🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

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: 565.1

Radius: 13.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.62 AU - 0.8 AU

Year: 386 Days

Day: 8.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,656,455 km

• M1: 164,109 km (0.052 R)
• M2: 593,604 km (0.079 R)
• M3: 1,051,523 km (0.09 R)
• M4: 1,673,252 km (0.092 R)
• M5: 2,253,692 km (0.057 R)
• M6: 2,777,733 km (0.107 R)
• M7: 3,239,691 km (0.075 R)
• M8: 3,789,464 km (0.053 R)
• M9: 4,268,326 km (0.05 R)
• M10: 4,702,759 km (0.064 R)
• M11: 5,137,041 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.4

Radius: 14.1

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.79 AU - 1.17 AU

Year: 626 Days

Day: 14.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 18,656,455 km

• M1: 175,329 km (0.103 R)
• M2: 653,443 km (0.072 R)
• M3: 1,178,831 km (0.107 R)
• M4: 1,951,504 km (0.101 R)
• M5: 3,187,631 km (0.049 R)
• M6: 3,843,020 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.3

Radius: 8.5

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.05 AU - 1.41 AU

Year: 881 Days

Day: 7 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,656,455 km

• M1: 105,766 km (0.044 R)
• M2: 373,097 km (0.107 R)
• M3: 803,041 km (0.077 R)
• M4: 1,204,562 km (0.074 R)
• M5: 1,530,985 km (0.102 R)
• M6: 1,846,337 km (0.107 R)
• M7: 2,127,880 km (0.11 R)
• M8: 2,544,660 km (0.119 R)
• M9: 3,265,123 km (0.046 R)
• M10: 3,694,170 km (0.093 R)
• M11: 3,995,909 km (0.057 R)
• M12: 5,070,470 km (0.069 R)
• M13: 5,628,321 km (0.104 R)
• M14: 5,912,706 km (0.114 R)
• M15: 6,326,793 km (0.11 R)
• M16: 6,718,141 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450

Radius: 12.7

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.29 AU - 1.81 AU

Year: 1246 Days

Day: 8.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,656,455 km

• M1: 157,975 km (0.066 R)
• M2: 578,345 km (0.108 R)
• M3: 1,078,451 km (0.071 R)
• M4: 1,523,804 km (0.105 R)
• M5: 2,391,322 km (0.096 R)
• M6: 3,264,525 km (0.07 R)
• M7: 3,745,033 km (0.048 R)
• M8: 4,306,175 km (0.099 R)
• M9: 4,722,954 km (0.056 R)
• M10: 5,699,529 km (0.094 R)
• M11: 6,356,264 km (0.115 R)
• M12: 7,326,107 km (0.052 R)
• M13: 8,714,824 km (0.102 R)
• M14: 9,851,917 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.2

Radius: 8

Gravity: 12.47 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.49 AU - 2.45 AU

Year: 1785 Days

Day: 12.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 18,656,455 km

• M1: 99,483 km (0.107 R)
• M2: 463,604 km (0.027 R)
• M3: 740,809 km (0.117 R)
• M4: 1,147,416 km (0.087 R)
• M5: 1,444,068 km (0.11 R)
• M6: 1,923,829 km (0.109 R)
• M7: 2,478,986 km (0.032 R)
• M8: 2,920,599 km (0.041 R)
• M9: 4,092,399 km (0.116 R)
• M10: 4,484,346 km (0.063 R)
• M11: 4,794,462 km (0.09 R)
• M12: 6,231,499 km (0.066 R)
• M13: 7,159,156 km (0.092 R)
• M14: 7,758,146 km (0.04 R)
• M15: 9,252,778 km (0.084 R)
• M16: 9,519,361 km (0.096 R)
• M17: 9,928,811 km (0.045 R)
• M18: 10,279,019 km (0.089 R)
• M19: 10,528,997 km (0.051 R)
• M20: 11,228,218 km (0.072 R)
• M21: 11,762,881 km (0.102 R)
• M22: 12,841,930 km (0.12 R)
• M23: 13,725,754 km (0.115 R)
• M24: 15,380,755 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.5

Radius: 12.8

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.41 AU - 2.53 AU

Year: 2506 Days

Day: 5.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,656,455 km

• M1: 159,172 km (0.077 R)
• M2: 603,777 km (0.103 R)
• M3: 1,447,060 km (0.066 R)
• M4: 2,736,743 km (0.12 R)
• M5: 4,036,001 km (0.112 R)
• M6: 5,279,608 km (0.03 R)
• M7: 5,923,178 km (0.109 R)
• M8: 6,882,100 km (0.078 R)
• M9: 9,287,933 km (0.116 R)
• M10: 12,340,478 km (0.116 R)
• M11: 16,324,419 km (0.077 R)
• M12: 16,971,729 km (0.075 R)
• M13: 19,854,629 km (0.058 R)
• M14: 20,717,061 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.7

Radius: 14.9

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.67 AU - 4.13 AU

Year: 4973 Days

Day: 9.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,656,455 km

• M1: 193,280 km (0.112 R)
• M2: 1,055,413 km (0.079 R)
• M3: 1,828,535 km (0.092 R)
• M4: 4,398,776 km (0.027 R)
• M5: 4,960,965 km (0.092 R)
• M6: 6,199,934 km (0.056 R)
• M7: 7,780,884 km (0.11 R)
• M8: 9,042,294 km (0.113 R)
• M9: 9,701,272 km (0.039 R)
• M10: 15,594,680 km (0.104 R)
• M11: 16,123,958 km (0.066 R)
• M12: 18,688,813 km (0.116 R)
• M13: 19,488,414 km (0.104 R)
• M14: 20,871,596 km (0.106 R)
• M15: 26,980,574 km (0.101 R)
• M16: 28,002,328 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.3

Radius: 11.9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.16 AU - 5.26 AU

Year: 5577 Days

Day: 5.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 18,656,455 km

• M1: 152,291 km (0.068 R)
• M2: 1,076,057 km (0.03 R)
• M3: 1,562,550 km (0.089 R)
• M4: 1,942,828 km (0.058 R)
• M5: 2,748,711 km (0.063 R)
• M6: 3,290,555 km (0.117 R)
• M7: 4,589,812 km (0.115 R)
• M8: 6,016,378 km (0.115 R)
• M9: 6,763,918 km (0.102 R)
• M10: 7,248,765 km (0.103 R)
• M11: 10,478,433 km (0.11 R)
• M12: 11,367,493 km (0.11 R)
• M13: 12,613,045 km (0.103 R)
• M14: 13,947,458 km (0.114 R)
• M15: 14,734,792 km (0.056 R)
• M16: 17,790,179 km (0.054 R)
• M17: 18,515,130 km (0.11 R)
• M18: 22,061,048 km (0.107 R)
• M19: 24,635,029 km (0.101 R)
• M20: 28,104,054 km (0.098 R)
• M21: 32,272,599 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.6

Radius: 5.7

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.45 AU - 8.21 AU

Year: 12814 Days

Day: 19.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,656,455 km

• M1: 74,051 km (0.101 R)
• M2: 557,850 km (0.104 R)
• M3: 2,284,359 km (0.099 R)
• M4: 2,580,114 km (0.069 R)
• M5: 2,965,030 km (0.096 R)
• M6: 3,352,339 km (0.039 R)
• M7: 5,487,399 km (0.1 R)
• M8: 8,856,792 km (0.049 R)
• M9: 9,984,611 km (0.106 R)
• M10: 13,306,132 km (0.117 R)
• M11: 15,606,499 km (0.064 R)
• M12: 18,378,996 km (0.117 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 19,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit