🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.7

Radius: 8.1

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.46 AU - 1.76 AU

Year: 1340 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,049,444 km

• M1: 100,679 km (0.1 R)
• M2: 362,476 km (0.06 R)
• M3: 832,662 km (0.092 R)
• M4: 1,134,401 km (0.086 R)
• M5: 1,388,717 km (0.058 R)
• M6: 1,782,309 km (0.051 R)
• M7: 2,315,177 km (0.098 R)
• M8: 2,705,926 km (0.08 R)
• M9: 3,209,622 km (0.084 R)
• M10: 3,499,094 km (0.103 R)
• M11: 3,901,662 km (0.094 R)
• M12: 4,421,515 km (0.098 R)
• M13: 5,537,964 km (0.103 R)
• M14: 6,107,333 km (0.075 R)
• M15: 6,553,733 km (0.036 R)
• M16: 7,021,675 km (0.117 R)
• M17: 7,387,143 km (0.106 R)
• M18: 7,998,250 km (0.068 R)
• M19: 10,593,474 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.7

Radius: 13.4

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.98 AU - 2.32 AU

Year: 2068 Days

Day: 6.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,049,444 km

• M1: 166,652 km (0.117 R)
• M2: 633,397 km (0.096 R)
• M3: 1,119,291 km (0.069 R)
• M4: 1,549,385 km (0.067 R)
• M5: 2,021,217 km (0.06 R)
• M6: 2,718,792 km (0.072 R)
• M7: 3,502,086 km (0.091 R)
• M8: 4,169,891 km (0.047 R)
• M9: 5,145,568 km (0.115 R)
• M10: 5,835,514 km (0.084 R)
• M11: 6,777,083 km (0.059 R)
• M12: 8,124,810 km (0.055 R)
• M13: 11,621,211 km (0.083 R)
• M14: 12,391,790 km (0.097 R)
• M15: 12,938,570 km (0.112 R)
• M16: 13,855,605 km (0.1 R)
• M17: 15,003,470 km (0.093 R)
• M18: 15,770,757 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.8

Radius: 10.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.44 AU - 5.52 AU

Year: 6221 Days

Day: 9.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,049,444 km

• M1: 128,205 km (0.104 R)
• M2: 553,961 km (0.088 R)
• M3: 1,701,676 km (0.09 R)
• M4: 2,246,511 km (0.084 R)
• M5: 2,620,805 km (0.077 R)
• M6: 3,724,239 km (0.103 R)
• M7: 4,337,590 km (0.079 R)
• M8: 6,473,249 km (0.054 R)
• M9: 7,268,362 km (0.092 R)
• M10: 7,673,623 km (0.083 R)
• M11: 8,770,923 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.9

Radius: 14.1

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.54 AU - 5.82 AU

Year: 7734 Days

Day: 13.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,049,444 km

• M1: 181,313 km (0.113 R)
• M2: 642,672 km (0.095 R)
• M3: 1,162,675 km (0.115 R)
• M4: 1,924,128 km (0.086 R)
• M5: 2,484,372 km (0.119 R)
• M6: 3,615,182 km (0.094 R)
• M7: 4,707,097 km (0.106 R)
• M8: 5,346,329 km (0.09 R)
• M9: 6,395,608 km (0.083 R)
• M10: 7,823,071 km (0.064 R)
• M11: 9,406,864 km (0.057 R)
• M12: 10,225,164 km (0.118 R)
• M13: 11,301,072 km (0.108 R)
• M14: 14,042,902 km (0.04 R)
• M15: 16,303,176 km (0.088 R)
• M16: 24,262,231 km (0.092 R)
• M17: 25,708,992 km (0.03 R)
• M18: 26,172,596 km (0.118 R)
• M19: 28,279,533 km (0.104 R)
• M20: 29,677,824 km (0.099 R)
• M21: 30,188,252 km (0.098 R)
• M22: 30,808,485 km (0.105 R)
• M23: 32,720,196 km (0.115 R)
• M24: 36,196,402 km (0.067 R)
• M25: 38,686,608 km (0.086 R)
• M26: 40,910,231 km (0.082 R)
• M27: 41,415,722 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.4

Radius: 6.9

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.53 AU - 7.59 AU

Year: 13636 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,049,444 km

• M1: 87,964 km (0.111 R)
• M2: 478,564 km (0.103 R)
• M3: 730,187 km (0.037 R)
• M4: 2,856,571 km (0.091 R)
• M5: 4,848,018 km (0.106 R)
• M6: 5,797,965 km (0.086 R)
• M7: 6,128,127 km (0.092 R)
• M8: 6,587,841 km (0.055 R)
• M9: 10,102,195 km (0.109 R)
• M10: 12,345,564 km (0.111 R)
• M11: 15,661,401 km (0.063 R)
• M12: 16,447,089 km (0.067 R)
• M13: 23,427,475 km (0.097 R)
• M14: 23,983,979 km (0.11 R)
• M15: 26,497,523 km (0.101 R)
• M16: 28,862,964 km (0.077 R)
• M17: 29,502,495 km (0.105 R)
• M18: 32,842,268 km (0.078 R)
• M19: 35,933,558 km (0.118 R)
• M20: 40,659,205 km (0.103 R)
• M21: 41,059,529 km (0.086 R)
• M22: 44,217,091 km (0.093 R)
• M23: 46,798,403 km (0.114 R)
• M24: 48,874,223 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 15,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit