🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.8

Radius: 13.9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.73 AU - 1.19 AU

Year: 649 Days

Day: 11.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,192,950 km

• M1: 173,085 km (0.119 R)
• M2: 645,216 km (0.087 R)
• M3: 1,403,677 km (0.082 R)
• M4: 1,945,371 km (0.096 R)
• M5: 2,413,014 km (0.117 R)
• M6: 2,956,204 km (0.118 R)
• M7: 3,837,335 km (0.047 R)
• M8: 4,485,094 km (0.071 R)
• M9: 5,251,334 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.7

Radius: 8.1

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.34 AU - 1.36 AU

Year: 1083 Days

Day: 5.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,192,950 km

• M1: 100,679 km (0.071 R)
• M2: 415,882 km (0.097 R)
• M3: 1,190,949 km (0.075 R)
• M4: 1,731,895 km (0.059 R)
• M5: 2,129,376 km (0.108 R)
• M6: 2,540,621 km (0.081 R)
• M7: 3,638,669 km (0.063 R)
• M8: 3,894,781 km (0.048 R)
• M9: 4,195,472 km (0.096 R)
• M10: 4,649,502 km (0.115 R)
• M11: 4,969,940 km (0.056 R)
• M12: 5,381,783 km (0.115 R)
• M13: 5,836,561 km (0.085 R)
• M14: 6,732,802 km (0.109 R)
• M15: 7,474,957 km (0.051 R)
• M16: 7,866,006 km (0.108 R)
• M17: 8,822,834 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.1

Radius: 8.1

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.45 AU - 1.73 AU

Year: 1384 Days

Day: 11.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,192,950 km

• M1: 102,923 km (0.091 R)
• M2: 595,250 km (0.047 R)
• M3: 1,085,781 km (0.108 R)
• M4: 2,120,999 km (0.086 R)
• M5: 3,055,537 km (0.108 R)
• M6: 3,400,659 km (0.108 R)
• M7: 4,858,041 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.8

Radius: 8.8

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.82 AU - 1.96 AU

Year: 1794 Days

Day: 14.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,192,950 km

• M1: 109,805 km (0.069 R)
• M2: 385,813 km (0.115 R)
• M3: 700,716 km (0.064 R)
• M4: 1,071,270 km (0.082 R)
• M5: 1,948,213 km (0.102 R)
• M6: 3,273,949 km (0.091 R)
• M7: 3,803,227 km (0.065 R)
• M8: 4,329,213 km (0.076 R)
• M9: 4,651,147 km (0.109 R)
• M10: 6,028,046 km (0.11 R)
• M11: 6,931,169 km (0.075 R)
• M12: 7,288,707 km (0.1 R)
• M13: 9,199,072 km (0.074 R)
• M14: 10,358,157 km (0.032 R)
• M15: 14,109,622 km (0.082 R)
• M16: 14,595,367 km (0.079 R)
• M17: 15,275,738 km (0.113 R)
• M18: 15,787,961 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.7

Radius: 5.6

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.34 AU - 12.6 AU

Year: 23385 Days

Day: 22.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,192,950 km

• M1: 69,862 km (0.105 R)
• M2: 466,895 km (0.071 R)
• M3: 727,943 km (0.095 R)
• M4: 1,212,491 km (0.054 R)
• M5: 1,486,404 km (0.085 R)
• M6: 2,540,172 km (0.107 R)
• M7: 3,015,594 km (0.114 R)
• M8: 4,973,980 km (0.065 R)
• M9: 5,485,904 km (0.09 R)
• M10: 6,486,564 km (0.089 R)
• M11: 7,650,734 km (0.092 R)
• M12: 8,084,269 km (0.093 R)
• M13: 11,527,713 km (0.106 R)
• M14: 16,070,850 km (0.064 R)
• M15: 16,701,256 km (0.118 R)
• M16: 18,434,796 km (0.075 R)
• M17: 23,436,002 km (0.11 R)
• M18: 24,246,224 km (0.112 R)
• M19: 25,285,182 km (0.108 R)
• M20: 28,579,925 km (0.089 R)
• M21: 29,387,754 km (0.113 R)
• M22: 30,568,231 km (0.11 R)
• M23: 41,171,877 km (0.105 R)
• M24: 46,970,141 km (0.044 R)
• M25: 65,570,542 km (0.12 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 15,147 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit