🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.8

Radius: 15

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.92 AU - 1.08 AU

Year: 703 Days

Day: 7.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,098,110 km

• M1: 187,147 km (0.108 R)
• M2: 756,965 km (0.062 R)
• M3: 1,244,953 km (0.117 R)
• M4: 1,722,769 km (0.09 R)
• M5: 2,801,968 km (0.108 R)
• M6: 3,282,776 km (0.12 R)
• M7: 3,968,981 km (0.057 R)
• M8: 4,610,307 km (0.109 R)
• M9: 5,185,960 km (0.096 R)
• M10: 5,666,618 km (0.095 R)
• M11: 6,502,271 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 8.9

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.47 AU - 1.95 AU

Year: 1572 Days

Day: 11.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,098,110 km

• M1: 119,678 km (0.071 R)
• M2: 511,026 km (0.106 R)
• M3: 1,059,751 km (0.106 R)
• M4: 1,726,958 km (0.077 R)
• M5: 2,381,000 km (0.052 R)
• M6: 2,690,667 km (0.106 R)
• M7: 3,313,892 km (0.119 R)
• M8: 4,137,877 km (0.055 R)
• M9: 4,866,120 km (0.029 R)
• M10: 5,997,827 km (0.026 R)
• M11: 7,322,965 km (0.06 R)
• M12: 8,212,026 km (0.11 R)
• M13: 8,863,823 km (0.11 R)
• M14: 9,677,935 km (0.088 R)
• M15: 10,473,048 km (0.092 R)
• M16: 12,155,126 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.9

Radius: 10.1

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.85 AU - 2.09 AU

Year: 1944 Days

Day: 12.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,098,110 km

• M1: 125,662 km (0.054 R)
• M2: 496,665 km (0.11 R)
• M3: 906,563 km (0.03 R)
• M4: 1,428,211 km (0.101 R)
• M5: 2,008,202 km (0.109 R)
• M6: 2,373,819 km (0.052 R)
• M7: 2,739,137 km (0.075 R)
• M8: 3,061,670 km (0.116 R)
• M9: 3,620,418 km (0.098 R)
• M10: 4,469,685 km (0.108 R)
• M11: 5,663,027 km (0.108 R)
• M12: 7,668,088 km (0.108 R)
• M13: 8,219,805 km (0.062 R)
• M14: 11,190,070 km (0.085 R)
• M15: 11,541,625 km (0.088 R)
• M16: 12,431,733 km (0.081 R)
• M17: 12,808,869 km (0.03 R)
• M18: 15,234,449 km (0.048 R)
• M19: 16,354,937 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.9

Radius: 10.3

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.79 AU - 2.89 AU

Year: 3364 Days

Day: 7.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,098,110 km

• M1: 128,056 km (0.081 R)
• M2: 490,083 km (0.071 R)
• M3: 936,931 km (0.069 R)
• M4: 1,322,744 km (0.059 R)
• M5: 1,737,579 km (0.077 R)
• M6: 2,111,275 km (0.064 R)
• M7: 3,088,448 km (0.065 R)
• M8: 3,551,453 km (0.102 R)
• M9: 4,489,432 km (0.07 R)
• M10: 5,783,454 km (0.036 R)
• M11: 7,164,541 km (0.101 R)
• M12: 7,609,744 km (0.099 R)
• M13: 8,200,207 km (0.119 R)
• M14: 9,402,525 km (0.102 R)
• M15: 11,381,107 km (0.057 R)
• M16: 11,783,375 km (0.095 R)
• M17: 12,531,664 km (0.069 R)
• M18: 13,803,246 km (0.076 R)
• M19: 14,307,391 km (0.118 R)
• M20: 16,194,568 km (0.114 R)
• M21: 16,652,637 km (0.111 R)
• M22: 17,014,813 km (0.079 R)
• M23: 18,296,867 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.1

Radius: 13.7

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.27 AU - 3.78 AU

Year: 3689 Days

Day: 12 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,098,110 km

• M1: 170,392 km (0.119 R)
• M2: 602,879 km (0.079 R)
• M3: 1,218,475 km (0.063 R)
• M4: 2,059,514 km (0.075 R)
• M5: 2,558,572 km (0.089 R)
• M6: 3,630,292 km (0.053 R)
• M7: 4,068,912 km (0.096 R)
• M8: 4,958,721 km (0.085 R)
• M9: 5,787,194 km (0.076 R)
• M10: 6,417,749 km (0.118 R)
• M11: 10,924,983 km (0.094 R)
• M12: 11,464,134 km (0.109 R)
• M13: 12,283,780 km (0.1 R)
• M14: 12,730,779 km (0.075 R)
• M15: 14,137,298 km (0.097 R)
• M16: 18,161,780 km (0.056 R)
• M17: 21,900,829 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.4

Radius: 4.1

Gravity: 20.79 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.59 AU - 8.05 AU

Year: 15372 Days

Day: 15.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,098,110 km

• M1: 52,210 km (0.073 R)
• M2: 301,290 km (0.071 R)
• M3: 434,731 km (0.092 R)
• M4: 647,011 km (0.08 R)
• M5: 1,110,764 km (0.05 R)
• M6: 1,736,532 km (0.092 R)
• M7: 2,089,433 km (0.094 R)
• M8: 4,541,492 km (0.048 R)
• M9: 6,731,605 km (0.105 R)
• M10: 7,810,654 km (0.101 R)
• M11: 9,242,156 km (0.088 R)
• M12: 11,846,805 km (0.116 R)
• M13: 14,835,172 km (0.104 R)
• M14: 15,584,358 km (0.08 R)
• M15: 17,530,028 km (0.106 R)
• M16: 18,913,360 km (0.113 R)
• M17: 22,156,941 km (0.058 R)
• M18: 24,420,207 km (0.092 R)
• M19: 25,655,885 km (0.098 R)
• M20: 31,901,746 km (0.105 R)
• M21: 34,424,265 km (0.084 R)
• M22: 34,778,214 km (0.12 R)
• M23: 41,571,453 km (0.104 R)
• M24: 44,715,103 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.3

Radius: 7.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.22 AU - 8.24 AU

Year: 16596 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,098,110 km

• M1: 97,837 km (0.088 R)
• M2: 647,908 km (0.084 R)
• M3: 1,086,081 km (0.116 R)
• M4: 1,451,099 km (0.111 R)
• M5: 2,063,852 km (0.078 R)
• M6: 3,227,424 km (0.096 R)
• M7: 4,890,654 km (0.109 R)
• M8: 5,150,954 km (0.07 R)
• M9: 5,451,197 km (0.08 R)
• M10: 6,735,195 km (0.116 R)
• M11: 13,172,990 km (0.051 R)
• M12: 13,792,774 km (0.076 R)
• M13: 15,644,497 km (0.059 R)
• M14: 19,615,572 km (0.092 R)
• M15: 21,101,228 km (0.12 R)
• M16: 21,561,092 km (0.108 R)
• M17: 22,263,454 km (0.096 R)
• M18: 22,660,337 km (0.039 R)
• M19: 30,244,800 km (0.094 R)
• M20: 31,026,150 km (0.079 R)
• M21: 35,135,753 km (0.095 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 19,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit