🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.7

Radius: 12.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.98 AU - 1.16 AU

Year: 751 Days

Day: 9.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,632,641 km

• M1: 153,039 km (0.11 R)
• M2: 561,291 km (0.038 R)
• M3: 1,117,346 km (0.066 R)
• M4: 1,788,143 km (0.043 R)
• M5: 2,355,718 km (0.096 R)
• M6: 3,168,034 km (0.108 R)
• M7: 3,698,209 km (0.08 R)
• M8: 4,703,955 km (0.064 R)
• M9: 6,361,949 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.8

Radius: 12.2

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.89 AU - 1.43 AU

Year: 847 Days

Day: 14.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,632,641 km

• M1: 152,291 km (0.088 R)
• M2: 538,403 km (0.102 R)
• M3: 1,040,154 km (0.119 R)
• M4: 1,629,570 km (0.049 R)
• M5: 2,092,874 km (0.114 R)
• M6: 2,500,080 km (0.113 R)
• M7: 2,897,412 km (0.11 R)
• M8: 3,897,922 km (0.112 R)
• M9: 4,310,962 km (0.078 R)
• M10: 4,932,391 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.8

Radius: 12

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.17 AU - 1.49 AU

Year: 1040 Days

Day: 9 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,632,641 km

• M1: 152,291 km (0.098 R)
• M2: 607,966 km (0.098 R)
• M3: 1,118,842 km (0.101 R)
• M4: 1,770,192 km (0.079 R)
• M5: 2,339,561 km (0.107 R)
• M6: 2,721,335 km (0.116 R)
• M7: 3,184,490 km (0.119 R)
• M8: 3,909,740 km (0.058 R)
• M9: 4,972,184 km (0.074 R)
• M10: 5,688,908 km (0.028 R)
• M11: 6,647,232 km (0.089 R)
• M12: 7,119,213 km (0.027 R)
• M13: 7,517,742 km (0.098 R)
• M14: 8,436,722 km (0.108 R)
• M15: 8,990,832 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.2

Radius: 13.1

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.25 AU - 2.47 AU

Year: 2459 Days

Day: 15 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,632,641 km

• M1: 165,306 km (0.067 R)
• M2: 574,007 km (0.108 R)
• M3: 1,014,423 km (0.11 R)
• M4: 1,596,658 km (0.058 R)
• M5: 2,482,277 km (0.032 R)
• M6: 2,922,694 km (0.077 R)
• M7: 3,397,816 km (0.118 R)
• M8: 3,826,564 km (0.078 R)
• M9: 4,549,122 km (0.119 R)
• M10: 5,559,506 km (0.083 R)
• M11: 6,628,831 km (0.074 R)
• M12: 7,333,587 km (0.087 R)
• M13: 8,551,313 km (0.049 R)
• M14: 10,940,541 km (0.109 R)
• M15: 11,715,907 km (0.117 R)
• M16: 12,483,942 km (0.07 R)
• M17: 13,606,226 km (0.08 R)
• M18: 16,206,237 km (0.087 R)
• M19: 20,247,025 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.2

Radius: 7.8

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.03 AU - 7.55 AU

Year: 12000 Days

Day: 20.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,632,641 km

• M1: 121,324 km (0.076 R)
• M2: 618,737 km (0.064 R)
• M3: 1,192,145 km (0.093 R)
• M4: 1,548,787 km (0.079 R)
• M5: 1,841,400 km (0.093 R)
• M6: 2,498,883 km (0.042 R)
• M7: 2,837,572 km (0.096 R)
• M8: 3,607,253 km (0.068 R)
• M9: 4,183,654 km (0.034 R)
• M10: 5,111,610 km (0.119 R)
• M11: 5,874,708 km (0.074 R)
• M12: 6,437,047 km (0.055 R)
• M13: 12,359,626 km (0.114 R)
• M14: 13,535,615 km (0.075 R)
• M15: 13,792,325 km (0.068 R)
• M16: 14,582,202 km (0.119 R)
• M17: 17,891,307 km (0.057 R)
• M18: 24,877,228 km (0.082 R)
• M19: 27,661,394 km (0.083 R)
• M20: 33,957,819 km (0.063 R)
• M21: 50,355,391 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521

Radius: 7.3

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.61 AU - 9.23 AU

Year: 15117 Days

Day: 22.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,632,641 km

• M1: 91,105 km (0.101 R)
• M2: 437,723 km (0.117 R)
• M3: 1,102,088 km (0.1 R)
• M4: 1,755,681 km (0.088 R)
• M5: 2,084,347 km (0.114 R)
• M6: 2,352,427 km (0.074 R)
• M7: 2,621,852 km (0.059 R)
• M8: 3,101,014 km (0.028 R)
• M9: 4,144,310 km (0.059 R)
• M10: 4,384,414 km (0.111 R)
• M11: 4,762,149 km (0.103 R)
• M12: 9,405,517 km (0.052 R)
• M13: 10,034,576 km (0.116 R)
• M14: 10,524,360 km (0.072 R)
• M15: 10,803,360 km (0.12 R)
• M16: 11,729,371 km (0.109 R)
• M17: 12,150,638 km (0.071 R)
• M18: 12,519,846 km (0.077 R)
• M19: 14,274,330 km (0.094 R)
• M20: 15,245,818 km (0.083 R)
• M21: 17,945,312 km (0.119 R)
• M22: 19,491,256 km (0.049 R)
• M23: 22,660,038 km (0.062 R)
• M24: 23,979,940 km (0.095 R)
• M25: 27,397,354 km (0.119 R)
• M26: 30,670,855 km (0.112 R)
• M27: 34,196,128 km (0.08 R)
• M28: 34,685,613 km (0.081 R)
• M29: 39,037,265 km (0.12 R)
• M30: 41,205,387 km (0.104 R)
• M31: 43,452,646 km (0.11 R)
• M32: 44,606,345 km (0.109 R)
• M33: 47,428,060 km (0.092 R)
• M34: 56,262,712 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 12,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit