🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.4

Radius: 11.3

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.21 AU - 1.37 AU

Year: 994 Days

Day: 14.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,777,681 km

• M1: 140,472 km (0.066 R)
• M2: 502,798 km (0.047 R)
• M3: 872,604 km (0.078 R)
• M4: 1,787,545 km (0.044 R)
• M5: 2,256,983 km (0.041 R)
• M6: 2,819,172 km (0.118 R)
• M7: 3,618,174 km (0.119 R)
• M8: 6,285,654 km (0.116 R)
• M9: 7,080,018 km (0.1 R)
• M10: 7,468,674 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832

Radius: 8.4

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.4 AU - 2.22 AU

Year: 1652 Days

Day: 6.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,777,681 km

• M1: 104,569 km (0.105 R)
• M2: 489,035 km (0.078 R)
• M3: 771,327 km (0.047 R)
• M4: 1,189,453 km (0.104 R)
• M5: 1,525,898 km (0.084 R)
• M6: 1,936,694 km (0.108 R)
• M7: 2,648,481 km (0.113 R)
• M8: 2,981,186 km (0.089 R)
• M9: 3,507,322 km (0.081 R)
• M10: 3,801,880 km (0.034 R)
• M11: 4,094,045 km (0.095 R)
• M12: 4,912,345 km (0.109 R)
• M13: 5,394,200 km (0.102 R)
• M14: 6,950,018 km (0.106 R)
• M15: 9,006,390 km (0.035 R)
• M16: 9,395,793 km (0.059 R)
• M17: 9,695,139 km (0.103 R)
• M18: 10,775,235 km (0.098 R)
• M19: 11,325,905 km (0.08 R)
• M20: 12,206,289 km (0.082 R)
• M21: 12,967,443 km (0.081 R)
• M22: 14,059,806 km (0.104 R)
• M23: 14,495,884 km (0.075 R)
• M24: 14,761,869 km (0.098 R)
• M25: 15,121,502 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638

Radius: 13.2

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.61 AU - 2.67 AU

Year: 2909 Days

Day: 6 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,777,681 km

• M1: 164,258 km (0.097 R)
• M2: 578,944 km (0.098 R)
• M3: 1,068,578 km (0.03 R)
• M4: 1,528,591 km (0.093 R)
• M5: 2,122,943 km (0.026 R)
• M6: 2,667,180 km (0.06 R)
• M7: 3,501,189 km (0.075 R)
• M8: 4,101,226 km (0.073 R)
• M9: 4,769,330 km (0.073 R)
• M10: 6,160,141 km (0.028 R)
• M11: 7,679,457 km (0.068 R)
• M12: 8,697,022 km (0.078 R)
• M13: 9,363,929 km (0.047 R)
• M14: 10,331,528 km (0.034 R)
• M15: 10,879,655 km (0.059 R)
• M16: 12,553,356 km (0.108 R)
• M17: 13,042,391 km (0.073 R)
• M18: 14,634,711 km (0.073 R)
• M19: 16,405,800 km (0.106 R)
• M20: 16,990,877 km (0.09 R)
• M21: 17,978,373 km (0.104 R)
• M22: 18,429,261 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.7

Radius: 15

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.75 AU - 3.13 AU

Year: 3419 Days

Day: 6.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 87.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,777,681 km

• M1: 186,848 km (0.113 R)
• M2: 674,686 km (0.102 R)
• M3: 1,315,115 km (0.083 R)
• M4: 1,791,883 km (0.097 R)
• M5: 3,406,194 km (0.114 R)
• M6: 3,984,838 km (0.085 R)
• M7: 5,088,123 km (0.081 R)
• M8: 6,623,446 km (0.074 R)
• M9: 8,135,581 km (0.11 R)
• M10: 9,789,385 km (0.115 R)
• M11: 11,701,994 km (0.091 R)
• M12: 12,514,610 km (0.115 R)
• M13: 13,076,948 km (0.089 R)
• M14: 13,558,504 km (0.052 R)
• M15: 15,232,354 km (0.069 R)
• M16: 16,478,056 km (0.076 R)
• M17: 18,442,575 km (0.096 R)
• M18: 21,343,427 km (0.091 R)
• M19: 22,215,583 km (0.119 R)
• M20: 23,111,225 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662

Radius: 12.8

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.25 AU - 6.83 AU

Year: 8844 Days

Day: 5.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,777,681 km

• M1: 167,250 km (0.054 R)
• M2: 1,093,860 km (0.1 R)
• M3: 1,506,002 km (0.097 R)
• M4: 2,453,405 km (0.084 R)
• M5: 4,203,401 km (0.084 R)
• M6: 4,618,535 km (0.113 R)
• M7: 6,418,646 km (0.052 R)
• M8: 7,636,822 km (0.1 R)
• M9: 8,473,074 km (0.104 R)
• M10: 11,887,496 km (0.119 R)
• M11: 12,723,598 km (0.061 R)
• M12: 17,931,848 km (0.044 R)
• M13: 31,244,263 km (0.118 R)
• M14: 32,192,564 km (0.104 R)
• M15: 33,705,747 km (0.108 R)
• M16: 40,234,647 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.7

Radius: 5

Gravity: 30.99 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.74 AU - 8.34 AU

Year: 15462 Days

Day: 20.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,777,681 km

• M1: 62,233 km (0.092 R)
• M2: 253,269 km (0.077 R)
• M3: 457,769 km (0.111 R)
• M4: 873,951 km (0.11 R)
• M5: 1,142,629 km (0.093 R)
• M6: 1,303,745 km (0.062 R)
• M7: 1,792,332 km (0.093 R)
• M8: 2,268,801 km (0.117 R)
• M9: 2,996,745 km (0.101 R)
• M10: 3,200,796 km (0.052 R)
• M11: 3,441,499 km (0.11 R)
• M12: 4,142,664 km (0.025 R)
• M13: 4,331,906 km (0.109 R)
• M14: 7,394,324 km (0.094 R)
• M15: 13,012,023 km (0.05 R)
• M16: 13,418,779 km (0.073 R)
• M17: 14,044,697 km (0.079 R)
• M18: 14,400,740 km (0.078 R)
• M19: 15,354,725 km (0.077 R)
• M20: 19,329,990 km (0.115 R)
• M21: 20,947,292 km (0.11 R)
• M22: 22,074,213 km (0.038 R)
• M23: 23,043,757 km (0.109 R)
• M24: 23,839,617 km (0.069 R)
• M25: 25,380,924 km (0.114 R)
• M26: 26,229,593 km (0.11 R)
• M27: 27,316,721 km (0.086 R)
• M28: 30,401,429 km (0.099 R)
• M29: 31,600,605 km (0.086 R)
• M30: 37,252,114 km (0.047 R)
• M31: 43,391,311 km (0.082 R)
• M32: 47,571,824 km (0.104 R)
• M33: 49,349,196 km (0.059 R)
• M34: 49,512,856 km (0.115 R)
• M35: 53,035,736 km (0.103 R)
• M36: 54,072,150 km (0.113 R)
• M37: 56,901,944 km (0.059 R)
• M38: 63,820,247 km (0.098 R)
• M39: 64,404,576 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 18,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit