🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.5

Radius: 14.1

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.68 AU - 0.84 AU

Year: 442 Days

Day: 13 Hours

Environment

Temp: -154 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,003,749 km

• M1: 175,329 km (0.064 R)
• M2: 696,228 km (0.114 R)
• M3: 1,159,234 km (0.112 R)
• M4: 1,621,192 km (0.047 R)
• M5: 2,082,402 km (0.029 R)
• M6: 2,564,556 km (0.105 R)
• M7: 3,012,752 km (0.063 R)
• M8: 3,697,012 km (0.078 R)
• M9: 4,246,036 km (0.116 R)
• M10: 4,970,539 km (0.12 R)
• M11: 5,443,867 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.5

Radius: 8.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.81 AU - 1.19 AU

Year: 667 Days

Day: 12.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,003,749 km

• M1: 108,309 km (0.113 R)
• M2: 410,646 km (0.12 R)
• M3: 688,001 km (0.092 R)
• M4: 963,560 km (0.046 R)
• M5: 1,418,786 km (0.045 R)
• M6: 2,004,163 km (0.102 R)
• M7: 2,317,271 km (0.087 R)
• M8: 2,792,543 km (0.051 R)
• M9: 3,482,638 km (0.107 R)
• M10: 4,254,713 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.6

Radius: 8.5

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.01 AU - 1.67 AU

Year: 1034 Days

Day: 5 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,003,749 km

• M1: 105,766 km (0.055 R)
• M2: 430,991 km (0.118 R)
• M3: 806,033 km (0.057 R)
• M4: 1,920,089 km (0.081 R)
• M5: 2,534,936 km (0.085 R)
• M6: 2,810,196 km (0.107 R)
• M7: 3,175,514 km (0.105 R)
• M8: 3,556,989 km (0.065 R)
• M9: 3,887,151 km (0.115 R)
• M10: 4,255,012 km (0.1 R)
• M11: 4,701,263 km (0.088 R)
• M12: 5,217,675 km (0.116 R)
• M13: 6,140,095 km (0.036 R)
• M14: 6,409,521 km (0.104 R)
• M15: 6,828,544 km (0.12 R)
• M16: 7,118,016 km (0.093 R)
• M17: 7,956,662 km (0.109 R)
• M18: 8,523,638 km (0.101 R)
• M19: 8,803,087 km (0.07 R)
• M20: 10,105,635 km (0.033 R)
• M21: 10,450,458 km (0.068 R)
• M22: 10,835,523 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.3

Radius: 11.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.79 AU - 3.11 AU

Year: 3379 Days

Day: 6.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,003,749 km

• M1: 144,212 km (0.043 R)
• M2: 624,122 km (0.074 R)
• M3: 1,012,778 km (0.102 R)
• M4: 2,452,807 km (0.078 R)
• M5: 2,991,359 km (0.083 R)
• M6: 3,538,887 km (0.076 R)
• M7: 4,076,841 km (0.089 R)
• M8: 5,094,555 km (0.12 R)
• M9: 7,950,528 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.6

Radius: 14.9

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.07 AU - 4.61 AU

Year: 6029 Days

Day: 10.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,003,749 km

• M1: 185,801 km (0.086 R)
• M2: 923,468 km (0.091 R)
• M3: 1,891,366 km (0.08 R)
• M4: 2,725,823 km (0.062 R)
• M5: 3,450,026 km (0.112 R)
• M6: 7,592,092 km (0.099 R)
• M7: 8,491,923 km (0.098 R)
• M8: 10,649,274 km (0.079 R)
• M9: 11,699,900 km (0.074 R)
• M10: 12,290,662 km (0.074 R)
• M11: 13,277,260 km (0.038 R)
• M12: 14,227,505 km (0.069 R)
• M13: 14,992,399 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.8

Radius: 11.6

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.69 AU - 5.95 AU

Year: 7057 Days

Day: 12.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,003,749 km

• M1: 144,212 km (0.099 R)
• M2: 730,935 km (0.07 R)
• M3: 2,268,353 km (0.101 R)
• M4: 2,716,249 km (0.109 R)
• M5: 3,303,271 km (0.065 R)
• M6: 3,950,581 km (0.118 R)
• M7: 4,403,114 km (0.051 R)
• M8: 4,837,247 km (0.074 R)
• M9: 7,036,934 km (0.075 R)
• M10: 8,568,966 km (0.083 R)
• M11: 9,920,583 km (0.05 R)
• M12: 12,431,583 km (0.039 R)
• M13: 12,887,857 km (0.107 R)
• M14: 13,513,624 km (0.118 R)
• M15: 14,159,438 km (0.041 R)
• M16: 16,401,911 km (0.07 R)
• M17: 18,345,785 km (0.104 R)
• M18: 20,160,108 km (0.107 R)
• M19: 22,165,169 km (0.064 R)
• M20: 28,973,816 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.5

Radius: 6

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.19 AU - 7.27 AU

Year: 11643 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,003,749 km

• M1: 118,631 km (0.112 R)
• M2: 679,773 km (0.068 R)
• M3: 1,132,755 km (0.071 R)
• M4: 1,438,234 km (0.099 R)
• M5: 1,960,330 km (0.057 R)
• M6: 2,733,153 km (0.088 R)
• M7: 6,594,723 km (0.115 R)
• M8: 6,985,921 km (0.062 R)
• M9: 7,279,881 km (0.105 R)
• M10: 13,291,920 km (0.091 R)
• M11: 14,918,199 km (0.113 R)
• M12: 15,221,883 km (0.077 R)
• M13: 16,934,030 km (0.065 R)
• M14: 19,053,383 km (0.12 R)
• M15: 19,700,244 km (0.114 R)
• M16: 20,436,116 km (0.085 R)
• M17: 21,190,239 km (0.107 R)
• M18: 22,040,853 km (0.086 R)
• M19: 29,207,638 km (0.084 R)
• M20: 30,357,447 km (0.114 R)
• M21: 30,649,612 km (0.087 R)
• M22: 35,366,732 km (0.104 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: 156 - 17,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit