🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.3

Radius: 11.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.54 AU - 0.78 AU

Year: 370 Days

Day: 9.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,395,614 km

• M1: 146,756 km (0.087 R)
• M2: 541,095 km (0.104 R)
• M3: 967,300 km (0.071 R)
• M4: 1,752,689 km (0.103 R)
• M5: 3,332,293 km (0.088 R)
• M6: 3,788,267 km (0.105 R)
• M7: 4,212,078 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.4

Radius: 11.5

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.62 AU - 0.92 AU

Year: 466 Days

Day: 9 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,395,614 km

• M1: 143,016 km (0.053 R)
• M2: 579,243 km (0.118 R)
• M3: 1,080,845 km (0.116 R)
• M4: 1,555,668 km (0.1 R)
• M5: 2,464,176 km (0.107 R)
• M6: 2,970,415 km (0.072 R)
• M7: 3,735,608 km (0.093 R)
• M8: 4,779,353 km (0.069 R)
• M9: 5,452,842 km (0.111 R)
• M10: 6,225,366 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.3

Radius: 12.8

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.78 AU - 1.26 AU

Year: 711 Days

Day: 11.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,395,614 km

• M1: 162,463 km (0.073 R)
• M2: 781,948 km (0.092 R)
• M3: 1,269,936 km (0.078 R)
• M4: 1,990,848 km (0.111 R)
• M5: 3,136,469 km (0.056 R)
• M6: 3,556,689 km (0.107 R)
• M7: 3,999,200 km (0.069 R)
• M8: 4,647,108 km (0.112 R)
• M9: 5,307,583 km (0.069 R)
• M10: 5,768,943 km (0.066 R)
• M11: 6,278,024 km (0.035 R)
• M12: 6,772,744 km (0.098 R)
• M13: 7,293,495 km (0.115 R)
• M14: 7,743,635 km (0.042 R)
• M15: 8,338,885 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.8

Radius: 8.6

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.9 AU - 1.22 AU

Year: 753 Days

Day: 10.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,395,614 km

• M1: 107,411 km (0.114 R)
• M2: 448,195 km (0.088 R)
• M3: 782,247 km (0.077 R)
• M4: 1,094,308 km (0.086 R)
• M5: 1,504,506 km (0.112 R)
• M6: 1,808,040 km (0.088 R)
• M7: 2,218,985 km (0.103 R)
• M8: 2,488,561 km (0.083 R)
• M9: 2,975,352 km (0.079 R)
• M10: 3,279,335 km (0.076 R)
• M11: 3,617,576 km (0.073 R)
• M12: 3,936,219 km (0.088 R)
• M13: 4,519,352 km (0.09 R)
• M14: 4,856,545 km (0.119 R)
• M15: 5,402,727 km (0.1 R)
• M16: 5,801,705 km (0.09 R)
• M17: 6,084,744 km (0.072 R)
• M18: 6,699,292 km (0.1 R)
• M19: 7,138,661 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.5

Radius: 8.6

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.11 AU - 1.23 AU

Year: 874 Days

Day: 10.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,395,614 km

• M1: 106,962 km (0.116 R)
• M2: 398,529 km (0.094 R)
• M3: 715,826 km (0.112 R)
• M4: 1,060,799 km (0.1 R)
• M5: 1,485,058 km (0.105 R)
• M6: 1,825,393 km (0.116 R)
• M7: 2,630,828 km (0.113 R)
• M8: 3,107,447 km (0.041 R)
• M9: 4,801,643 km (0.108 R)
• M10: 5,906,872 km (0.077 R)
• M11: 6,573,181 km (0.104 R)
• M12: 7,809,757 km (0.089 R)
• M13: 8,204,246 km (0.114 R)
• M14: 8,534,559 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952

Radius: 9.1

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.29 AU - 1.79 AU

Year: 1319 Days

Day: 6.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,395,614 km

• M1: 113,545 km (0.046 R)
• M2: 438,172 km (0.109 R)
• M3: 897,737 km (0.079 R)
• M4: 1,213,837 km (0.113 R)
• M5: 1,531,433 km (0.115 R)
• M6: 2,002,068 km (0.102 R)
• M7: 2,463,428 km (0.112 R)
• M8: 2,865,547 km (0.111 R)
• M9: 3,373,881 km (0.113 R)
• M10: 4,047,819 km (0.079 R)
• M11: 5,266,144 km (0.081 R)
• M12: 6,220,130 km (0.119 R)
• M13: 8,291,013 km (0.065 R)
• M14: 9,260,407 km (0.077 R)
• M15: 9,546,289 km (0.039 R)
• M16: 10,923,936 km (0.058 R)
• M17: 13,615,501 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.8

Radius: 13.1

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.95 AU - 3.37 AU

Year: 3877 Days

Day: 8.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,395,614 km

• M1: 164,258 km (0.114 R)
• M2: 874,549 km (0.077 R)
• M3: 1,406,818 km (0.08 R)
• M4: 2,225,268 km (0.081 R)
• M5: 3,209,323 km (0.083 R)
• M6: 5,363,233 km (0.09 R)
• M7: 5,827,435 km (0.085 R)
• M8: 6,995,047 km (0.099 R)
• M9: 7,550,504 km (0.117 R)
• M10: 9,991,791 km (0.077 R)
• M11: 10,570,586 km (0.101 R)
• M12: 12,255,357 km (0.046 R)
• M13: 14,010,439 km (0.114 R)
• M14: 14,736,437 km (0.105 R)
• M15: 17,535,563 km (0.061 R)
• M16: 19,758,737 km (0.071 R)
• M17: 20,277,243 km (0.114 R)
• M18: 21,545,235 km (0.086 R)
• M19: 23,364,943 km (0.071 R)
• M20: 23,872,080 km (0.099 R)

Asteroid Belt

Center: 6.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.2

Radius: 5.7

Gravity: 18.47 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.73 AU - 11.03 AU

Year: 19830 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,395,614 km

• M1: 70,909 km (0.103 R)
• M2: 324,927 km (0.092 R)
• M3: 740,659 km (0.114 R)
• M4: 1,058,255 km (0.09 R)
• M5: 1,798,615 km (0.087 R)
• M6: 2,331,483 km (0.044 R)
• M7: 3,014,995 km (0.096 R)
• M8: 4,460,859 km (0.1 R)
• M9: 5,622,935 km (0.098 R)
• M10: 6,024,157 km (0.077 R)
• M11: 6,794,137 km (0.095 R)
• M12: 7,342,712 km (0.038 R)
• M13: 7,822,024 km (0.102 R)
• M14: 8,424,454 km (0.081 R)
• M15: 10,065,394 km (0.12 R)
• M16: 11,843,215 km (0.068 R)
• M17: 12,103,964 km (0.078 R)
• M18: 14,328,783 km (0.109 R)
• M19: 19,750,360 km (0.106 R)
• M20: 20,117,024 km (0.079 R)
• M21: 20,958,662 km (0.025 R)
• M22: 22,912,559 km (0.117 R)
• M23: 24,141,506 km (0.089 R)
• M24: 24,772,061 km (0.042 R)
• M25: 27,178,642 km (0.111 R)
• M26: 27,404,834 km (0.104 R)
• M27: 29,141,665 km (0.045 R)
• M28: 32,070,941 km (0.064 R)
• M29: 38,792,673 km (0.117 R)
• M30: 40,534,889 km (0.084 R)
• M31: 41,425,296 km (0.12 R)
• M32: 45,593,691 km (0.083 R)
• M33: 46,556,503 km (0.118 R)
• M34: 57,127,088 km (0.106 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 10,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit