🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.4

Radius: 12.2

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.86 AU - 1.08 AU

Year: 648 Days

Day: 9.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 21,630,895 km

• M1: 151,692 km (0.053 R)
• M2: 737,966 km (0.058 R)
• M3: 1,782,010 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.7

Radius: 11.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.01 AU - 1.63 AU

Year: 1029 Days

Day: 6.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,630,895 km

• M1: 140,472 km (0.097 R)
• M2: 499,956 km (0.064 R)
• M3: 889,359 km (0.109 R)
• M4: 1,659,788 km (0.114 R)
• M5: 2,031,240 km (0.102 R)
• M6: 2,593,279 km (0.118 R)
• M7: 3,589,601 km (0.103 R)
• M8: 4,059,338 km (0.085 R)
• M9: 4,476,716 km (0.113 R)
• M10: 4,988,790 km (0.052 R)
• M11: 5,451,047 km (0.094 R)
• M12: 6,363,295 km (0.101 R)
• M13: 7,245,174 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.3

Radius: 12.5

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.61 AU - 2.23 AU

Year: 1804 Days

Day: 9.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,630,895 km

• M1: 155,432 km (0.112 R)
• M2: 903,721 km (0.115 R)
• M3: 1,854,714 km (0.065 R)
• M4: 2,438,595 km (0.108 R)
• M5: 2,863,902 km (0.07 R)
• M6: 3,491,614 km (0.058 R)
• M7: 3,997,554 km (0.057 R)
• M8: 5,340,644 km (0.117 R)
• M9: 6,269,497 km (0.102 R)
• M10: 6,992,803 km (0.054 R)
• M11: 7,476,303 km (0.103 R)
• M12: 8,104,315 km (0.062 R)
• M13: 10,491,897 km (0.115 R)
• M14: 13,882,234 km (0.106 R)
• M15: 15,205,277 km (0.075 R)
• M16: 16,461,450 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.9

Radius: 10.4

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.49 AU - 3.07 AU

Year: 3144 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,630,895 km

• M1: 129,402 km (0.08 R)
• M2: 501,302 km (0.115 R)
• M3: 1,080,695 km (0.069 R)
• M4: 1,416,243 km (0.106 R)
• M5: 2,205,671 km (0.087 R)
• M6: 2,614,672 km (0.089 R)
• M7: 3,042,821 km (0.07 R)
• M8: 5,110,263 km (0.117 R)
• M9: 6,179,290 km (0.06 R)
• M10: 6,540,718 km (0.115 R)
• M11: 7,448,777 km (0.107 R)
• M12: 7,978,354 km (0.112 R)
• M13: 8,438,816 km (0.085 R)
• M14: 9,047,380 km (0.078 R)
• M15: 9,379,188 km (0.106 R)
• M16: 10,789,148 km (0.109 R)
• M17: 11,162,694 km (0.108 R)
• M18: 13,849,172 km (0.089 R)
• M19: 14,335,515 km (0.07 R)
• M20: 15,248,810 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.1

Radius: 9.2

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.25 AU - 3.83 AU

Year: 4517 Days

Day: 8.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 89 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 21,630,895 km

• M1: 114,442 km (0.074 R)
• M2: 528,529 km (0.058 R)
• M3: 828,323 km (0.062 R)
• M4: 1,309,281 km (0.072 R)
• M5: 1,646,175 km (0.083 R)
• M6: 2,041,113 km (0.089 R)
• M7: 2,515,488 km (0.115 R)
• M8: 2,946,779 km (0.115 R)
• M9: 3,364,007 km (0.075 R)
• M10: 4,075,644 km (0.1 R)
• M11: 5,412,750 km (0.073 R)
• M12: 5,765,801 km (0.105 R)
• M13: 6,197,092 km (0.091 R)
• M14: 6,716,346 km (0.12 R)
• M15: 7,441,746 km (0.079 R)
• M16: 7,991,069 km (0.117 R)
• M17: 9,047,679 km (0.111 R)
• M18: 9,503,953 km (0.109 R)
• M19: 10,150,814 km (0.028 R)
• M20: 10,598,112 km (0.044 R)
• M21: 12,068,958 km (0.116 R)
• M22: 12,571,158 km (0.092 R)
• M23: 14,106,780 km (0.087 R)
• M24: 15,120,605 km (0.105 R)
• M25: 19,187,722 km (0.089 R)
• M26: 22,849,429 km (0.094 R)
• M27: 26,951,852 km (0.084 R)
• M28: 27,293,084 km (0.085 R)
• M29: 28,775,150 km (0.051 R)
• M30: 29,944,258 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331

Radius: 10.5

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.94 AU - 4.42 AU

Year: 4788 Days

Day: 8.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,630,895 km

• M1: 131,197 km (0.118 R)
• M2: 1,054,216 km (0.086 R)
• M3: 1,863,092 km (0.069 R)
• M4: 2,873,326 km (0.047 R)
• M5: 3,423,996 km (0.096 R)
• M6: 3,876,978 km (0.108 R)
• M7: 5,612,463 km (0.105 R)
• M8: 7,683,047 km (0.033 R)
• M9: 12,027,070 km (0.103 R)
• M10: 12,937,074 km (0.096 R)
• M11: 13,266,339 km (0.115 R)
• M12: 14,690,062 km (0.106 R)
• M13: 15,889,687 km (0.07 R)
• M14: 17,551,121 km (0.073 R)
• M15: 18,364,934 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.5

Radius: 11.6

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.96 AU - 4.54 AU

Year: 4925 Days

Day: 9.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,630,895 km

• M1: 144,212 km (0.115 R)
• M2: 530,624 km (0.094 R)
• M3: 1,081,443 km (0.05 R)
• M4: 1,770,491 km (0.101 R)
• M5: 2,208,513 km (0.073 R)
• M6: 3,113,431 km (0.112 R)
• M7: 3,584,365 km (0.117 R)
• M8: 4,739,111 km (0.119 R)
• M9: 5,289,930 km (0.092 R)
• M10: 5,990,796 km (0.12 R)
• M11: 6,491,650 km (0.044 R)
• M12: 7,419,755 km (0.089 R)
• M13: 8,097,434 km (0.056 R)
• M14: 8,993,076 km (0.092 R)
• M15: 9,651,007 km (0.078 R)
• M16: 11,394,870 km (0.073 R)
• M17: 12,970,584 km (0.101 R)
• M18: 15,342,758 km (0.107 R)
• M19: 15,808,007 km (0.117 R)
• M20: 18,566,293 km (0.07 R)
• M21: 20,059,279 km (0.097 R)
• M22: 21,374,095 km (0.06 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 16,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit