🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.2

Radius: 15

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.86 AU - 1.38 AU

Year: 804 Days

Day: 7.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,739,456 km

• M1: 186,698 km (0.111 R)
• M2: 760,256 km (0.05 R)
• M3: 1,437,486 km (0.1 R)
• M4: 3,317,183 km (0.089 R)
• M5: 5,055,959 km (0.1 R)
• M6: 5,630,864 km (0.1 R)
• M7: 6,208,012 km (0.102 R)
• M8: 6,890,777 km (0.113 R)
• M9: 8,082,324 km (0.105 R)
• M10: 8,662,913 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217

Radius: 13.2

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.41 AU - 2.15 AU

Year: 1611 Days

Day: 11.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,739,456 km

• M1: 164,109 km (0.092 R)
• M2: 593,156 km (0.092 R)
• M3: 1,095,804 km (0.093 R)
• M4: 1,524,552 km (0.1 R)
• M5: 2,269,848 km (0.109 R)
• M6: 3,596,333 km (0.106 R)
• M7: 4,064,574 km (0.108 R)
• M8: 4,488,535 km (0.059 R)
• M9: 5,962,822 km (0.053 R)
• M10: 7,189,075 km (0.109 R)
• M11: 7,936,915 km (0.087 R)
• M12: 9,224,055 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.6

Radius: 11.7

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.87 AU - 2.31 AU

Year: 2049 Days

Day: 14.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,739,456 km

• M1: 146,307 km (0.112 R)
• M2: 607,068 km (0.073 R)
• M3: 1,419,235 km (0.071 R)
• M4: 1,896,602 km (0.078 R)
• M5: 2,480,333 km (0.109 R)
• M6: 2,970,715 km (0.081 R)
• M7: 3,437,011 km (0.09 R)
• M8: 5,207,352 km (0.103 R)
• M9: 5,638,942 km (0.117 R)
• M10: 6,465,470 km (0.098 R)
• M11: 6,880,006 km (0.085 R)
• M12: 8,041,484 km (0.105 R)
• M13: 10,261,367 km (0.088 R)
• M14: 11,019,828 km (0.073 R)
• M15: 11,815,240 km (0.052 R)
• M16: 12,185,495 km (0.116 R)
• M17: 13,035,958 km (0.063 R)
• M18: 13,789,782 km (0.065 R)
• M19: 15,530,503 km (0.111 R)
• M20: 17,786,140 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316

Radius: 13.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.84 AU - 3.24 AU

Year: 3595 Days

Day: 9 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,739,456 km

• M1: 169,195 km (0.103 R)
• M2: 640,728 km (0.12 R)
• M3: 1,179,280 km (0.073 R)
• M4: 1,998,927 km (0.091 R)
• M5: 3,341,418 km (0.112 R)
• M6: 4,058,291 km (0.089 R)
• M7: 4,634,542 km (0.076 R)
• M8: 5,148,411 km (0.099 R)
• M9: 5,850,773 km (0.117 R)
• M10: 6,561,213 km (0.117 R)
• M11: 7,299,179 km (0.117 R)
• M12: 8,347,112 km (0.118 R)
• M13: 8,840,337 km (0.041 R)
• M14: 9,705,611 km (0.087 R)
• M15: 10,177,592 km (0.102 R)
• M16: 10,741,127 km (0.085 R)
• M17: 11,848,899 km (0.115 R)
• M18: 12,430,685 km (0.08 R)
• M19: 16,331,450 km (0.112 R)
• M20: 16,896,332 km (0.115 R)
• M21: 17,902,976 km (0.1 R)
• M22: 18,448,559 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.9

Radius: 8.6

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.99 AU - 3.71 AU

Year: 4159 Days

Day: 5.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,739,456 km

• M1: 108,758 km (0.064 R)
• M2: 880,832 km (0.118 R)
• M3: 1,322,894 km (0.039 R)
• M4: 3,059,276 km (0.09 R)
• M5: 3,389,738 km (0.11 R)
• M6: 5,276,915 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.2

Radius: 4.9

Gravity: 29.62 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.89 AU - 8.15 AU

Year: 15405 Days

Day: 22.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,739,456 km

• M1: 61,186 km (0.069 R)
• M2: 330,910 km (0.101 R)
• M3: 642,972 km (0.103 R)
• M4: 1,480,720 km (0.103 R)
• M5: 2,514,441 km (0.101 R)
• M6: 2,786,709 km (0.119 R)
• M7: 2,954,558 km (0.096 R)
• M8: 3,180,301 km (0.079 R)
• M9: 4,138,625 km (0.1 R)
• M10: 4,518,604 km (0.116 R)
• M11: 4,991,034 km (0.092 R)
• M12: 5,608,125 km (0.119 R)
• M13: 5,994,087 km (0.051 R)
• M14: 7,810,954 km (0.117 R)
• M15: 8,292,210 km (0.11 R)
• M16: 14,597,760 km (0.074 R)
• M17: 19,952,616 km (0.091 R)
• M18: 23,702,586 km (0.063 R)
• M19: 23,901,551 km (0.105 R)
• M20: 24,202,093 km (0.082 R)
• M21: 33,927,002 km (0.099 R)
• M22: 56,218,132 km (0.104 R)
• M23: 60,749,751 km (0.103 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: 544 - 11,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit