🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.5

Radius: 10.3

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.88 AU - 0.98 AU

Year: 598 Days

Day: 12.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,117,776 km

• M1: 129,253 km (0.109 R)
• M2: 456,722 km (0.104 R)
• M3: 1,019,659 km (0.118 R)
• M4: 1,515,127 km (0.047 R)
• M5: 1,887,626 km (0.063 R)
• M6: 2,522,968 km (0.087 R)
• M7: 3,097,125 km (0.097 R)
• M8: 3,795,896 km (0.109 R)
• M9: 4,289,121 km (0.112 R)
• M10: 5,304,740 km (0.048 R)
• M11: 5,940,382 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.1

Radius: 8.7

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.87 AU - 1.11 AU

Year: 657 Days

Day: 8.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,117,776 km

• M1: 108,309 km (0.107 R)
• M2: 398,678 km (0.086 R)
• M3: 740,809 km (0.07 R)
• M4: 1,074,412 km (0.09 R)
• M5: 1,345,334 km (0.102 R)
• M6: 1,787,545 km (0.042 R)
• M7: 2,285,706 km (0.12 R)
• M8: 3,138,563 km (0.095 R)
• M9: 4,779,203 km (0.092 R)
• M10: 5,086,178 km (0.08 R)
• M11: 5,633,108 km (0.091 R)
• M12: 5,939,335 km (0.111 R)
• M13: 6,294,630 km (0.112 R)
• M14: 6,703,929 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88

Radius: 11.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.17 AU - 1.29 AU

Year: 910 Days

Day: 12 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,117,776 km

• M1: 152,291 km (0.056 R)
• M2: 524,041 km (0.083 R)
• M3: 893,997 km (0.118 R)
• M4: 1,333,216 km (0.088 R)
• M5: 1,866,682 km (0.117 R)
• M6: 2,398,652 km (0.075 R)
• M7: 3,250,014 km (0.079 R)
• M8: 3,734,412 km (0.069 R)
• M9: 4,176,773 km (0.029 R)
• M10: 4,572,010 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.1

Radius: 10.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.53 AU - 6.59 AU

Year: 8743 Days

Day: 14 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,117,776 km

• M1: 128,056 km (0.091 R)
• M2: 882,328 km (0.117 R)
• M3: 1,541,456 km (0.071 R)
• M4: 2,155,406 km (0.073 R)
• M5: 4,740,906 km (0.108 R)
• M6: 7,071,791 km (0.098 R)
• M7: 8,069,160 km (0.051 R)
• M8: 9,198,324 km (0.076 R)
• M9: 9,527,589 km (0.1 R)
• M10: 10,297,420 km (0.088 R)
• M11: 12,503,240 km (0.059 R)
• M12: 13,010,377 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.8

Radius: 7.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.45 AU - 10.83 AU

Year: 18427 Days

Day: 24.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,117,776 km

• M1: 97,687 km (0.082 R)
• M2: 359,035 km (0.099 R)
• M3: 1,563,597 km (0.093 R)
• M4: 2,411,667 km (0.062 R)
• M5: 3,002,130 km (0.087 R)
• M6: 4,049,914 km (0.118 R)
• M7: 4,467,441 km (0.047 R)
• M8: 5,068,525 km (0.114 R)
• M9: 7,077,774 km (0.054 R)
• M10: 7,851,495 km (0.1 R)
• M11: 9,907,568 km (0.104 R)
• M12: 12,355,139 km (0.069 R)
• M13: 19,706,976 km (0.063 R)
• M14: 21,149,399 km (0.109 R)
• M15: 37,071,100 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.4

Radius: 8

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.33 AU - 9.69 AU

Year: 19557 Days

Day: 19.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,117,776 km

• M1: 99,483 km (0.039 R)
• M2: 355,594 km (0.092 R)
• M3: 632,949 km (0.049 R)
• M4: 1,138,141 km (0.074 R)
• M5: 2,087,040 km (0.114 R)
• M6: 2,453,555 km (0.09 R)
• M7: 3,043,718 km (0.084 R)
• M8: 3,786,173 km (0.071 R)
• M9: 4,469,685 km (0.09 R)
• M10: 4,859,238 km (0.116 R)
• M11: 5,912,108 km (0.12 R)
• M12: 6,693,906 km (0.1 R)
• M13: 7,396,418 km (0.106 R)
• M14: 7,942,301 km (0.112 R)
• M15: 8,251,220 km (0.112 R)
• M16: 10,095,762 km (0.106 R)
• M17: 13,174,636 km (0.099 R)
• M18: 13,902,130 km (0.116 R)
• M19: 17,167,403 km (0.101 R)
• M20: 22,406,320 km (0.094 R)
• M21: 25,720,661 km (0.117 R)
• M22: 26,170,801 km (0.113 R)
• M23: 26,855,810 km (0.11 R)
• M24: 27,202,727 km (0.079 R)
• M25: 28,380,960 km (0.114 R)
• M26: 30,087,273 km (0.098 R)
• M27: 31,219,430 km (0.058 R)
• M28: 38,910,855 km (0.099 R)
• M29: 41,320,129 km (0.112 R)
• M30: 42,248,832 km (0.068 R)
• M31: 43,827,239 km (0.072 R)
• M32: 46,268,078 km (0.07 R)
• M33: 48,284,807 km (0.047 R)
• M34: 50,009,671 km (0.054 R)
• M35: 52,492,995 km (0.057 R)
• M36: 52,854,274 km (0.12 R)
• M37: 54,500,898 km (0.104 R)
• M38: 56,559,365 km (0.029 R)
• M39: 59,058,397 km (0.043 R)
• M40: 65,312,785 km (0.098 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: 481 - 19,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit