🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.8

Radius: 13.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.73 AU - 0.85 AU

Year: 485 Days

Day: 12.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,189,542 km

• M1: 169,195 km (0.114 R)
• M2: 723,455 km (0.026 R)
• M3: 1,203,515 km (0.116 R)
• M4: 1,662,032 km (0.117 R)
• M5: 2,131,321 km (0.085 R)
• M6: 2,669,125 km (0.119 R)
• M7: 3,213,512 km (0.083 R)
• M8: 3,647,196 km (0.094 R)
• M9: 4,394,138 km (0.094 R)
• M10: 5,076,305 km (0.054 R)
• M11: 6,045,848 km (0.09 R)
• M12: 6,732,203 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.7

Radius: 14.5

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.06 AU - 2.86 AU

Year: 2663 Days

Day: 8.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,189,542 km

• M1: 180,714 km (0.033 R)
• M2: 741,706 km (0.113 R)
• M3: 1,232,238 km (0.117 R)
• M4: 1,821,504 km (0.092 R)
• M5: 2,830,990 km (0.093 R)
• M6: 3,357,575 km (0.08 R)
• M7: 5,412,750 km (0.12 R)
• M8: 6,735,345 km (0.049 R)
• M9: 8,504,340 km (0.082 R)
• M10: 9,030,924 km (0.08 R)
• M11: 9,945,865 km (0.079 R)
• M12: 10,601,253 km (0.118 R)
• M13: 11,657,264 km (0.082 R)
• M14: 13,023,691 km (0.089 R)
• M15: 14,451,005 km (0.052 R)
• M16: 15,112,975 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.9

Radius: 15

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.68 AU - 4.14 AU

Year: 4347 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,189,542 km

• M1: 186,698 km (0.106 R)
• M2: 703,260 km (0.081 R)
• M3: 2,198,191 km (0.113 R)
• M4: 2,848,044 km (0.081 R)
• M5: 3,861,869 km (0.057 R)
• M6: 4,539,099 km (0.078 R)
• M7: 5,131,955 km (0.085 R)
• M8: 6,665,333 km (0.1 R)
• M9: 7,966,685 km (0.08 R)
• M10: 10,142,436 km (0.108 R)
• M11: 11,069,794 km (0.11 R)
• M12: 12,590,755 km (0.034 R)
• M13: 13,144,567 km (0.113 R)
• M14: 14,139,542 km (0.048 R)
• M15: 15,015,886 km (0.097 R)
• M16: 16,044,820 km (0.119 R)
• M17: 17,365,770 km (0.057 R)
• M18: 20,019,337 km (0.116 R)
• M19: 21,124,715 km (0.1 R)
• M20: 22,343,489 km (0.092 R)
• M21: 23,532,792 km (0.05 R)
• M22: 24,066,258 km (0.048 R)
• M23: 26,690,803 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.2

Radius: 8.8

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.79 AU - 4.85 AU

Year: 6198 Days

Day: 9.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,189,542 km

• M1: 110,553 km (0.117 R)
• M2: 396,734 km (0.03 R)
• M3: 690,693 km (0.049 R)
• M4: 1,071,121 km (0.076 R)
• M5: 1,688,511 km (0.073 R)
• M6: 2,051,585 km (0.114 R)
• M7: 2,437,249 km (0.075 R)
• M8: 2,970,116 km (0.075 R)
• M9: 3,246,723 km (0.117 R)
• M10: 4,098,234 km (0.103 R)
• M11: 4,531,469 km (0.075 R)
• M12: 5,515,225 km (0.09 R)
• M13: 6,405,631 km (0.065 R)
• M14: 9,465,506 km (0.093 R)
• M15: 11,990,419 km (0.099 R)
• M16: 14,047,689 km (0.073 R)
• M17: 16,923,259 km (0.104 R)
• M18: 17,197,771 km (0.06 R)
• M19: 17,868,568 km (0.064 R)
• M20: 18,498,674 km (0.076 R)
• M21: 19,321,911 km (0.027 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.4

Radius: 6.1

Gravity: 20.6 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.97 AU - 7.69 AU

Year: 12321 Days

Day: 15.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,189,542 km

• M1: 75,846 km (0.108 R)
• M2: 272,567 km (0.062 R)
• M3: 643,420 km (0.049 R)
• M4: 1,000,810 km (0.1 R)
• M5: 1,633,459 km (0.108 R)
• M6: 1,964,968 km (0.099 R)
• M7: 3,463,789 km (0.052 R)
• M8: 3,954,919 km (0.096 R)
• M9: 4,277,153 km (0.086 R)
• M10: 5,007,639 km (0.113 R)
• M11: 5,781,359 km (0.028 R)
• M12: 7,172,320 km (0.056 R)
• M13: 9,682,124 km (0.088 R)
• M14: 10,486,811 km (0.054 R)
• M15: 12,046,069 km (0.113 R)
• M16: 12,474,218 km (0.082 R)
• M17: 14,086,734 km (0.061 R)
• M18: 14,630,672 km (0.101 R)
• M19: 16,052,001 km (0.103 R)
• M20: 17,955,185 km (0.065 R)
• M21: 19,582,062 km (0.076 R)
• M22: 20,088,600 km (0.058 R)
• M23: 23,032,537 km (0.062 R)
• M24: 25,246,436 km (0.095 R)
• M25: 26,251,883 km (0.063 R)
• M26: 30,541,004 km (0.099 R)
• M27: 38,997,173 km (0.087 R)
• M28: 41,296,791 km (0.075 R)
• M29: 48,274,634 km (0.112 R)
• M30: 50,764,392 km (0.107 R)
• M31: 51,559,804 km (0.091 R)
• M32: 54,657,826 km (0.108 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: 421 - 12,588 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit