🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.2

Radius: 12.1

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.68 AU - 0.72 AU

Year: 378 Days

Day: 12.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,286,924 km

• M1: 150,495 km (0.116 R)
• M2: 532,718 km (0.082 R)
• M3: 919,877 km (0.117 R)
• M4: 1,346,381 km (0.107 R)
• M5: 1,900,641 km (0.115 R)
• M6: 2,904,293 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 8.4

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.27 AU - 1.55 AU

Year: 1081 Days

Day: 5.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,286,924 km

• M1: 127,158 km (0.08 R)
• M2: 396,285 km (0.059 R)
• M3: 816,505 km (0.102 R)
• M4: 1,463,366 km (0.112 R)
• M5: 1,984,865 km (0.053 R)
• M6: 2,349,584 km (0.073 R)
• M7: 2,685,132 km (0.094 R)
• M8: 3,105,951 km (0.099 R)
• M9: 4,177,820 km (0.073 R)
• M10: 4,690,791 km (0.113 R)
• M11: 5,093,060 km (0.044 R)
• M12: 5,719,127 km (0.077 R)
• M13: 6,461,730 km (0.071 R)
• M14: 8,241,347 km (0.088 R)
• M15: 9,271,926 km (0.115 R)
• M16: 9,818,407 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.7

Radius: 10.2

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.77 AU - 1.99 AU

Year: 1664 Days

Day: 13.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,286,924 km

• M1: 126,859 km (0.054 R)
• M2: 668,403 km (0.052 R)
• M3: 1,028,934 km (0.111 R)
• M4: 1,370,017 km (0.109 R)
• M5: 1,993,840 km (0.062 R)
• M6: 2,340,159 km (0.085 R)
• M7: 2,884,397 km (0.115 R)
• M8: 4,132,192 km (0.112 R)
• M9: 4,479,259 km (0.113 R)
• M10: 7,316,084 km (0.108 R)
• M11: 8,697,471 km (0.117 R)
• M12: 9,935,543 km (0.105 R)
• M13: 12,359,477 km (0.046 R)
• M14: 12,798,696 km (0.108 R)
• M15: 13,331,265 km (0.078 R)
• M16: 14,440,533 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.2

Radius: 12.1

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.38 AU - 6.12 AU

Year: 7767 Days

Day: 9.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,286,924 km

• M1: 150,795 km (0.06 R)
• M2: 646,712 km (0.09 R)
• M3: 1,121,984 km (0.067 R)
• M4: 1,943,127 km (0.057 R)
• M5: 2,386,834 km (0.118 R)
• M6: 3,504,181 km (0.106 R)
• M7: 4,048,268 km (0.114 R)
• M8: 4,753,772 km (0.061 R)
• M9: 6,542,064 km (0.087 R)
• M10: 10,734,395 km (0.083 R)
• M11: 28,293,595 km (0.065 R)
• M12: 29,101,872 km (0.082 R)
• M13: 30,296,561 km (0.084 R)
• M14: 31,907,879 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.4

Radius: 12.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.91 AU - 5.97 AU

Year: 9347 Days

Day: 14.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,286,924 km

• M1: 162,912 km (0.098 R)
• M2: 565,480 km (0.112 R)
• M3: 1,088,474 km (0.078 R)
• M4: 1,548,188 km (0.074 R)
• M5: 2,471,506 km (0.078 R)
• M6: 3,066,607 km (0.089 R)
• M7: 3,778,244 km (0.116 R)
• M8: 4,320,387 km (0.051 R)
• M9: 5,301,449 km (0.043 R)
• M10: 6,589,487 km (0.105 R)
• M11: 8,076,191 km (0.056 R)
• M12: 9,102,582 km (0.109 R)
• M13: 10,302,955 km (0.095 R)
• M14: 13,227,444 km (0.053 R)
• M15: 13,709,298 km (0.115 R)
• M16: 16,236,754 km (0.119 R)
• M17: 17,674,839 km (0.099 R)
• M18: 22,955,045 km (0.105 R)
• M19: 24,283,325 km (0.083 R)
• M20: 27,523,615 km (0.108 R)
• M21: 30,204,558 km (0.105 R)
• M22: 31,894,266 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.6

Radius: 7.7

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.85 AU - 10.67 AU

Year: 18194 Days

Day: 24.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,286,924 km

• M1: 96,341 km (0.101 R)
• M2: 410,347 km (0.031 R)
• M3: 930,948 km (0.113 R)
• M4: 1,217,128 km (0.118 R)
• M5: 1,547,590 km (0.101 R)
• M6: 2,129,077 km (0.086 R)
• M7: 2,391,472 km (0.098 R)
• M8: 2,914,615 km (0.089 R)
• M9: 3,588,554 km (0.092 R)
• M10: 3,962,548 km (0.043 R)
• M11: 4,541,642 km (0.108 R)
• M12: 5,275,868 km (0.119 R)
• M13: 5,940,083 km (0.061 R)
• M14: 7,183,091 km (0.114 R)
• M15: 7,998,549 km (0.08 R)
• M16: 9,459,223 km (0.106 R)
• M17: 12,776,705 km (0.085 R)
• M18: 13,333,359 km (0.073 R)
• M19: 14,694,999 km (0.115 R)
• M20: 16,944,502 km (0.105 R)
• M21: 18,074,116 km (0.08 R)
• M22: 18,775,580 km (0.112 R)
• M23: 20,903,759 km (0.098 R)
• M24: 23,830,043 km (0.086 R)
• M25: 25,150,095 km (0.101 R)
• M26: 25,730,385 km (0.116 R)
• M27: 28,767,072 km (0.057 R)
• M28: 33,524,434 km (0.09 R)
• M29: 34,227,394 km (0.106 R)
• M30: 36,149,727 km (0.082 R)
• M31: 36,518,037 km (0.101 R)
• M32: 43,444,867 km (0.064 R)
• M33: 44,280,371 km (0.082 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: 224 - 16,908 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit