🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.7

Radius: 12.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.6 AU - 0.72 AU

Year: 370 Days

Day: 12.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,536,204 km

• M1: 159,322 km (0.114 R)
• M2: 569,968 km (0.083 R)
• M3: 1,134,550 km (0.038 R)
• M4: 1,686,417 km (0.12 R)
• M5: 2,302,760 km (0.095 R)
• M6: 3,171,176 km (0.119 R)
• M7: 3,711,523 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.1

Radius: 12.2

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.72 AU - 0.8 AU

Year: 457 Days

Day: 9.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,536,204 km

• M1: 151,842 km (0.119 R)
• M2: 533,616 km (0.057 R)
• M3: 1,080,545 km (0.044 R)
• M4: 1,514,828 km (0.099 R)
• M5: 1,980,526 km (0.109 R)
• M6: 2,471,656 km (0.064 R)
• M7: 3,070,646 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.4

Radius: 13.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.27 AU - 1.95 AU

Year: 1410 Days

Day: 14.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,536,204 km

• M1: 171,589 km (0.061 R)
• M2: 633,098 km (0.085 R)
• M3: 1,439,132 km (0.1 R)
• M4: 1,990,250 km (0.091 R)
• M5: 2,855,823 km (0.046 R)
• M6: 3,821,777 km (0.093 R)
• M7: 4,642,022 km (0.117 R)
• M8: 5,078,100 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.8

Radius: 8.1

Gravity: 14.89 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.17 AU - 2.33 AU

Year: 2330 Days

Day: 11.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,536,204 km

• M1: 104,120 km (0.051 R)
• M2: 371,302 km (0.043 R)
• M3: 871,707 km (0.088 R)
• M4: 1,542,952 km (0.108 R)
• M5: 1,843,943 km (0.119 R)
• M6: 2,131,171 km (0.043 R)
• M7: 2,844,903 km (0.1 R)
• M8: 3,355,031 km (0.11 R)
• M9: 4,149,097 km (0.089 R)
• M10: 4,579,490 km (0.048 R)
• M11: 5,580,300 km (0.056 R)
• M12: 5,917,793 km (0.089 R)
• M13: 6,953,608 km (0.044 R)
• M14: 7,750,666 km (0.12 R)
• M15: 9,236,322 km (0.052 R)
• M16: 9,635,599 km (0.103 R)
• M17: 10,160,239 km (0.106 R)
• M18: 10,822,957 km (0.094 R)
• M19: 11,764,825 km (0.111 R)
• M20: 12,984,048 km (0.103 R)
• M21: 14,770,546 km (0.106 R)
• M22: 15,979,895 km (0.084 R)
• M23: 17,417,680 km (0.068 R)
• M24: 18,027,591 km (0.081 R)
• M25: 19,348,540 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.2

Radius: 14

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.31 AU - 2.73 AU

Year: 2761 Days

Day: 13.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,536,204 km

• M1: 174,431 km (0.036 R)
• M2: 763,996 km (0.116 R)
• M3: 1,603,988 km (0.057 R)
• M4: 2,356,615 km (0.079 R)
• M5: 2,954,558 km (0.116 R)
• M6: 3,426,689 km (0.07 R)
• M7: 4,010,869 km (0.055 R)
• M8: 5,585,237 km (0.109 R)
• M9: 6,285,504 km (0.04 R)
• M10: 7,074,035 km (0.116 R)
• M11: 8,126,456 km (0.083 R)
• M12: 10,783,015 km (0.082 R)
• M13: 11,827,806 km (0.067 R)
• M14: 12,621,124 km (0.11 R)
• M15: 14,021,958 km (0.03 R)
• M16: 14,461,776 km (0.08 R)
• M17: 15,889,538 km (0.092 R)
• M18: 16,475,513 km (0.114 R)
• M19: 17,465,402 km (0.071 R)
• M20: 18,552,978 km (0.071 R)
• M21: 20,548,614 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.7

Radius: 11

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.43 AU - 2.69 AU

Year: 2827 Days

Day: 12.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,536,204 km

• M1: 146,008 km (0.053 R)
• M2: 541,993 km (0.086 R)
• M3: 1,081,892 km (0.081 R)
• M4: 1,683,275 km (0.12 R)
• M5: 2,226,316 km (0.086 R)
• M6: 2,582,957 km (0.111 R)
• M7: 3,378,668 km (0.105 R)
• M8: 3,891,639 km (0.098 R)
• M9: 4,268,775 km (0.058 R)
• M10: 7,072,239 km (0.114 R)
• M11: 8,071,703 km (0.12 R)
• M12: 10,126,729 km (0.04 R)
• M13: 12,939,318 km (0.106 R)
• M14: 13,379,734 km (0.088 R)
• M15: 16,748,529 km (0.109 R)
• M16: 17,431,144 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.5

Radius: 7

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.47 AU - 9.81 AU

Year: 17530 Days

Day: 16.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,536,204 km

• M1: 105,616 km (0.111 R)
• M2: 328,667 km (0.084 R)
• M3: 634,744 km (0.1 R)
• M4: 865,573 km (0.084 R)
• M5: 1,153,699 km (0.096 R)
• M6: 1,749,098 km (0.066 R)
• M7: 2,738,090 km (0.093 R)
• M8: 3,207,827 km (0.088 R)
• M9: 3,876,530 km (0.091 R)
• M10: 4,534,611 km (0.026 R)
• M11: 5,155,891 km (0.118 R)
• M12: 5,412,451 km (0.086 R)
• M13: 5,793,626 km (0.088 R)
• M14: 7,734,360 km (0.106 R)
• M15: 8,071,104 km (0.114 R)
• M16: 8,518,252 km (0.118 R)
• M17: 9,407,761 km (0.059 R)
• M18: 11,065,904 km (0.086 R)
• M19: 11,742,834 km (0.106 R)
• M20: 14,152,108 km (0.041 R)
• M21: 15,321,515 km (0.119 R)
• M22: 16,240,046 km (0.081 R)
• M23: 22,827,737 km (0.081 R)
• M24: 23,321,410 km (0.077 R)
• M25: 24,227,824 km (0.108 R)
• M26: 26,433,944 km (0.116 R)
• M27: 28,542,227 km (0.08 R)
• M28: 33,342,074 km (0.094 R)
• M29: 34,362,631 km (0.117 R)
• M30: 37,140,514 km (0.101 R)
• M31: 41,802,283 km (0.047 R)
• M32: 42,244,494 km (0.084 R)
• M33: 45,427,787 km (0.085 R)
• M34: 52,096,710 km (0.108 R)
• M35: 57,733,857 km (0.107 R)
• M36: 63,569,670 km (0.104 R)
• M37: 66,129,589 km (0.044 R)
• M38: 66,930,985 km (0.087 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 15,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit