🌌 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: 720.1

Radius: 13.5

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.7 AU - 0.76 AU

Year: 416 Days

Day: 13.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,886,472 km

• M1: 167,998 km (0.07 R)
• M2: 675,434 km (0.062 R)
• M3: 1,144,723 km (0.114 R)
• M4: 1,622,987 km (0.1 R)
• M5: 2,067,443 km (0.086 R)
• M6: 2,712,060 km (0.083 R)
• M7: 3,948,935 km (0.101 R)
• M8: 4,607,465 km (0.116 R)
• M9: 5,370,564 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.6

Radius: 11.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.92 AU - 3.62 AU

Year: 3943 Days

Day: 11.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,886,472 km

• M1: 139,425 km (0.099 R)
• M2: 945,459 km (0.08 R)
• M3: 1,923,529 km (0.095 R)
• M4: 2,475,097 km (0.087 R)
• M5: 2,899,805 km (0.077 R)
• M6: 3,858,279 km (0.119 R)
• M7: 4,368,407 km (0.086 R)
• M8: 4,785,935 km (0.07 R)
• M9: 5,254,176 km (0.068 R)
• M10: 5,778,667 km (0.101 R)
• M11: 6,730,259 km (0.117 R)
• M12: 7,626,499 km (0.066 R)
• M13: 8,103,567 km (0.106 R)
• M14: 8,977,817 km (0.101 R)
• M15: 9,950,951 km (0.055 R)
• M16: 10,328,835 km (0.079 R)
• M17: 11,033,142 km (0.108 R)
• M18: 12,064,021 km (0.1 R)
• M19: 16,415,524 km (0.106 R)
• M20: 18,146,521 km (0.028 R)
• M21: 18,825,994 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.2

Radius: 12.9

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.63 AU - 3.71 AU

Year: 4688 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,886,472 km

• M1: 167,101 km (0.086 R)
• M2: 696,528 km (0.086 R)
• M3: 1,111,063 km (0.089 R)
• M4: 2,457,295 km (0.111 R)
• M5: 2,957,999 km (0.087 R)
• M6: 4,209,983 km (0.068 R)
• M7: 4,744,347 km (0.115 R)
• M8: 6,337,714 km (0.041 R)
• M9: 6,861,007 km (0.093 R)
• M10: 7,539,882 km (0.11 R)
• M11: 8,061,380 km (0.071 R)
• M12: 8,606,814 km (0.113 R)
• M13: 9,583,389 km (0.101 R)
• M14: 12,458,959 km (0.119 R)
• M15: 14,044,996 km (0.101 R)
• M16: 16,725,640 km (0.079 R)
• M17: 17,899,086 km (0.101 R)
• M18: 19,126,686 km (0.107 R)
• M19: 20,534,851 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.5

Radius: 11.1

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.24 AU - 4.62 AU

Year: 5195 Days

Day: 12.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,886,472 km

• M1: 183,557 km (0.047 R)
• M2: 546,930 km (0.093 R)
• M3: 1,015,919 km (0.112 R)
• M4: 1,858,155 km (0.077 R)
• M5: 2,613,176 km (0.111 R)
• M6: 3,974,516 km (0.107 R)
• M7: 6,995,196 km (0.106 R)
• M8: 7,733,462 km (0.054 R)
• M9: 10,731,104 km (0.099 R)
• M10: 11,214,754 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.5

Radius: 13.1

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.07 AU - 4.67 AU

Year: 6092 Days

Day: 12.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 96.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,886,472 km

• M1: 164,258 km (0.089 R)
• M2: 837,299 km (0.092 R)
• M3: 1,289,234 km (0.098 R)
• M4: 1,806,544 km (0.105 R)
• M5: 2,431,265 km (0.109 R)
• M6: 4,029,568 km (0.113 R)
• M7: 4,438,718 km (0.045 R)
• M8: 5,613,062 km (0.095 R)
• M9: 7,244,576 km (0.093 R)
• M10: 8,422,659 km (0.092 R)
• M11: 10,381,943 km (0.105 R)
• M12: 11,333,983 km (0.087 R)
• M13: 12,438,016 km (0.112 R)
• M14: 15,182,987 km (0.113 R)
• M15: 17,760,858 km (0.109 R)
• M16: 20,220,546 km (0.112 R)
• M17: 22,190,899 km (0.107 R)
• M18: 22,756,230 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.3

Radius: 9.8

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.81 AU - 5.25 AU

Year: 6429 Days

Day: 6.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 77.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 27,886,472 km

• M1: 122,670 km (0.094 R)
• M2: 496,216 km (0.111 R)
• M3: 989,740 km (0.104 R)
• M4: 1,332,767 km (0.026 R)
• M5: 1,979,928 km (0.054 R)
• M6: 2,685,880 km (0.093 R)
• M7: 4,093,746 km (0.109 R)
• M8: 4,518,155 km (0.115 R)
• M9: 4,842,782 km (0.069 R)
• M10: 5,940,980 km (0.092 R)
• M11: 7,163,943 km (0.038 R)
• M12: 7,676,615 km (0.106 R)
• M13: 8,140,368 km (0.105 R)
• M14: 8,472,475 km (0.114 R)
• M15: 9,322,341 km (0.1 R)
• M16: 10,313,128 km (0.082 R)
• M17: 11,101,359 km (0.088 R)
• M18: 11,929,084 km (0.091 R)
• M19: 13,450,195 km (0.117 R)
• M20: 17,293,514 km (0.092 R)
• M21: 18,468,007 km (0.113 R)
• M22: 19,629,185 km (0.092 R)
• M23: 20,227,577 km (0.096 R)
• M24: 23,701,688 km (0.036 R)
• M25: 24,456,709 km (0.069 R)
• M26: 24,840,128 km (0.082 R)
• M27: 25,540,396 km (0.085 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 19,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit