🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.8

Radius: 13.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.75 AU - 0.97 AU

Year: 541 Days

Day: 10.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,678,298 km

• M1: 168,447 km (0.101 R)
• M2: 595,250 km (0.116 R)
• M3: 1,157,140 km (0.034 R)
• M4: 1,714,392 km (0.118 R)
• M5: 2,356,615 km (0.107 R)
• M6: 2,874,224 km (0.116 R)
• M7: 3,314,640 km (0.095 R)
• M8: 3,762,386 km (0.057 R)
• M9: 4,195,771 km (0.091 R)
• M10: 5,355,604 km (0.085 R)
• M11: 5,786,595 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.6

Radius: 9.1

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.08 AU - 2.46 AU

Year: 2320 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,678,298 km

• M1: 113,246 km (0.097 R)
• M2: 397,781 km (0.101 R)
• M3: 797,955 km (0.069 R)
• M4: 1,270,236 km (0.099 R)
• M5: 1,633,160 km (0.107 R)
• M6: 2,295,729 km (0.107 R)
• M7: 2,718,792 km (0.083 R)
• M8: 3,160,105 km (0.075 R)
• M9: 3,468,576 km (0.064 R)
• M10: 4,166,600 km (0.057 R)
• M11: 6,201,430 km (0.089 R)
• M12: 6,883,297 km (0.112 R)
• M13: 7,644,601 km (0.03 R)
• M14: 9,650,259 km (0.076 R)
• M15: 10,565,499 km (0.111 R)
• M16: 11,698,404 km (0.117 R)
• M17: 13,127,512 km (0.097 R)
• M18: 14,066,389 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.6

Radius: 13.2

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.81 AU - 4.33 AU

Year: 4575 Days

Day: 5.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,678,298 km

• M1: 165,904 km (0.055 R)
• M2: 632,949 km (0.078 R)
• M3: 1,161,927 km (0.106 R)
• M4: 1,728,005 km (0.112 R)
• M5: 2,289,147 km (0.099 R)
• M6: 2,723,728 km (0.104 R)
• M7: 3,137,516 km (0.108 R)
• M8: 3,572,996 km (0.092 R)
• M9: 4,716,372 km (0.025 R)
• M10: 5,156,489 km (0.097 R)
• M11: 6,519,326 km (0.052 R)
• M12: 8,001,392 km (0.113 R)
• M13: 8,668,598 km (0.074 R)
• M14: 9,252,628 km (0.058 R)
• M15: 10,895,063 km (0.078 R)
• M16: 11,529,657 km (0.102 R)
• M17: 13,738,021 km (0.057 R)
• M18: 14,318,162 km (0.089 R)
• M19: 16,507,975 km (0.105 R)
• M20: 18,401,436 km (0.087 R)
• M21: 21,192,483 km (0.042 R)
• M22: 24,254,602 km (0.095 R)
• M23: 25,416,229 km (0.056 R)
• M24: 28,440,201 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.5

Radius: 11.4

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.5 AU - 5.28 AU

Year: 7334 Days

Day: 14.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,678,298 km

• M1: 141,819 km (0.115 R)
• M2: 511,326 km (0.08 R)
• M3: 871,408 km (0.113 R)
• M4: 1,287,738 km (0.076 R)
• M5: 2,401,345 km (0.119 R)
• M6: 2,762,175 km (0.092 R)
• M7: 3,372,534 km (0.091 R)
• M8: 4,752,276 km (0.107 R)
• M9: 5,850,922 km (0.096 R)
• M10: 6,241,672 km (0.068 R)
• M11: 7,039,328 km (0.042 R)
• M12: 7,481,838 km (0.045 R)
• M13: 10,025,601 km (0.103 R)
• M14: 12,771,170 km (0.118 R)
• M15: 13,599,344 km (0.062 R)
• M16: 14,345,837 km (0.077 R)
• M17: 17,340,338 km (0.095 R)
• M18: 18,012,930 km (0.077 R)
• M19: 18,913,360 km (0.114 R)
• M20: 23,461,584 km (0.073 R)
• M21: 27,952,661 km (0.075 R)
• M22: 28,505,126 km (0.059 R)
• M23: 29,537,052 km (0.107 R)
• M24: 30,496,573 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.3

Radius: 3.5

Gravity: 45.58 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.73 AU - 9.91 AU

Year: 17766 Days

Day: 17.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 65,678,298 km

• M1: 43,533 km (0.116 R)
• M2: 338,390 km (0.115 R)
• M3: 465,848 km (0.106 R)
• M4: 996,920 km (0.095 R)
• M5: 1,210,546 km (0.109 R)
• M6: 1,694,495 km (0.108 R)
• M7: 2,275,982 km (0.113 R)
• M8: 2,489,009 km (0.116 R)
• M9: 3,004,823 km (0.099 R)
• M10: 3,287,862 km (0.107 R)
• M11: 3,504,779 km (0.083 R)
• M12: 3,936,967 km (0.067 R)
• M13: 4,244,092 km (0.061 R)
• M14: 5,046,535 km (0.061 R)
• M15: 6,515,885 km (0.067 R)
• M16: 6,857,866 km (0.108 R)
• M17: 7,812,749 km (0.046 R)
• M18: 8,052,554 km (0.085 R)
• M19: 9,060,993 km (0.074 R)
• M20: 9,219,118 km (0.12 R)
• M21: 9,981,918 km (0.115 R)
• M22: 10,668,423 km (0.094 R)
• M23: 12,915,981 km (0.055 R)
• M24: 13,251,230 km (0.088 R)
• M25: 14,291,683 km (0.046 R)
• M26: 18,657,098 km (0.077 R)
• M27: 19,171,715 km (0.096 R)
• M28: 19,784,019 km (0.11 R)
• M29: 22,268,092 km (0.117 R)
• M30: 26,856,558 km (0.087 R)
• M31: 29,543,335 km (0.038 R)
• M32: 30,595,457 km (0.06 R)
• M33: 33,271,913 km (0.077 R)
• M34: 35,574,523 km (0.101 R)
• M35: 41,790,913 km (0.081 R)
• M36: 45,692,874 km (0.112 R)
• M37: 49,016,490 km (0.058 R)
• M38: 54,558,792 km (0.115 R)
• M39: 55,962,469 km (0.056 R)
• M40: 61,629,536 km (0.114 R)
• M41: 62,197,409 km (0.116 R)
• M42: 64,309,581 km (0.099 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 20,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit