🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.4

Radius: 8.2

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.81 AU - 1.05 AU

Year: 570 Days

Day: 9.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 143.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,110,446 km

• M1: 102,923 km (0.095 R)
• M2: 386,710 km (0.049 R)
• M3: 671,246 km (0.106 R)
• M4: 936,483 km (0.064 R)
• M5: 1,398,740 km (0.119 R)
• M6: 1,720,525 km (0.102 R)
• M7: 2,134,911 km (0.046 R)
• M8: 2,408,825 km (0.104 R)
• M9: 3,233,857 km (0.029 R)
• M10: 4,179,465 km (0.076 R)
• M11: 4,807,627 km (0.084 R)
• M12: 5,718,079 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.7

Radius: 10.3

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.25 AU - 1.97 AU

Year: 1299 Days

Day: 13 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,110,446 km

• M1: 128,056 km (0.108 R)
• M2: 641,775 km (0.098 R)
• M3: 1,112,410 km (0.087 R)
• M4: 1,487,751 km (0.095 R)
• M5: 1,846,786 km (0.073 R)
• M6: 2,229,756 km (0.101 R)
• M7: 2,652,969 km (0.112 R)
• M8: 2,987,769 km (0.076 R)
• M9: 3,396,470 km (0.107 R)
• M10: 3,727,231 km (0.086 R)
• M11: 4,640,825 km (0.075 R)
• M12: 5,588,976 km (0.075 R)
• M13: 6,956,301 km (0.032 R)
• M14: 7,812,150 km (0.108 R)
• M15: 8,912,443 km (0.109 R)
• M16: 9,985,059 km (0.086 R)
• M17: 10,306,844 km (0.096 R)
• M18: 11,522,926 km (0.115 R)
• M19: 12,129,395 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.2

Radius: 12.9

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.71 AU - 1.71 AU

Year: 1422 Days

Day: 8 Hours

Environment

Temp: -181 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,110,446 km

• M1: 160,369 km (0.075 R)
• M2: 609,312 km (0.117 R)
• M3: 1,219,671 km (0.09 R)
• M4: 1,866,084 km (0.106 R)
• M5: 2,679,896 km (0.102 R)
• M6: 3,229,220 km (0.106 R)
• M7: 3,768,670 km (0.077 R)
• M8: 5,216,328 km (0.112 R)
• M9: 6,218,933 km (0.108 R)
• M10: 7,110,237 km (0.104 R)
• M11: 8,782,891 km (0.108 R)
• M12: 10,568,342 km (0.089 R)
• M13: 12,661,066 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.5

Radius: 14.5

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.89 AU - 3.09 AU

Year: 2498 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,110,446 km

• M1: 180,265 km (0.042 R)
• M2: 781,649 km (0.111 R)
• M3: 1,276,668 km (0.12 R)
• M4: 1,988,156 km (0.118 R)
• M5: 2,557,226 km (0.075 R)
• M6: 3,751,167 km (0.094 R)
• M7: 4,798,950 km (0.109 R)
• M8: 5,642,832 km (0.118 R)
• M9: 9,186,207 km (0.109 R)
• M10: 10,295,325 km (0.113 R)
• M11: 10,816,225 km (0.117 R)
• M12: 12,017,347 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.9

Radius: 13.4

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.18 AU - 4.84 AU

Year: 5106 Days

Day: 14.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,110,446 km

• M1: 166,652 km (0.092 R)
• M2: 1,040,154 km (0.1 R)
• M3: 1,467,406 km (0.115 R)
• M4: 2,098,260 km (0.069 R)
• M5: 3,256,147 km (0.086 R)
• M6: 4,248,729 km (0.115 R)
• M7: 6,118,852 km (0.088 R)
• M8: 6,893,021 km (0.112 R)
• M9: 8,157,572 km (0.11 R)
• M10: 9,135,044 km (0.1 R)
• M11: 12,929,894 km (0.072 R)
• M12: 13,788,286 km (0.072 R)
• M13: 14,577,116 km (0.098 R)
• M14: 16,418,067 km (0.084 R)
• M15: 20,625,358 km (0.087 R)
• M16: 24,501,289 km (0.1 R)
• M17: 25,737,117 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.3

Radius: 5

Gravity: 24.85 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.06 AU - 10.3 AU

Year: 17685 Days

Day: 18.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,110,446 km

• M1: 62,233 km (0.071 R)
• M2: 350,358 km (0.045 R)
• M3: 1,173,147 km (0.099 R)
• M4: 2,042,909 km (0.105 R)
• M5: 2,242,173 km (0.094 R)
• M6: 2,633,671 km (0.114 R)
• M7: 2,797,779 km (0.078 R)
• M8: 3,069,449 km (0.075 R)
• M9: 3,580,176 km (0.098 R)
• M10: 4,303,931 km (0.116 R)
• M11: 7,145,393 km (0.116 R)
• M12: 7,373,380 km (0.029 R)
• M13: 8,741,004 km (0.05 R)
• M14: 9,594,160 km (0.118 R)
• M15: 10,677,548 km (0.115 R)
• M16: 11,096,572 km (0.086 R)
• M17: 11,464,283 km (0.105 R)
• M18: 13,564,488 km (0.119 R)
• M19: 19,551,694 km (0.117 R)
• M20: 20,359,971 km (0.06 R)
• M21: 20,818,488 km (0.093 R)
• M22: 22,721,673 km (0.045 R)
• M23: 24,737,653 km (0.092 R)
• M24: 34,252,976 km (0.084 R)
• M25: 34,901,333 km (0.06 R)
• M26: 40,098,662 km (0.076 R)
• M27: 42,880,734 km (0.107 R)
• M28: 49,481,590 km (0.081 R)
• M29: 57,635,422 km (0.101 R)
• M30: 58,184,297 km (0.079 R)
• M31: 59,292,518 km (0.091 R)
• M32: 66,238,945 km (0.059 R)
• M33: 67,042,735 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.6

Radius: 4.1

Gravity: 28.11 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.33 AU - 9.97 AU

Year: 19060 Days

Day: 24 Hours

Environment

Temp: -239 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,110,446 km

• M1: 90,956 km (0.109 R)
• M2: 302,786 km (0.113 R)
• M3: 842,535 km (0.069 R)
• M4: 1,374,655 km (0.086 R)
• M5: 1,637,797 km (0.04 R)
• M6: 3,734,860 km (0.077 R)
• M7: 4,030,167 km (0.095 R)
• M8: 4,768,582 km (0.108 R)
• M9: 4,975,176 km (0.116 R)
• M10: 6,098,956 km (0.111 R)
• M11: 6,342,351 km (0.108 R)
• M12: 6,935,806 km (0.118 R)
• M13: 7,156,463 km (0.099 R)
• M14: 16,164,499 km (0.05 R)
• M15: 16,788,172 km (0.091 R)
• M16: 17,508,785 km (0.047 R)
• M17: 20,148,888 km (0.052 R)
• M18: 20,688,787 km (0.074 R)
• M19: 20,962,402 km (0.112 R)
• M20: 21,330,861 km (0.056 R)
• M21: 21,610,011 km (0.069 R)
• M22: 27,388,378 km (0.096 R)
• M23: 31,522,665 km (0.11 R)
• M24: 32,617,572 km (0.119 R)
• M25: 36,582,962 km (0.118 R)
• M26: 42,597,994 km (0.041 R)
• M27: 58,515,506 km (0.098 R)
• M28: 58,879,777 km (0.075 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 18,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit