🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.4

Radius: 10.5

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.54 AU - 1.76 AU

Year: 1390 Days

Day: 10.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,082,190 km

• M1: 130,898 km (0.109 R)
• M2: 865,573 km (0.114 R)
• M3: 1,549,984 km (0.111 R)
• M4: 2,100,952 km (0.043 R)
• M5: 2,439,941 km (0.085 R)
• M6: 2,791,047 km (0.064 R)
• M7: 3,567,460 km (0.098 R)
• M8: 4,166,301 km (0.068 R)
• M9: 4,777,558 km (0.105 R)
• M10: 5,142,277 km (0.112 R)
• M11: 5,486,502 km (0.1 R)
• M12: 5,825,790 km (0.052 R)
• M13: 6,157,748 km (0.116 R)
• M14: 6,724,574 km (0.063 R)
• M15: 7,207,476 km (0.119 R)
• M16: 8,038,193 km (0.095 R)
• M17: 9,374,401 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.2

Radius: 11.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.53 AU - 2.51 AU

Year: 1883 Days

Day: 11.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 162.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,082,190 km

• M1: 156,330 km (0.05 R)
• M2: 526,585 km (0.094 R)
• M3: 1,106,875 km (0.07 R)
• M4: 1,519,166 km (0.116 R)
• M5: 2,469,562 km (0.081 R)
• M6: 2,901,600 km (0.079 R)
• M7: 3,615,481 km (0.113 R)
• M8: 5,315,661 km (0.097 R)
• M9: 8,464,098 km (0.035 R)
• M10: 9,370,063 km (0.081 R)
• M11: 9,832,021 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.4

Radius: 14.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.12 AU - 2.54 AU

Year: 2333 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,082,190 km

• M1: 180,415 km (0.083 R)
• M2: 668,852 km (0.095 R)
• M3: 1,192,594 km (0.081 R)
• M4: 1,884,484 km (0.065 R)
• M5: 2,732,555 km (0.091 R)
• M6: 3,262,281 km (0.101 R)
• M7: 3,879,222 km (0.076 R)
• M8: 4,573,656 km (0.086 R)
• M9: 5,029,331 km (0.033 R)
• M10: 7,397,615 km (0.108 R)
• M11: 8,826,873 km (0.062 R)
• M12: 9,677,337 km (0.107 R)
• M13: 12,643,264 km (0.086 R)
• M14: 13,371,955 km (0.112 R)
• M15: 14,038,115 km (0.065 R)
• M16: 15,245,220 km (0.116 R)
• M17: 15,972,415 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.9

Radius: 11.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.47 AU - 2.65 AU

Year: 2687 Days

Day: 14.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,082,190 km

• M1: 153,039 km (0.066 R)
• M2: 819,647 km (0.073 R)
• M3: 1,256,473 km (0.095 R)
• M4: 2,452,657 km (0.097 R)
• M5: 3,400,360 km (0.076 R)
• M6: 3,850,799 km (0.056 R)
• M7: 4,625,566 km (0.048 R)
• M8: 5,339,298 km (0.088 R)
• M9: 5,931,256 km (0.072 R)
• M10: 6,383,341 km (0.105 R)
• M11: 7,246,521 km (0.096 R)

Asteroid Belt

Center: 4.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.3

Radius: 6.9

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.02 AU - 6.34 AU

Year: 10078 Days

Day: 22.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,082,190 km

• M1: 87,664 km (0.075 R)
• M2: 626,516 km (0.093 R)
• M3: 1,094,608 km (0.085 R)
• M4: 1,730,249 km (0.093 R)
• M5: 2,568,745 km (0.114 R)
• M6: 2,815,582 km (0.109 R)
• M7: 8,555,801 km (0.117 R)
• M8: 9,784,150 km (0.119 R)
• M9: 10,912,117 km (0.074 R)
• M10: 11,562,569 km (0.108 R)
• M11: 16,716,964 km (0.11 R)
• M12: 19,397,010 km (0.091 R)
• M13: 22,008,540 km (0.059 R)
• M14: 25,685,057 km (0.088 R)
• M15: 26,159,731 km (0.106 R)
• M16: 27,028,745 km (0.082 R)
• M17: 31,018,071 km (0.075 R)
• M18: 33,208,483 km (0.112 R)
• M19: 43,404,027 km (0.069 R)
• M20: 45,860,574 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.9

Radius: 7.5

Gravity: 16.57 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.87 AU - 7.91 AU

Year: 10596 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 27,082,190 km

• M1: 93,349 km (0.094 R)
• M2: 414,685 km (0.068 R)
• M3: 680,072 km (0.094 R)
• M4: 1,154,148 km (0.094 R)
• M5: 1,566,439 km (0.063 R)
• M6: 1,950,457 km (0.116 R)
• M7: 2,183,830 km (0.046 R)
• M8: 4,724,002 km (0.05 R)
• M9: 5,250,287 km (0.113 R)
• M10: 5,563,096 km (0.118 R)
• M11: 6,264,560 km (0.078 R)
• M12: 6,576,921 km (0.097 R)
• M13: 7,275,393 km (0.112 R)
• M14: 7,664,797 km (0.094 R)
• M15: 8,159,367 km (0.079 R)
• M16: 8,916,631 km (0.026 R)
• M17: 9,875,554 km (0.086 R)
• M18: 10,138,996 km (0.102 R)
• M19: 10,901,646 km (0.098 R)
• M20: 12,540,790 km (0.103 R)
• M21: 14,270,889 km (0.056 R)
• M22: 15,722,138 km (0.086 R)
• M23: 16,081,771 km (0.085 R)
• M24: 17,729,292 km (0.074 R)
• M25: 21,356,442 km (0.086 R)
• M26: 25,647,059 km (0.06 R)
• M27: 26,045,288 km (0.063 R)
• M28: 27,161,737 km (0.067 R)
• M29: 32,874,132 km (0.057 R)
• M30: 40,001,423 km (0.105 R)
• M31: 42,172,837 km (0.036 R)
• M32: 45,720,999 km (0.102 R)
• M33: 51,172,794 km (0.093 R)
• M34: 53,082,112 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41

Radius: 5.4

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.39 AU - 9.37 AU

Year: 17359 Days

Day: 18 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,082,190 km

• M1: 72,405 km (0.068 R)
• M2: 454,778 km (0.062 R)
• M3: 2,925,985 km (0.109 R)
• M4: 4,913,841 km (0.086 R)
• M5: 5,531,232 km (0.101 R)
• M6: 5,815,318 km (0.114 R)
• M7: 6,599,510 km (0.099 R)
• M8: 7,623,956 km (0.111 R)
• M9: 16,834,099 km (0.095 R)
• M10: 19,826,804 km (0.106 R)
• M11: 23,375,714 km (0.102 R)
• M12: 24,722,993 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 14,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit