🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.5

Radius: 11.7

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.53 AU - 0.63 AU

Year: 300 Days

Day: 13.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,569,088 km

• M1: 145,559 km (0.079 R)
• M2: 638,783 km (0.086 R)
• M3: 1,237,474 km (0.091 R)
• M4: 1,976,786 km (0.091 R)
• M5: 2,509,803 km (0.087 R)
• M6: 3,084,858 km (0.119 R)
• M7: 3,523,479 km (0.051 R)
• M8: 4,091,951 km (0.031 R)
• M9: 4,935,084 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880

Radius: 10.7

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.67 AU - 1.07 AU

Year: 550 Days

Day: 12.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 52 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,569,088 km

• M1: 133,142 km (0.058 R)
• M2: 467,194 km (0.091 R)
• M3: 1,086,978 km (0.083 R)
• M4: 1,476,082 km (0.077 R)
• M5: 1,906,774 km (0.114 R)
• M6: 2,243,070 km (0.107 R)
• M7: 2,739,436 km (0.093 R)
• M8: 3,345,906 km (0.032 R)
• M9: 3,953,722 km (0.111 R)
• M10: 4,307,072 km (0.057 R)
• M11: 4,665,509 km (0.095 R)
• M12: 5,641,037 km (0.106 R)
• M13: 6,032,983 km (0.066 R)
• M14: 6,997,889 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.9

Radius: 8.3

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.4 AU - 1.82 AU

Year: 1386 Days

Day: 11.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,569,088 km

• M1: 103,223 km (0.107 R)
• M2: 495,917 km (0.119 R)
• M3: 754,272 km (0.111 R)
• M4: 1,079,797 km (0.059 R)
• M5: 1,507,199 km (0.103 R)
• M6: 1,971,999 km (0.076 R)
• M7: 2,469,262 km (0.099 R)
• M8: 3,406,344 km (0.06 R)
• M9: 3,666,195 km (0.082 R)
• M10: 4,313,206 km (0.089 R)
• M11: 4,599,686 km (0.086 R)
• M12: 4,860,884 km (0.029 R)
• M13: 5,291,277 km (0.067 R)
• M14: 5,832,671 km (0.117 R)
• M15: 6,760,627 km (0.064 R)
• M16: 7,173,068 km (0.101 R)
• M17: 7,679,607 km (0.098 R)
• M18: 9,552,123 km (0.083 R)
• M19: 10,228,306 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.4

Radius: 9.3

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.51 AU - 5.65 AU

Year: 6648 Days

Day: 13.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,569,088 km

• M1: 115,639 km (0.102 R)
• M2: 497,712 km (0.096 R)
• M3: 1,182,272 km (0.115 R)
• M4: 1,567,636 km (0.111 R)
• M5: 2,632,025 km (0.088 R)
• M6: 3,276,193 km (0.102 R)
• M7: 4,904,417 km (0.079 R)
• M8: 7,119,961 km (0.07 R)
• M9: 7,669,733 km (0.069 R)
• M10: 8,051,806 km (0.063 R)
• M11: 9,021,051 km (0.116 R)
• M12: 11,631,833 km (0.069 R)
• M13: 14,247,552 km (0.088 R)
• M14: 14,825,747 km (0.052 R)
• M15: 15,419,651 km (0.058 R)
• M16: 17,427,105 km (0.117 R)
• M17: 17,955,036 km (0.104 R)
• M18: 18,835,569 km (0.099 R)
• M19: 23,835,578 km (0.116 R)
• M20: 25,568,520 km (0.08 R)
• M21: 33,343,570 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 18,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit