R)
• M8: 4,107,060 km (0.093 R)
• M9: 4,523,690 km (0.091 R)
• M10: 6,390,671 km (0.101 R)
• M11: 6,677,899 km (0.076 R)
• M12: 7,864,510 km (0.092 R)
• M13: 8,169,091 km (0.111 R)
• M14: 8,507,930 km (0.064 R)
• M15: 9,130,407 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324

Radius: 14.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.97 AU - 2.11 AU

Year: 1976 Days

Day: 8 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,033,635 km

• M1: 181,911 km (0.066 R)
• M2: 655,388 km (0.084 R)
• M3: 1,260,063 km (0.096 R)
• M4: 2,259,526 km (0.082 R)
• M5: 3,115,076 km (0.104 R)
• M6: 3,675,171 km (0.09 R)
• M7: 4,143,412 km (0.116 R)
• M8: 6,040,313 km (0.067 R)
• M9: 8,042,681 km (0.118 R)
• M10: 8,548,471 km (0.118 R)
• M11: 10,066,291 km (0.086 R)
• M12: 10,923,487 km (0.104 R)
• M13: 11,439,899 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.1

Radius: 9

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.92 AU - 5.76 AU

Year: 8370 Days

Day: 7.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,033,635 km

• M1: 111,899 km (0.109 R)
• M2: 483,201 km (0.099 R)
• M3: 852,409 km (0.068 R)
• M4: 1,815,669 km (0.099 R)
• M5: 2,390,724 km (0.097 R)
• M6: 2,741,680 km (0.092 R)
• M7: 3,646,897 km (0.082 R)
• M8: 4,006,979 km (0.066 R)
• M9: 4,591,607 km (0.096 R)
• M10: 4,889,606 km (0.079 R)
• M11: 5,200,321 km (0.069 R)
• M12: 5,896,400 km (0.079 R)
• M13: 7,311,895 km (0.054 R)
• M14: 8,315,248 km (0.093 R)
• M15: 9,407,612 km (0.08 R)
• M16: 11,874,929 km (0.112 R)
• M17: 13,437,629 km (0.051 R)
• M18: 15,263,770 km (0.056 R)
• M19: 16,685,548 km (0.066 R)
• M20: 20,905,405 km (0.025 R)
• M21: 21,313,657 km (0.107 R)
• M22: 31,059,959 km (0.046 R)
• M23: 31,591,630 km (0.089 R)
• M24: 32,673,372 km (0.084 R)
• M25: 34,910,458 km (0.072 R)
• M26: 35,369,873 km (0.053 R)
• M27: 38,090,011 km (0.059 R)
• M28: 38,576,803 km (0.105 R)
• M29: 39,191,351 km (0.083 R)
• M30: 42,622,677 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.9

Radius: 3.8

Gravity: 68.41 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.04 AU - 7.14 AU

Year: 11474 Days

Day: 22.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,033,635 km

• M1: 47,273 km (0.063 R)
• M2: 171,589 km (0.089 R)
• M3: 588,668 km (0.112 R)
• M4: 731,833 km (0.035 R)
• M5: 951,891 km (0.108 R)
• M6: 1,664,576 km (0.103 R)
• M7: 1,918,742 km (0.094 R)
• M8: 2,337,317 km (0.109 R)
• M9: 2,955,007 km (0.073 R)
• M10: 3,301,625 km (0.045 R)
• M11: 3,511,511 km (0.041 R)
• M12: 3,786,322 km (0.062 R)
• M13: 6,443,629 km (0.063 R)
• M14: 9,490,190 km (0.117 R)
• M15: 9,647,866 km (0.11 R)
• M16: 10,574,625 km (0.045 R)
• M17: 13,910,059 km (0.084 R)
• M18: 14,045,445 km (0.117 R)
• M19: 16,184,694 km (0.113 R)
• M20: 16,789,668 km (0.103 R)
• M21: 17,331,362 km (0.113 R)
• M22: 19,615,123 km (0.077 R)
• M23: 19,871,085 km (0.115 R)
• M24: 22,647,921 km (0.094 R)
• M25: 24,177,559 km (0.054 R)
• M26: 24,669,287 km (0.119 R)
• M27: 25,167,747 km (0.116 R)
• M28: 30,640,935 km (0.09 R)
• M29: 34,081,088 km (0.107 R)
• M30: 34,948,456 km (0.118 R)
• M31: 36,212,857 km (0.064 R)
• M32: 39,778,523 km (0.113 R)
• M33: 43,861,348 km (0.091 R)
• M34: 45,034,793 km (0.104 R)
• M35: 49,149,932 km (0.109 R)
• M36: 50,415,679 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253

Radius: 7.9

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.45 AU - 8.35 AU

Year: 12293 Days

Day: 16.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,033,635 km

• M1: 98,286 km (0.098 R)
• M2: 368,310 km (0.118 R)
• M3: 615,745 km (0.088 R)
• M4: 1,078,451 km (0.116 R)
• M5: 1,700,778 km (0.083 R)
• M6: 2,028,398 km (0.034 R)
• M7: 2,617,813 km (0.087 R)
• M8: 3,451,672 km (0.106 R)
• M9: 6,755,840 km (0.116 R)
• M10: 13,892,705 km (0.1 R)
• M11: 15,224,874 km (0.039 R)
• M12: 15,921,851 km (0.093 R)
• M13: 16,180,655 km (0.111 R)
• M14: 18,352,368 km (0.108 R)
• M15: 24,189,527 km (0.113 R)
• M16: 24,531,657 km (0.063 R)
• M17: 34,819,353 km (0.108 R)
• M18: 35,255,581 km (0.072 R)
• M19: 38,528,483 km (0.108 R)
• M20: 39,465,713 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 13.6

Radius: 3

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.76 AU - 8.96 AU

Year: 13543 Days

Day: 18.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,033,635 km

• M1: 56,249 km (0.116 R)
• M2: 504,893 km (0.067 R)
• M3: 660,325 km (0.087 R)
• M4: 827,276 km (0.052 R)
• M5: 1,044,193 km (0.092 R)
• M6: 1,757,476 km (0.069 R)
• M7: 2,835,777 km (0.105 R)
• M8: 4,491,377 km (0.069 R)
• M9: 5,043,094 km (0.095 R)
• M10: 7,189,225 km (0.054 R)
• M11: 8,840,636 km (0.093 R)
• M12: 9,331,466 km (0.083 R)
• M13: 12,219,304 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.4

Radius: 6.2

Gravity: 13.46 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.19 AU - 9.45 AU

Year: 17766 Days

Day: 15.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,033,635 km

• M1: 80,932 km (0.118 R)
• M2: 288,724 km (0.044 R)
• M3: 515,813 km (0.119 R)
• M4: 845,228 km (0.114 R)
• M5: 1,088,474 km (0.078 R)
• M6: 1,321,996 km (0.11 R)
• M7: 1,636,900 km (0.12 R)
• M8: 2,890,380 km (0.117 R)
• M9: 3,264,375 km (0.117 R)
• M10: 5,091,414 km (0.112 R)
• M11: 5,525,248 km (0.089 R)
• M12: 6,141,441 km (0.112 R)
• M13: 8,412,187 km (0.103 R)
• M14: 9,121,880 km (0.039 R)
• M15: 9,652,803 km (0.113 R)
• M16: 14,310,383 km (0.105 R)
• M17: 16,069,205 km (0.065 R)
• M18: 16,530,565 km (0.109 R)
• M19: 16,921,614 km (0.077 R)
• M20: 17,967,452 km (0.097 R)
• M21: 19,399,104 km (0.099 R)
• M22: 20,187,036 km (0.065 R)
• M23: 23,454,852 km (0.043 R)
• M24: 24,148,238 km (0.1 R)
• M25: 25,368,508 km (0.111 R)
• M26: 26,310,376 km (0.085 R)
• M27: 27,602,004 km (0.059 R)
• M28: 28,263,526 km (0.112 R)
• M29: 30,311,221 km (0.086 R)
• M30: 32,945,789 km (0.057 R)
• M31: 34,827,132 km (0.035 R)
• M32: 36,514,596 km (0.026 R)
• M33: 38,255,766 km (0.112 R)
• M34: 41,614,388 km (0.114 R)
• M35: 45,621,965 km (0.059 R)
• M36: 49,717,057 km (0.026 R)
• M37: 57,908,588 km (0.06 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 18,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit