🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.6

Radius: 13.3

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.65 AU - 0.77 AU

Year: 413 Days

Day: 7.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 18,555,168 km

• M1: 166,502 km (0.104 R)
• M2: 590,612 km (0.074 R)
• M3: 1,228,049 km (0.119 R)
• M4: 2,258,629 km (0.045 R)
• M5: 3,872,341 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.6

Radius: 14.6

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.06 AU - 1.2 AU

Year: 829 Days

Day: 8 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,555,168 km

• M1: 181,612 km (0.068 R)
• M2: 743,501 km (0.07 R)
• M3: 1,333,067 km (0.118 R)
• M4: 1,892,413 km (0.075 R)
• M5: 2,405,683 km (0.119 R)
• M6: 3,872,341 km (0.029 R)
• M7: 5,551,577 km (0.109 R)
• M8: 6,143,985 km (0.098 R)
• M9: 6,892,124 km (0.097 R)
• M10: 8,704,651 km (0.094 R)
• M11: 9,765,300 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.6

Radius: 8.7

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.02 AU - 1.56 AU

Year: 1011 Days

Day: 13.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,555,168 km

• M1: 108,458 km (0.08 R)
• M2: 539,300 km (0.114 R)
• M3: 891,005 km (0.106 R)
• M4: 1,769,593 km (0.07 R)
• M5: 2,172,311 km (0.116 R)
• M6: 2,624,695 km (0.12 R)
• M7: 3,530,959 km (0.115 R)
• M8: 4,055,897 km (0.088 R)
• M9: 4,648,006 km (0.096 R)
• M10: 5,023,347 km (0.092 R)
• M11: 5,525,547 km (0.092 R)
• M12: 6,489,406 km (0.049 R)
• M13: 6,896,611 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.5

Radius: 12.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.64 AU - 1.72 AU

Year: 1503 Days

Day: 12.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,555,168 km

• M1: 159,471 km (0.067 R)
• M2: 854,503 km (0.065 R)
• M3: 1,449,454 km (0.109 R)
• M4: 1,917,994 km (0.077 R)
• M5: 2,560,816 km (0.059 R)
• M6: 4,142,066 km (0.113 R)
• M7: 5,531,381 km (0.115 R)
• M8: 6,253,041 km (0.04 R)
• M9: 6,840,961 km (0.069 R)
• M10: 8,046,121 km (0.099 R)
• M11: 8,973,628 km (0.108 R)
• M12: 10,255,682 km (0.057 R)
• M13: 10,775,086 km (0.07 R)
• M14: 11,552,396 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.7

Radius: 9.1

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.9 AU - 2.36 AU

Year: 2146 Days

Day: 9.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,555,168 km

• M1: 113,246 km (0.119 R)
• M2: 448,494 km (0.094 R)
• M3: 800,199 km (0.032 R)
• M4: 1,295,368 km (0.084 R)
• M5: 1,916,199 km (0.049 R)
• M6: 2,405,534 km (0.104 R)
• M7: 2,766,962 km (0.08 R)
• M8: 3,360,417 km (0.09 R)
• M9: 5,016,615 km (0.068 R)
• M10: 5,330,471 km (0.084 R)
• M11: 7,469,571 km (0.095 R)
• M12: 8,181,956 km (0.114 R)
• M13: 8,586,319 km (0.068 R)
• M14: 9,368,118 km (0.084 R)
• M15: 10,267,500 km (0.04 R)
• M16: 11,490,762 km (0.055 R)
• M17: 12,725,842 km (0.1 R)
• M18: 13,568,377 km (0.085 R)
• M19: 13,871,762 km (0.09 R)
• M20: 16,125,005 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.6

Radius: 8.2

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.42 AU - 4.22 AU

Year: 5154 Days

Day: 14.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 18,555,168 km

• M1: 111,750 km (0.104 R)
• M2: 381,475 km (0.026 R)
• M3: 653,892 km (0.101 R)
• M4: 1,062,594 km (0.067 R)
• M5: 1,399,638 km (0.079 R)
• M6: 1,924,427 km (0.112 R)
• M7: 2,478,089 km (0.108 R)
• M8: 3,152,626 km (0.078 R)
• M9: 3,708,531 km (0.065 R)
• M10: 3,987,980 km (0.093 R)
• M11: 4,281,641 km (0.098 R)
• M12: 4,887,063 km (0.064 R)
• M13: 5,250,287 km (0.083 R)
• M14: 5,715,686 km (0.111 R)
• M15: 8,952,535 km (0.074 R)
• M16: 9,300,350 km (0.109 R)
• M17: 9,617,049 km (0.061 R)
• M18: 10,064,197 km (0.094 R)
• M19: 10,398,099 km (0.112 R)
• M20: 12,655,381 km (0.091 R)
• M21: 13,192,587 km (0.042 R)
• M22: 15,439,697 km (0.075 R)
• M23: 16,451,876 km (0.092 R)
• M24: 20,945,647 km (0.102 R)
• M25: 21,628,262 km (0.112 R)
• M26: 21,975,030 km (0.053 R)
• M27: 23,037,773 km (0.068 R)
• M28: 23,545,358 km (0.106 R)
• M29: 25,188,990 km (0.102 R)
• M30: 25,727,692 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.4

Radius: 11.1

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.06 AU - 4.96 AU

Year: 5543 Days

Day: 7 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,555,168 km

• M1: 141,819 km (0.047 R)
• M2: 545,284 km (0.103 R)
• M3: 1,192,893 km (0.081 R)
• M4: 1,734,288 km (0.032 R)
• M5: 2,858,516 km (0.025 R)
• M6: 4,454,725 km (0.114 R)
• M7: 5,582,245 km (0.119 R)
• M8: 8,576,895 km (0.049 R)
• M9: 9,499,465 km (0.115 R)
• M10: 15,041,168 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 9.5

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.24 AU - 5.98 AU

Year: 7973 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 18,555,168 km

• M1: 125,363 km (0.092 R)
• M2: 433,834 km (0.069 R)
• M3: 908,508 km (0.106 R)
• M4: 2,723,878 km (0.084 R)
• M5: 4,597,591 km (0.07 R)
• M6: 5,767,746 km (0.074 R)
• M7: 6,294,779 km (0.083 R)
• M8: 6,777,382 km (0.102 R)
• M9: 7,486,027 km (0.054 R)
• M10: 7,900,712 km (0.083 R)
• M11: 9,004,595 km (0.058 R)
• M12: 10,461,379 km (0.101 R)
• M13: 11,192,464 km (0.038 R)
• M14: 12,295,449 km (0.09 R)
• M15: 19,455,203 km (0.096 R)
• M16: 20,559,834 km (0.119 R)
• M17: 25,214,422 km (0.091 R)
• M18: 27,006,455 km (0.06 R)
• M19: 30,006,191 km (0.114 R)
• M20: 32,779,885 km (0.114 R)
• M21: 33,332,201 km (0.114 R)
• M22: 35,372,117 km (0.045 R)
• M23: 37,976,616 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.7

Radius: 4.8

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.7 AU - 8.42 AU

Year: 12948 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,555,168 km

• M1: 84,972 km (0.093 R)
• M2: 3,395,572 km (0.12 R)
• M3: 3,781,535 km (0.1 R)
• M4: 10,943,982 km (0.119 R)
• M5: 13,587,825 km (0.077 R)
• M6: 16,577,239 km (0.098 R)
• M7: 17,414,239 km (0.086 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: 539 - 12,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit