🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 13.9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.54 AU - 0.76 AU

Year: 349 Days

Day: 12.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,556,812 km

• M1: 173,384 km (0.115 R)
• M2: 610,659 km (0.108 R)
• M3: 1,283,699 km (0.117 R)
• M4: 1,715,888 km (0.099 R)
• M5: 2,431,713 km (0.038 R)
• M6: 3,007,964 km (0.034 R)
• M7: 3,674,572 km (0.086 R)
• M8: 4,244,391 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.6

Radius: 13.4

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.72 AU - 2.54 AU

Year: 2073 Days

Day: 14.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,556,812 km

• M1: 166,802 km (0.117 R)
• M2: 669,002 km (0.054 R)
• M3: 1,703,022 km (0.114 R)
• M4: 2,284,359 km (0.06 R)
• M5: 2,809,149 km (0.081 R)
• M6: 3,414,422 km (0.062 R)
• M7: 4,205,795 km (0.069 R)
• M8: 4,732,977 km (0.1 R)
• M9: 6,102,097 km (0.118 R)
• M10: 6,530,396 km (0.099 R)
• M11: 6,950,167 km (0.096 R)
• M12: 7,969,079 km (0.07 R)
• M13: 8,482,050 km (0.093 R)
• M14: 10,378,053 km (0.079 R)
• M15: 11,147,435 km (0.055 R)
• M16: 11,954,515 km (0.059 R)
• M17: 12,585,220 km (0.115 R)
• M18: 13,282,197 km (0.081 R)
• M19: 14,422,731 km (0.099 R)
• M20: 15,578,075 km (0.102 R)
• M21: 16,484,489 km (0.091 R)
• M22: 17,963,712 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.3

Radius: 14.1

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.99 AU - 3.11 AU

Year: 3552 Days

Day: 6 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,556,812 km

• M1: 175,329 km (0.091 R)
• M2: 639,980 km (0.081 R)
• M3: 1,248,993 km (0.034 R)
• M4: 2,062,207 km (0.084 R)
• M5: 2,504,867 km (0.077 R)
• M6: 2,959,794 km (0.092 R)
• M7: 4,018,498 km (0.115 R)
• M8: 5,137,191 km (0.07 R)
• M9: 7,648,191 km (0.095 R)
• M10: 9,945,715 km (0.097 R)
• M11: 14,848,935 km (0.042 R)
• M12: 15,483,828 km (0.089 R)
• M13: 17,323,433 km (0.079 R)
• M14: 18,027,291 km (0.116 R)
• M15: 22,039,955 km (0.029 R)
• M16: 23,217,141 km (0.104 R)
• M17: 24,217,801 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.4

Radius: 9.5

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.9 AU - 5.26 AU

Year: 7635 Days

Day: 13.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,556,812 km

• M1: 118,182 km (0.117 R)
• M2: 544,087 km (0.04 R)
• M3: 1,092,962 km (0.102 R)
• M4: 1,515,875 km (0.096 R)
• M5: 2,214,497 km (0.117 R)
• M6: 2,618,112 km (0.083 R)
• M7: 4,349,109 km (0.062 R)
• M8: 5,169,654 km (0.091 R)
• M9: 6,626,138 km (0.093 R)
• M10: 8,041,484 km (0.1 R)
• M11: 8,643,017 km (0.077 R)
• M12: 9,000,107 km (0.113 R)
• M13: 9,887,671 km (0.084 R)
• M14: 10,527,801 km (0.096 R)
• M15: 11,142,947 km (0.117 R)
• M16: 11,512,753 km (0.078 R)
• M17: 13,074,704 km (0.12 R)
• M18: 13,486,248 km (0.119 R)
• M19: 14,335,515 km (0.117 R)
• M20: 17,377,438 km (0.104 R)
• M21: 18,019,213 km (0.112 R)
• M22: 18,455,740 km (0.094 R)
• M23: 22,456,884 km (0.099 R)
• M24: 24,614,385 km (0.099 R)
• M25: 25,152,189 km (0.109 R)
• M26: 26,906,673 km (0.057 R)
• M27: 27,286,203 km (0.103 R)
• M28: 31,071,927 km (0.106 R)
• M29: 31,385,035 km (0.035 R)
• M30: 32,336,777 km (0.061 R)
• M31: 32,981,843 km (0.09 R)
• M32: 34,408,857 km (0.044 R)
• M33: 37,739,952 km (0.12 R)
• M34: 41,785,079 km (0.1 R)
• M35: 42,936,534 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.2

Radius: 5.5

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.79 AU - 9.87 AU

Year: 16032 Days

Day: 19.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,556,812 km

• M1: 73,901 km (0.1 R)
• M2: 248,332 km (0.109 R)
• M3: 429,196 km (0.109 R)
• M4: 866,770 km (0.065 R)
• M5: 1,273,975 km (0.096 R)
• M6: 1,466,807 km (0.056 R)
• M7: 2,096,016 km (0.113 R)
• M8: 2,519,976 km (0.118 R)
• M9: 2,847,296 km (0.061 R)
• M10: 10,160,239 km (0.088 R)
• M11: 10,568,641 km (0.065 R)
• M12: 15,473,506 km (0.074 R)
• M13: 23,076,220 km (0.117 R)
• M14: 23,338,913 km (0.104 R)
• M15: 29,124,910 km (0.037 R)
• M16: 43,024,198 km (0.106 R)
• M17: 44,225,918 km (0.09 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 13,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit