🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.6

Radius: 12.2

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.47 AU - 0.55 AU

Year: 243 Days

Day: 8.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,496,761 km

• M1: 151,692 km (0.086 R)
• M2: 628,161 km (0.046 R)
• M3: 1,089,820 km (0.116 R)
• M4: 1,474,287 km (0.105 R)
• M5: 1,992,344 km (0.102 R)
• M6: 2,435,453 km (0.092 R)
• M7: 3,110,589 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.7

Radius: 8.6

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.7 AU - 0.7 AU

Year: 391 Days

Day: 5.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,496,761 km

• M1: 106,962 km (0.085 R)
• M2: 420,819 km (0.096 R)
• M3: 707,897 km (0.11 R)
• M4: 1,010,234 km (0.117 R)
• M5: 1,520,662 km (0.095 R)
• M6: 1,873,115 km (0.068 R)
• M7: 2,341,356 km (0.108 R)
• M8: 2,656,709 km (0.082 R)
• M9: 3,021,279 km (0.117 R)
• M10: 3,764,930 km (0.066 R)
• M11: 4,783,093 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.7

Radius: 10.5

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.21 AU - 2.3 AU

Year: 2251 Days

Day: 9.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,496,761 km

• M1: 130,599 km (0.053 R)
• M2: 648,507 km (0.118 R)
• M3: 1,248,245 km (0.106 R)
• M4: 1,799,064 km (0.103 R)
• M5: 2,363,946 km (0.043 R)
• M6: 2,709,666 km (0.114 R)
• M7: 3,356,827 km (0.057 R)
• M8: 3,726,184 km (0.082 R)
• M9: 4,273,712 km (0.102 R)
• M10: 4,853,404 km (0.117 R)
• M11: 6,884,793 km (0.106 R)
• M12: 7,568,904 km (0.119 R)
• M13: 10,982,728 km (0.096 R)
• M14: 11,387,390 km (0.118 R)
• M15: 12,541,687 km (0.095 R)
• M16: 13,188,399 km (0.111 R)
• M17: 14,286,597 km (0.104 R)
• M18: 14,769,050 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.9

Radius: 9.8

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.92 AU - 2.6 AU

Year: 2266 Days

Day: 8 Hours

Environment

Temp: -210 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,496,761 km

• M1: 121,922 km (0.095 R)
• M2: 448,494 km (0.111 R)
• M3: 1,256,173 km (0.118 R)
• M4: 2,397,755 km (0.09 R)
• M5: 3,180,750 km (0.048 R)
• M6: 3,692,225 km (0.11 R)
• M7: 4,238,856 km (0.119 R)
• M8: 5,890,566 km (0.097 R)
• M9: 8,080,978 km (0.085 R)
• M10: 8,502,993 km (0.046 R)
• M11: 9,824,092 km (0.043 R)
• M12: 10,729,758 km (0.041 R)
• M13: 11,463,685 km (0.09 R)
• M14: 12,269,868 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.9

Radius: 10.1

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.81 AU - 2.99 AU

Year: 2479 Days

Day: 9.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,496,761 km

• M1: 125,662 km (0.103 R)
• M2: 457,769 km (0.115 R)
• M3: 826,827 km (0.084 R)
• M4: 1,366,876 km (0.112 R)
• M5: 2,008,052 km (0.095 R)
• M6: 2,824,857 km (0.114 R)
• M7: 3,451,372 km (0.067 R)
• M8: 3,866,656 km (0.096 R)
• M9: 4,778,006 km (0.112 R)
• M10: 5,359,793 km (0.11 R)
• M11: 6,176,447 km (0.115 R)
• M12: 6,614,919 km (0.103 R)
• M13: 6,996,094 km (0.094 R)
• M14: 7,499,790 km (0.043 R)
• M15: 9,826,187 km (0.042 R)
• M16: 10,222,621 km (0.104 R)
• M17: 12,790,319 km (0.118 R)
• M18: 13,463,659 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.1

Radius: 10.6

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.02 AU - 5.96 AU

Year: 8578 Days

Day: 9.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 77.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,496,761 km

• M1: 133,441 km (0.077 R)
• M2: 500,405 km (0.113 R)
• M3: 868,864 km (0.059 R)
• M4: 1,622,239 km (0.053 R)
• M5: 2,403,140 km (0.115 R)
• M6: 3,037,435 km (0.082 R)
• M7: 3,464,687 km (0.082 R)
• M8: 4,330,260 km (0.064 R)
• M9: 4,903,369 km (0.087 R)
• M10: 5,526,295 km (0.118 R)
• M11: 7,237,695 km (0.057 R)
• M12: 7,838,330 km (0.103 R)
• M13: 8,257,054 km (0.098 R)
• M14: 9,556,611 km (0.104 R)
• M15: 10,782,416 km (0.048 R)
• M16: 11,945,240 km (0.099 R)
• M17: 15,605,302 km (0.11 R)
• M18: 20,107,599 km (0.078 R)
• M19: 24,956,665 km (0.053 R)
• M20: 25,956,727 km (0.044 R)
• M21: 27,172,957 km (0.117 R)
• M22: 33,939,419 km (0.11 R)
• M23: 35,848,437 km (0.098 R)
• M24: 38,304,086 km (0.071 R)
• M25: 41,119,967 km (0.106 R)
• M26: 43,028,985 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.4

Radius: 3

Gravity: 29.16 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.15 AU - 6.53 AU

Year: 9411 Days

Day: 25 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,496,761 km

• M1: 37,399 km (0.097 R)
• M2: 189,989 km (0.06 R)
• M3: 802,293 km (0.106 R)
• M4: 957,127 km (0.072 R)
• M5: 1,270,385 km (0.097 R)
• M6: 2,288,698 km (0.105 R)
• M7: 3,416,666 km (0.071 R)
• M8: 5,093,807 km (0.118 R)
• M9: 6,791,743 km (0.117 R)
• M10: 8,873,697 km (0.119 R)
• M11: 9,081,788 km (0.055 R)
• M12: 10,171,309 km (0.057 R)
• M13: 12,710,583 km (0.102 R)
• M14: 13,189,147 km (0.095 R)
• M15: 13,351,161 km (0.107 R)
• M16: 14,069,231 km (0.092 R)
• M17: 14,812,583 km (0.119 R)
• M18: 17,263,744 km (0.089 R)
• M19: 23,106,289 km (0.112 R)
• M20: 25,119,427 km (0.084 R)
• M21: 27,246,260 km (0.106 R)
• M22: 31,275,679 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.8

Radius: 5.9

Gravity: 15.79 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.21 AU - 7.85 AU

Year: 12430 Days

Day: 24.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,496,761 km

• M1: 75,248 km (0.052 R)
• M2: 283,937 km (0.085 R)
• M3: 577,298 km (0.073 R)
• M4: 966,851 km (0.095 R)
• M5: 1,202,168 km (0.076 R)
• M6: 1,447,958 km (0.114 R)
• M7: 2,112,472 km (0.119 R)
• M8: 2,335,372 km (0.082 R)
• M9: 2,573,981 km (0.082 R)
• M10: 2,985,076 km (0.079 R)
• M11: 3,617,576 km (0.119 R)
• M12: 3,910,488 km (0.094 R)
• M13: 4,364,817 km (0.11 R)
• M14: 4,853,703 km (0.119 R)
• M15: 5,619,345 km (0.09 R)
• M16: 6,160,440 km (0.068 R)
• M17: 10,960,138 km (0.08 R)
• M18: 12,269,868 km (0.073 R)
• M19: 13,302,542 km (0.085 R)
• M20: 15,127,785 km (0.107 R)
• M21: 16,819,887 km (0.068 R)
• M22: 18,869,976 km (0.12 R)
• M23: 19,427,378 km (0.043 R)
• M24: 20,242,836 km (0.112 R)
• M25: 20,575,242 km (0.071 R)
• M26: 22,380,739 km (0.066 R)
• M27: 24,664,650 km (0.052 R)
• M28: 29,476,615 km (0.108 R)
• M29: 30,011,128 km (0.113 R)
• M30: 39,855,566 km (0.089 R)
• M31: 40,246,914 km (0.043 R)
• M32: 43,332,370 km (0.107 R)
• M33: 46,140,621 km (0.104 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 18,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit