🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.2

Radius: 13.9

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.75 AU - 0.85 AU

Year: 494 Days

Day: 6.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,801,231 km

• M1: 175,179 km (0.085 R)
• M2: 658,530 km (0.093 R)
• M3: 1,234,930 km (0.067 R)
• M4: 1,734,139 km (0.105 R)
• M5: 2,638,458 km (0.063 R)
• M6: 3,276,343 km (0.106 R)
• M7: 3,797,542 km (0.037 R)
• M8: 4,433,333 km (0.073 R)
• M9: 5,757,424 km (0.085 R)
• M10: 6,348,036 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.4

Radius: 13.7

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.73 AU - 2.69 AU

Year: 2268 Days

Day: 14.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,801,231 km

• M1: 172,038 km (0.05 R)
• M2: 666,010 km (0.069 R)
• M3: 1,311,674 km (0.108 R)
• M4: 2,297,375 km (0.091 R)
• M5: 2,870,933 km (0.039 R)
• M6: 4,819,894 km (0.115 R)
• M7: 5,416,041 km (0.064 R)
• M8: 5,987,056 km (0.057 R)
• M9: 6,493,296 km (0.049 R)
• M10: 7,945,143 km (0.1 R)
• M11: 8,463,948 km (0.075 R)
• M12: 8,972,880 km (0.088 R)
• M13: 10,660,195 km (0.114 R)
• M14: 12,028,417 km (0.052 R)
• M15: 13,129,158 km (0.103 R)
• M16: 14,519,670 km (0.033 R)
• M17: 15,437,154 km (0.095 R)
• M18: 16,054,095 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.2

Radius: 14.2

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.14 AU - 4.38 AU

Year: 5033 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,801,231 km

• M1: 177,124 km (0.108 R)
• M2: 683,513 km (0.088 R)
• M3: 1,218,923 km (0.113 R)
• M4: 1,807,741 km (0.072 R)
• M5: 3,387,793 km (0.069 R)
• M6: 4,500,502 km (0.095 R)
• M7: 5,350,667 km (0.116 R)
• M8: 6,432,559 km (0.063 R)
• M9: 7,231,711 km (0.092 R)
• M10: 7,727,927 km (0.083 R)
• M11: 9,479,269 km (0.097 R)
• M12: 11,625,251 km (0.074 R)
• M13: 12,357,831 km (0.117 R)
• M14: 16,492,567 km (0.108 R)
• M15: 18,904,533 km (0.114 R)
• M16: 20,194,965 km (0.102 R)
• M17: 25,866,519 km (0.065 R)
• M18: 28,057,829 km (0.08 R)
• M19: 30,553,271 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.5

Radius: 8.2

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.65 AU - 5.36 AU

Year: 7717 Days

Day: 10.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,801,231 km

• M1: 102,026 km (0.079 R)
• M2: 474,076 km (0.073 R)
• M3: 819,048 km (0.046 R)
• M4: 1,084,585 km (0.107 R)
• M5: 1,502,561 km (0.057 R)
• M6: 1,995,336 km (0.11 R)
• M7: 2,609,735 km (0.11 R)
• M8: 3,240,439 km (0.103 R)
• M9: 3,692,225 km (0.086 R)
• M10: 5,656,445 km (0.066 R)
• M11: 6,675,655 km (0.118 R)
• M12: 7,553,346 km (0.064 R)
• M13: 8,192,727 km (0.084 R)
• M14: 8,990,682 km (0.07 R)
• M15: 12,193,573 km (0.079 R)
• M16: 14,612,570 km (0.099 R)
• M17: 15,544,715 km (0.116 R)
• M18: 16,269,516 km (0.068 R)
• M19: 16,577,987 km (0.11 R)
• M20: 17,143,168 km (0.118 R)
• M21: 27,670,221 km (0.04 R)
• M22: 31,991,505 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.9

Radius: 5.3

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.47 AU - 9.39 AU

Year: 18420 Days

Day: 21.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,801,231 km

• M1: 70,461 km (0.094 R)
• M2: 289,621 km (0.082 R)
• M3: 480,658 km (0.084 R)
• M4: 799,451 km (0.115 R)
• M5: 1,094,308 km (0.106 R)
• M6: 1,870,721 km (0.098 R)
• M7: 3,407,391 km (0.106 R)
• M8: 5,314,165 km (0.109 R)
• M9: 5,968,207 km (0.106 R)
• M10: 6,139,646 km (0.049 R)
• M11: 8,124,960 km (0.041 R)
• M12: 8,421,463 km (0.098 R)
• M13: 8,857,241 km (0.111 R)
• M14: 9,492,583 km (0.04 R)
• M15: 11,847,852 km (0.099 R)
• M16: 12,674,680 km (0.087 R)
• M17: 15,130,029 km (0.094 R)
• M18: 16,978,012 km (0.096 R)
• M19: 18,897,652 km (0.102 R)
• M20: 19,493,051 km (0.085 R)
• M21: 22,163,673 km (0.086 R)
• M22: 23,161,790 km (0.109 R)
• M23: 25,787,232 km (0.099 R)
• M24: 28,121,258 km (0.12 R)
• M25: 29,093,046 km (0.056 R)
• M26: 34,071,065 km (0.05 R)
• M27: 35,510,795 km (0.097 R)
• M28: 36,416,759 km (0.072 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 15,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit