🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.3

Radius: 9.2

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.59 AU - 0.65 AU

Year: 331 Days

Day: 13 Hours

Environment

Temp: -148 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,895,601 km

• M1: 114,442 km (0.113 R)
• M2: 412,441 km (0.088 R)
• M3: 773,571 km (0.074 R)
• M4: 1,109,119 km (0.037 R)
• M5: 1,443,171 km (0.088 R)
• M6: 1,890,169 km (0.112 R)
• M7: 2,814,235 km (0.071 R)
• M8: 3,213,063 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.7

Radius: 9.6

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.71 AU - 0.79 AU

Year: 441 Days

Day: 5.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,895,601 km

• M1: 119,529 km (0.096 R)
• M2: 641,476 km (0.102 R)
• M3: 1,022,651 km (0.06 R)
• M4: 1,456,634 km (0.094 R)
• M5: 1,947,615 km (0.04 R)
• M6: 2,334,026 km (0.076 R)
• M7: 2,691,565 km (0.116 R)
• M8: 3,074,685 km (0.101 R)
• M9: 3,388,691 km (0.062 R)
• M10: 3,862,019 km (0.101 R)
• M11: 4,604,024 km (0.113 R)
• M12: 5,001,655 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.3

Radius: 10.6

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.86 AU - 1.42 AU

Year: 826 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,895,601 km

• M1: 132,394 km (0.091 R)
• M2: 512,971 km (0.075 R)
• M3: 923,916 km (0.116 R)
• M4: 1,499,120 km (0.098 R)
• M5: 2,003,415 km (0.113 R)
• M6: 2,502,623 km (0.095 R)
• M7: 3,047,907 km (0.094 R)
• M8: 3,537,092 km (0.094 R)
• M9: 4,034,655 km (0.049 R)
• M10: 5,001,356 km (0.054 R)
• M11: 5,485,604 km (0.1 R)
• M12: 5,906,573 km (0.106 R)
• M13: 6,588,739 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.5

Radius: 9.5

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.01 AU - 5.61 AU

Year: 8299 Days

Day: 9.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,895,601 km

• M1: 118,182 km (0.109 R)
• M2: 566,976 km (0.071 R)
• M3: 1,215,931 km (0.073 R)
• M4: 2,351,230 km (0.098 R)
• M5: 3,531,856 km (0.045 R)
• M6: 5,739,173 km (0.079 R)
• M7: 8,030,563 km (0.116 R)
• M8: 10,365,936 km (0.117 R)
• M9: 11,347,896 km (0.089 R)
• M10: 12,804,381 km (0.117 R)
• M11: 13,227,294 km (0.031 R)
• M12: 14,551,983 km (0.108 R)
• M13: 15,246,417 km (0.111 R)
• M14: 17,016,159 km (0.114 R)
• M15: 21,251,724 km (0.108 R)
• M16: 23,142,043 km (0.089 R)
• M17: 27,081,104 km (0.089 R)
• M18: 32,801,876 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.8

Radius: 8

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.27 AU - 7.03 AU

Year: 10344 Days

Day: 24.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,895,601 km

• M1: 150,944 km (0.11 R)
• M2: 545,883 km (0.054 R)
• M3: 1,816,866 km (0.104 R)
• M4: 2,227,363 km (0.037 R)
• M5: 3,191,371 km (0.1 R)
• M6: 4,041,087 km (0.108 R)
• M7: 4,743,150 km (0.104 R)
• M8: 5,651,209 km (0.102 R)
• M9: 6,112,719 km (0.112 R)
• M10: 7,968,779 km (0.077 R)
• M11: 12,367,406 km (0.113 R)
• M12: 13,202,311 km (0.094 R)
• M13: 20,432,376 km (0.03 R)
• M14: 22,076,008 km (0.105 R)
• M15: 33,189,634 km (0.068 R)
• M16: 36,344,204 km (0.114 R)
• M17: 37,821,034 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.5

Radius: 4.3

Gravity: 52.06 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.32 AU - 9.68 AU

Year: 16808 Days

Day: 23.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,895,601 km

• M1: 54,005 km (0.096 R)
• M2: 252,820 km (0.052 R)
• M3: 432,637 km (0.053 R)
• M4: 755,918 km (0.11 R)
• M5: 894,595 km (0.076 R)
• M6: 1,224,309 km (0.105 R)
• M7: 1,884,185 km (0.116 R)
• M8: 2,585,500 km (0.066 R)
• M9: 3,114,029 km (0.05 R)
• M10: 3,802,479 km (0.065 R)
• M11: 4,182,308 km (0.06 R)
• M12: 5,875,606 km (0.055 R)
• M13: 7,339,720 km (0.071 R)
• M14: 9,252,180 km (0.034 R)
• M15: 9,533,723 km (0.107 R)
• M16: 10,232,794 km (0.105 R)
• M17: 10,594,970 km (0.044 R)
• M18: 10,903,142 km (0.072 R)
• M19: 13,372,554 km (0.091 R)
• M20: 15,159,500 km (0.117 R)
• M21: 17,353,054 km (0.066 R)
• M22: 18,837,513 km (0.118 R)
• M23: 27,428,171 km (0.103 R)
• M24: 27,659,599 km (0.116 R)
• M25: 28,598,027 km (0.07 R)
• M26: 30,911,258 km (0.057 R)
• M27: 37,588,709 km (0.115 R)
• M28: 40,959,149 km (0.092 R)
• M29: 41,717,610 km (0.105 R)
• M30: 56,829,838 km (0.106 R)
• M31: 57,773,052 km (0.104 R)
• M32: 60,664,929 km (0.103 R)
• M33: 72,533,575 km (0.102 R)
• M34: 73,420,241 km (0.117 R)
• M35: 75,668,249 km (0.087 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 16,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit