🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.2

Radius: 13.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.09 AU - 1.15 AU

Year: 818 Days

Day: 7.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,694,151 km

• M1: 172,935 km (0.099 R)
• M2: 800,797 km (0.119 R)
• M3: 1,239,418 km (0.084 R)
• M4: 1,809,835 km (0.074 R)
• M5: 2,355,867 km (0.1 R)
• M6: 2,998,989 km (0.081 R)
• M7: 3,712,870 km (0.091 R)
• M8: 5,085,729 km (0.113 R)
• M9: 5,540,058 km (0.114 R)
• M10: 6,021,763 km (0.109 R)
• M11: 6,531,293 km (0.027 R)
• M12: 7,255,497 km (0.12 R)
• M13: 8,364,167 km (0.078 R)
• M14: 8,918,875 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.3

Radius: 12.4

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.39 AU - 1.97 AU

Year: 1503 Days

Day: 8.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,694,151 km

• M1: 155,283 km (0.106 R)
• M2: 703,858 km (0.087 R)
• M3: 1,121,984 km (0.088 R)
• M4: 1,548,637 km (0.105 R)
• M5: 2,897,262 km (0.118 R)
• M6: 3,736,506 km (0.113 R)
• M7: 4,804,934 km (0.087 R)
• M8: 5,321,196 km (0.114 R)
• M9: 6,132,466 km (0.115 R)
• M10: 6,694,654 km (0.119 R)
• M11: 7,844,912 km (0.057 R)
• M12: 8,508,379 km (0.095 R)
• M13: 9,353,607 km (0.067 R)
• M14: 9,886,923 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.2

Radius: 12.2

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.76 AU - 4.62 AU

Year: 5920 Days

Day: 9.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,694,151 km

• M1: 153,188 km (0.096 R)
• M2: 985,401 km (0.106 R)
• M3: 1,598,453 km (0.092 R)
• M4: 5,140,632 km (0.111 R)
• M5: 6,936,853 km (0.085 R)
• M6: 8,435,076 km (0.069 R)
• M7: 9,084,181 km (0.061 R)
• M8: 11,725,780 km (0.055 R)
• M9: 13,199,918 km (0.044 R)
• M10: 14,696,794 km (0.057 R)
• M11: 17,859,293 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.9

Radius: 7.6

Gravity: 14.89 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.44 AU - 6.86 AU

Year: 9270 Days

Day: 22.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,694,151 km

• M1: 94,546 km (0.073 R)
• M2: 420,520 km (0.112 R)
• M3: 691,441 km (0.107 R)
• M4: 1,194,838 km (0.106 R)
• M5: 1,542,055 km (0.081 R)
• M6: 1,810,134 km (0.115 R)
• M7: 2,126,833 km (0.086 R)
• M8: 2,640,702 km (0.078 R)
• M9: 2,916,410 km (0.066 R)
• M10: 3,500,889 km (0.118 R)
• M11: 4,274,011 km (0.114 R)
• M12: 4,777,558 km (0.113 R)
• M13: 5,091,713 km (0.067 R)
• M14: 5,520,760 km (0.114 R)
• M15: 5,937,988 km (0.074 R)
• M16: 7,734,958 km (0.068 R)
• M17: 8,757,310 km (0.119 R)
• M18: 10,959,690 km (0.061 R)
• M19: 11,731,615 km (0.11 R)
• M20: 12,717,016 km (0.104 R)
• M21: 15,050,593 km (0.077 R)
• M22: 17,581,340 km (0.109 R)
• M23: 18,637,800 km (0.112 R)
• M24: 21,803,441 km (0.105 R)
• M25: 22,060,749 km (0.06 R)
• M26: 23,648,132 km (0.1 R)
• M27: 24,562,175 km (0.076 R)
• M28: 24,934,225 km (0.109 R)
• M29: 27,545,306 km (0.105 R)
• M30: 28,047,955 km (0.108 R)
• M31: 31,520,870 km (0.097 R)
• M32: 33,303,478 km (0.118 R)
• M33: 37,804,728 km (0.065 R)
• M34: 45,431,228 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.5

Radius: 7.1

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.23 AU - 8.53 AU

Year: 15269 Days

Day: 19.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,694,151 km

• M1: 91,105 km (0.11 R)
• M2: 345,421 km (0.059 R)
• M3: 828,174 km (0.114 R)
• M4: 1,134,101 km (0.102 R)
• M5: 1,768,396 km (0.081 R)
• M6: 2,775,190 km (0.114 R)
• M7: 3,208,874 km (0.064 R)
• M8: 3,442,097 km (0.095 R)
• M9: 3,714,665 km (0.084 R)
• M10: 4,784,140 km (0.099 R)
• M11: 5,627,573 km (0.059 R)
• M12: 7,515,049 km (0.064 R)
• M13: 7,835,338 km (0.077 R)
• M14: 8,405,456 km (0.115 R)
• M15: 9,259,959 km (0.04 R)
• M16: 9,788,937 km (0.093 R)
• M17: 12,612,596 km (0.111 R)
• M18: 14,629,026 km (0.07 R)
• M19: 17,559,349 km (0.1 R)
• M20: 22,044,742 km (0.087 R)
• M21: 23,467,867 km (0.089 R)
• M22: 24,053,991 km (0.113 R)
• M23: 27,885,941 km (0.12 R)
• M24: 31,042,755 km (0.096 R)
• M25: 33,807,922 km (0.078 R)
• M26: 38,055,754 km (0.1 R)
• M27: 40,237,788 km (0.039 R)
• M28: 43,518,469 km (0.038 R)
• M29: 47,437,036 km (0.113 R)
• M30: 49,961,799 km (0.081 R)
• M31: 61,325,254 km (0.09 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 16,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit