🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.6

Radius: 13

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.26 AU - 1.3 AU

Year: 982 Days

Day: 11.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,375,747 km

• M1: 161,715 km (0.098 R)
• M2: 657,782 km (0.12 R)
• M3: 1,483,412 km (0.092 R)
• M4: 2,085,095 km (0.081 R)
• M5: 2,557,525 km (0.101 R)
• M6: 3,785,425 km (0.083 R)
• M7: 4,677,776 km (0.031 R)
• M8: 5,435,489 km (0.041 R)
• M9: 6,783,216 km (0.105 R)
• M10: 7,807,214 km (0.117 R)
• M11: 8,315,547 km (0.108 R)
• M12: 8,903,168 km (0.09 R)
• M13: 10,130,319 km (0.108 R)
• M14: 10,670,966 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.7

Radius: 11.6

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.74 AU - 4.22 AU

Year: 4403 Days

Day: 8.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,375,747 km

• M1: 145,260 km (0.11 R)
• M2: 544,237 km (0.083 R)
• M3: 1,072,318 km (0.111 R)
• M4: 2,451,760 km (0.094 R)
• M5: 3,134,973 km (0.06 R)
• M6: 4,488,235 km (0.096 R)
• M7: 5,085,430 km (0.092 R)
• M8: 5,791,682 km (0.045 R)
• M9: 10,943,234 km (0.07 R)
• M10: 11,476,401 km (0.091 R)
• M11: 11,887,645 km (0.119 R)
• M12: 14,145,376 km (0.083 R)
• M13: 17,501,754 km (0.108 R)
• M14: 20,811,906 km (0.081 R)
• M15: 21,218,962 km (0.116 R)
• M16: 25,201,556 km (0.108 R)
• M17: 26,211,043 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.8

Radius: 10.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.83 AU - 4.41 AU

Year: 4671 Days

Day: 12.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,375,747 km

• M1: 135,536 km (0.096 R)
• M2: 541,694 km (0.066 R)
• M3: 1,029,682 km (0.063 R)
• M4: 2,095,717 km (0.041 R)
• M5: 3,167,286 km (0.092 R)
• M6: 3,611,741 km (0.101 R)
• M7: 4,481,503 km (0.114 R)
• M8: 5,526,594 km (0.077 R)
• M9: 6,400,545 km (0.092 R)
• M10: 7,567,857 km (0.075 R)
• M11: 9,103,030 km (0.113 R)
• M12: 9,851,618 km (0.102 R)
• M13: 10,383,738 km (0.076 R)
• M14: 11,200,991 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.3

Radius: 13.2

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.05 AU - 4.87 AU

Year: 6388 Days

Day: 11.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,375,747 km

• M1: 166,802 km (0.099 R)
• M2: 744,698 km (0.118 R)
• M3: 1,467,106 km (0.101 R)
• M4: 2,195,349 km (0.032 R)
• M5: 2,775,190 km (0.108 R)
• M6: 3,259,738 km (0.067 R)
• M7: 3,969,879 km (0.063 R)
• M8: 4,454,576 km (0.032 R)
• M9: 8,046,121 km (0.103 R)
• M10: 9,389,810 km (0.078 R)
• M11: 9,884,829 km (0.119 R)
• M12: 10,927,077 km (0.096 R)
• M13: 13,567,480 km (0.095 R)
• M14: 14,377,253 km (0.054 R)
• M15: 14,854,321 km (0.074 R)
• M16: 15,341,860 km (0.101 R)
• M17: 19,275,087 km (0.109 R)
• M18: 20,447,935 km (0.09 R)
• M19: 21,358,238 km (0.104 R)
• M20: 22,058,655 km (0.105 R)
• M21: 23,587,395 km (0.076 R)
• M22: 24,168,134 km (0.069 R)
• M23: 25,099,980 km (0.084 R)
• M24: 26,765,752 km (0.029 R)
• M25: 27,397,653 km (0.058 R)
• M26: 37,098,776 km (0.027 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 8.1

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.21 AU - 5.41 AU

Year: 7155 Days

Day: 8.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,375,747 km

• M1: 100,679 km (0.043 R)
• M2: 391,049 km (0.111 R)
• M3: 1,135,897 km (0.12 R)
• M4: 1,770,192 km (0.071 R)
• M5: 2,708,021 km (0.104 R)
• M6: 5,633,856 km (0.072 R)
• M7: 6,076,815 km (0.055 R)
• M8: 7,337,327 km (0.103 R)
• M9: 8,457,216 km (0.092 R)
• M10: 9,770,087 km (0.086 R)
• M11: 11,820,027 km (0.071 R)
• M12: 17,852,262 km (0.082 R)
• M13: 20,543,528 km (0.111 R)
• M14: 28,388,889 km (0.027 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641

Radius: 5.4

Gravity: 21.98 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.61 AU - 6.85 AU

Year: 9303 Days

Day: 24.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,375,747 km

• M1: 67,319 km (0.069 R)
• M2: 302,188 km (0.084 R)
• M3: 638,783 km (0.044 R)
• M4: 1,067,680 km (0.069 R)
• M5: 1,358,049 km (0.108 R)
• M6: 1,744,311 km (0.119 R)
• M7: 2,652,819 km (0.099 R)
• M8: 3,141,854 km (0.069 R)
• M9: 3,564,917 km (0.076 R)
• M10: 4,728,489 km (0.096 R)
• M11: 5,031,724 km (0.032 R)
• M12: 6,596,668 km (0.112 R)
• M13: 8,285,628 km (0.09 R)
• M14: 9,183,065 km (0.112 R)
• M15: 9,464,459 km (0.101 R)
• M16: 10,802,612 km (0.086 R)
• M17: 12,262,238 km (0.062 R)
• M18: 14,094,663 km (0.057 R)
• M19: 14,469,256 km (0.086 R)
• M20: 14,978,936 km (0.102 R)
• M21: 15,566,706 km (0.088 R)
• M22: 19,883,502 km (0.099 R)
• M23: 20,672,930 km (0.037 R)
• M24: 23,600,560 km (0.101 R)
• M25: 23,863,703 km (0.102 R)
• M26: 25,483,548 km (0.069 R)
• M27: 26,132,953 km (0.115 R)
• M28: 39,908,224 km (0.039 R)
• M29: 41,162,303 km (0.083 R)
• M30: 41,671,235 km (0.032 R)
• M31: 44,545,459 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.6

Radius: 4

Gravity: 53.23 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.66 AU - 10.56 AU

Year: 20206 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 82,375,747 km

• M1: 49,816 km (0.119 R)
• M2: 368,310 km (0.118 R)
• M3: 914,492 km (0.038 R)
• M4: 1,652,159 km (0.113 R)
• M5: 2,016,280 km (0.114 R)
• M6: 2,455,200 km (0.118 R)
• M7: 3,922,905 km (0.099 R)
• M8: 4,053,055 km (0.112 R)
• M9: 4,287,774 km (0.112 R)
• M10: 5,239,965 km (0.087 R)
• M11: 5,559,356 km (0.056 R)
• M12: 6,149,071 km (0.092 R)
• M13: 6,280,717 km (0.117 R)
• M14: 8,168,044 km (0.069 R)
• M15: 9,040,947 km (0.04 R)
• M16: 11,558,829 km (0.092 R)
• M17: 11,692,420 km (0.078 R)
• M18: 12,941,263 km (0.081 R)
• M19: 14,819,464 km (0.116 R)
• M20: 15,946,983 km (0.12 R)
• M21: 16,195,765 km (0.063 R)
• M22: 17,921,227 km (0.104 R)
• M23: 19,765,469 km (0.047 R)
• M24: 19,956,506 km (0.093 R)
• M25: 20,342,468 km (0.05 R)
• M26: 21,732,382 km (0.086 R)
• M27: 21,935,985 km (0.072 R)
• M28: 25,707,945 km (0.104 R)
• M29: 31,292,733 km (0.111 R)
• M30: 32,472,462 km (0.054 R)
• M31: 35,059,607 km (0.101 R)
• M32: 36,046,355 km (0.108 R)
• M33: 45,110,340 km (0.106 R)
• M34: 45,774,555 km (0.088 R)
• M35: 55,961,571 km (0.073 R)
• M36: 57,114,373 km (0.056 R)
• M37: 63,530,925 km (0.032 R)
• M38: 68,428,460 km (0.106 R)
• M39: 73,114,314 km (0.039 R)
• M40: 75,885,764 km (0.056 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: 241 - 12,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit