🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.6

Radius: 8.3

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.61 AU - 0.85 AU

Year: 438 Days

Day: 12.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,284,141 km

• M1: 103,372 km (0.081 R)
• M2: 363,224 km (0.046 R)
• M3: 749,336 km (0.082 R)
• M4: 1,127,370 km (0.084 R)
• M5: 1,650,364 km (0.108 R)
• M6: 1,922,333 km (0.101 R)
• M7: 2,558,423 km (0.082 R)
• M8: 2,835,628 km (0.047 R)
• M9: 3,229,369 km (0.032 R)
• M10: 3,530,959 km (0.117 R)
• M11: 4,025,080 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.2

Radius: 11.7

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.97 AU - 1.13 AU

Year: 756 Days

Day: 13.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,284,141 km

• M1: 146,008 km (0.119 R)
• M2: 524,041 km (0.037 R)
• M3: 1,042,847 km (0.071 R)
• M4: 1,672,953 km (0.114 R)
• M5: 2,105,291 km (0.097 R)
• M6: 2,478,388 km (0.061 R)
• M7: 4,120,075 km (0.108 R)
• M8: 4,990,585 km (0.093 R)
• M9: 5,623,384 km (0.061 R)
• M10: 5,999,922 km (0.112 R)
• M11: 6,585,597 km (0.05 R)
• M12: 7,163,344 km (0.032 R)
• M13: 7,678,410 km (0.052 R)
• M14: 8,093,095 km (0.105 R)
• M15: 8,574,352 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.3

Radius: 8.3

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.19 AU - 1.29 AU

Year: 971 Days

Day: 6.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 82.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,284,141 km

• M1: 103,223 km (0.055 R)
• M2: 373,097 km (0.064 R)
• M3: 749,485 km (0.084 R)
• M4: 1,094,907 km (0.057 R)
• M5: 1,587,084 km (0.059 R)
• M6: 1,870,871 km (0.085 R)
• M7: 2,230,654 km (0.109 R)
• M8: 2,946,480 km (0.1 R)
• M9: 3,407,391 km (0.025 R)
• M10: 3,730,672 km (0.114 R)
• M11: 4,026,427 km (0.106 R)
• M12: 4,304,230 km (0.083 R)
• M13: 4,647,407 km (0.096 R)
• M14: 5,008,836 km (0.108 R)
• M15: 5,974,341 km (0.092 R)
• M16: 7,129,087 km (0.087 R)
• M17: 8,452,728 km (0.094 R)
• M18: 8,882,673 km (0.074 R)
• M19: 9,554,816 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.4

Radius: 12.7

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.27 AU - 1.73 AU

Year: 1291 Days

Day: 13 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,284,141 km

• M1: 157,975 km (0.084 R)
• M2: 565,181 km (0.088 R)
• M3: 1,489,396 km (0.12 R)
• M4: 1,894,956 km (0.05 R)
• M5: 2,440,988 km (0.1 R)
• M6: 3,733,514 km (0.116 R)
• M7: 4,480,456 km (0.114 R)
• M8: 6,166,574 km (0.079 R)
• M9: 6,820,765 km (0.065 R)
• M10: 7,988,377 km (0.069 R)
• M11: 8,527,976 km (0.113 R)
• M12: 9,680,329 km (0.054 R)

Asteroid Belt

Center: 2.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.4

Radius: 11.6

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.43 AU - 2.89 AU

Year: 3050 Days

Day: 6.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,284,141 km

• M1: 151,543 km (0.113 R)
• M2: 537,954 km (0.026 R)
• M3: 961,914 km (0.101 R)
• M4: 1,715,439 km (0.109 R)
• M5: 2,879,011 km (0.119 R)
• M6: 3,422,201 km (0.105 R)
• M7: 3,950,132 km (0.046 R)
• M8: 4,464,449 km (0.107 R)
• M9: 5,023,347 km (0.112 R)
• M10: 6,281,465 km (0.098 R)
• M11: 6,833,780 km (0.101 R)
• M12: 8,408,896 km (0.073 R)
• M13: 9,300,051 km (0.108 R)
• M14: 10,491,149 km (0.092 R)
• M15: 11,396,366 km (0.052 R)
• M16: 12,263,734 km (0.07 R)
• M17: 15,182,389 km (0.096 R)
• M18: 15,701,493 km (0.065 R)
• M19: 18,069,777 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.8

Radius: 7.3

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.84 AU - 7.68 AU

Year: 11010 Days

Day: 21.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,284,141 km

• M1: 93,349 km (0.106 R)
• M2: 392,844 km (0.114 R)
• M3: 865,723 km (0.045 R)
• M4: 2,430,666 km (0.11 R)
• M5: 2,686,030 km (0.11 R)
• M6: 3,003,028 km (0.073 R)
• M7: 5,761,612 km (0.082 R)
• M8: 8,735,768 km (0.105 R)
• M9: 10,068,535 km (0.059 R)
• M10: 10,940,990 km (0.108 R)
• M11: 13,492,232 km (0.084 R)
• M12: 15,003,320 km (0.118 R)
• M13: 18,060,801 km (0.055 R)
• M14: 21,927,757 km (0.071 R)
• M15: 23,741,780 km (0.09 R)
• M16: 28,559,580 km (0.116 R)
• M17: 32,986,031 km (0.119 R)
• M18: 35,710,209 km (0.059 R)
• M19: 37,970,483 km (0.12 R)
• M20: 40,832,140 km (0.1 R)
• M21: 44,776,438 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 13,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit